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I HAD A THREE
PAY PASS, SO I
THOT I'D CLEAN
'ER WHEN I
01' Davy Crockett was quite a guy. He built up a reputation as a top-
notch woodsman and a crack shot, and in those days you could only build
a reputation one way-by performance. 01' Davy delivered the goods.
Of course, some of his pals might have been stretching the truth just
a little bit when they claimed he killed himself a b'ar when he was only
three years old. It might be hard to say just how old he was when he
threw down on old Bruin for the first time, but he sure killed a lot of
em after that. And it didn't matter if it was a four-legged or two-legged
varmint that tangled with him-he knew there was only one way of taking
care of 'em. He knew he had to have good weapons, in good condition,
and with a good man behind them.
Talking wouldn't do it. The only way men like Davy Crockett knew
they were going to have meat on the table-and get back home to eat it-
was to know their gear and know that it would perform.
True sights-preservative oil-dry powder-clean weapon-good flint
-clean, true ammo-most of the things a frontiersman kept his mind
on are the same things a good soldier checks on today.
Just like he and his pals might have said: "It just don't make no
diffrunce"-if you're wearing a coonskin hat or a steel helmet, if you're
using a flintlock or your trusty MI, if you're riding a flop-eared jackass
or an M48-oil in the right place, cloth on the dirt, tightening and check-
ing right along, all will help .-.e ih ,. :.. ... .r rh.;:r: g:c th.: lo:b done
and get back. I
For you or for Davy Cr..:l.re P'r .- r .. rlM antirni -e I r.11 n ,;
the same thing-you'll get -:,rt.:.rnarice h-,-i he cl-ip; arc J.o 'n
1--.J uI UId l U, UI Updl Ul U UIt u j' Ullll lUl L 11 I1IIUIB 111 rUll
: tion of.or~anizational; maintenance 'hd supply personnel, ''
Distribution is'. made .through nomal- publication *channgils
Wihin liinitations of availability, older issues may be obtained :,
-direct from Preventive Maihtenance 'Agency.Ra itan Arsenal;,; :
Metuchen, New Jersey. .
; .!--N TTHIS IOSSU
FEATURECA"W.B al 2..
SBreak That .Hdra-Matic Log Jam 2
For a Gbaod Turn-Slow Down 9 .
Servicing CD-500 Filters. 10 .
A Bubble's'No Trouble With RecoilOiL -., 16
Which Recoil'Oi|j Vhe;. 18 : .
How To Alji's ij dlgh .
Ho.w ToIT6 T 4 r
-Corto ) Secti 26
,, z J -l.riingr Grenades? Get the Right Lock 34
Carbine Quick-Check 36
M33 FCS: Dis anid Data 38 .
Ordering Spare Parts--Engin42l
A Big OpiciratoriiaV Is -i
GetHep to Your Eer
""~ ~ ~~~i d +<
you find this con-
dition in the list of
ns..(First line, in this case) and after
i's:.alist:of possible causes.
..' .. .
A -lo of tines too darn.man Hyd
.: h .f w .
bfaoI'for oveihauLwhenail'theydeed to
u the : to rights .a few minutes .'.:
& V luwohe linkage adjustment
atpoceur 2n4 hand .adl^ust-
raent direcions you rid in TM 9-819A ,, n'so
D those rea -caretie ada
ec ginde idt nd 'ianss '
jue. (E C- i ,4 TM -9 i
Snie Fcourse you'ree ready forie- .e
.- ad si ifou ake this ustlikeit tells
-.'ii e -_ -also .e arad'. .e: pages .. .
X .hNTMhTishas ia iagnosis
y'tp younuiderstand' 'at the -
t -s OVOT *'-*".'.. -.'-, '2. '. :, ...eH
~fees ole*elaborate-f diagnosis'
Ievii icoie afew more and finer .
o -.' ""c.ranslissions Yo.
- -:.., .'." '. ."- '. ."-"
;2.i:-:".:.. :: .'_ :-. ,. i:.;!%3..!
., 1641. CI 623
9,.II I, 1 GI,4
I r*, 62 64, I4 .
El 2, 2B4. B6 F, FGI,2,64,11Ti,111, PI
DI6, 61. Gio2... : -- ,.
.E2, n, 12, H1II4H., 61, i, N51, SS3
I311, 115, 14,. T2 .
* *A5 1,E2, GI, Gl. K4, L5
(1, 61, 16
Al, 1B,C1; I, L3 .
2 ;K1H 516,KN7, H8 .
" 2?' -" :,: -
4 ; .G t -.
1 i. ;2 .
o, G2,.iai& 11,12,73J
(G, L4;: LS, M
* S C2 (3. d50 P1, P2, 94,4 S2
4MA RR_ n
a 411,111. 'M
I A lp
%50 '.. -N
-, .1 ........
WX-.A RI ;f
5;. ,;; ~r.
** '. ____a====MiB8 -~3s s8l VL^^
On your M-44 self-propelled how-
itzer, you've got to know its steering
behavior-backward and forward. Else
y'may be cruisin' for a bruisin'. Wich
.six wheels (perside) on the road, it
won't whip around like your cousin's
hot-rod. It's got longer turning radii
than other Jight-tank vehicles with
fewer road wheels.
SCast an.eye on the chart below and
practice judging your distances a bit,
and-..ou'll be able to negotiate a turn
without side-swiping a tree or the 01'
If y'hafta be a jerk, do your jerkin'
elsewhere. Steer with a light, steady
pressure-for slow, even turns. Avoid
sharp swerves, and you and the M44'll
both live longer, happier lives.
"Nother thing to keep in mind: When
steering in reverse, everything's bassack-
wards from forward steering-clock-
wise pressure on the handle swings you
left; counterclockwise takes you right.
""lr l /fPtl /r 10 MPH "
FROM #Ai;r 4,
AT IALI-NtUIRAL %
STEER 23 FT I
S =S. A.
Po- cscr-dW .1.
SERVICE ING CD1
.Been prying out those light tank transmission-oil-filter units-wi t ci
..or some such persuader? You'll bust up the caps. Thing to dB is'usj
'Here's the how for handling CD-500-3 filters at each C service.
LC AN -Take off the relief-valve assembly, then the nut, from end of the
filter-tube. Remove the O-ring gasket and large washer; toss away the O-ring.
Now off with the 31 washers (spacers) and 31 filter disks from the tube. Clean
all.the parts with solvent-get off all gum and grit. Drain and wipe dry with a
.. clean cloth.
Remember that the oil-cooler-filter
..: :: ."unit is similar to the main filter and gets
. -:i'the same C service treatment. The chief
difference in procedure is that before
starting. to remove this baby, y'got.to
disconnect the oil-line at the oil-cool-
er- coupling and swing it up out of .-
your way. (And cornect it, o'course,
when you're through.) Also, it's got no "
relief-valve-assembly to mess with.
-. ... ..,
14- E GOT AWAY-
V TERtF, RUST
IN THE FLINTde
Considering the training a soldier
S. gets, it's a 'wonder you'd ever have to
ell him to clean up a can. But it seems
'that some of the boys are getting care-
'less with both cans and hoses lately.
And since these cans and hoses are by
name "Oil dispenser, Ord Stock No.
Y-004-8015822'' and Filler and drain
-S"base assembly, Ord Stock No. 33-H-
'--265-500"' which are used in handling
t-i-- he poreeti6meter oil for the variable
precision resistors in the NIKE I sys-
I:-.tems, it's not a bit funny. .
W'- Why Because the slightest pollution
?'" -' of.that oil by foreign materialcan cause
i...the shorting out of the potentiometer
: wiring. At the sery best this means a
:': -"thousand.or more bucks shot in the tail.
;- -Seems. like there hab-e been cases
-where people base used the cans arid
'. hoses for liquids other than pot oil and
-I? didn't ge things cleaned up Afterwards.
SO DO THIS:
A target -you know, is .an :eh
thing particularlyy prone to-.MLYg4
seldomt aound. for- Tl'e seco di'
so-.th'e i st.- on' -had be
iSo fak'etcare of thar sight like-you do
'-yor owo Keep a focused eye-on the
bdble. Dbot scar or chip or bust the
vi~- If you do, .ou've really got trou-
W, ,'.. i; _
Shtat fording va ve on youi'vehicle's
got purpose, just like most things
fOU re failiar with. Try and use it for
'merhling 'cepr its purpose-- ou're sure
dup iU. trou be.
the fording .valve. When 'irs
it creates pressure inside.your
When' fording, this .pressure
itiPfhe ac pressure on'the out-
our' e ..' e: .
on gooa, souti grounao.. bmpe.e Youose ;.
oil aplenty. As that pressure bcildi up$"-
in our.crankcase. it pushes oil past the '"'
oil seals and piston rings. First rating you'
know the oil.ll foul your-spark plugs.- '
Eventually you'll have.an engine run- i:
ning without oil.
So, if you want to avoid trouble-,.
check that fording valve every once in '
awhile and make sure she's.open when:
she's not being used for anything 'cept
her purpose. A technical butllerin..has
been prepared to provide instructions'
for care and operation of fording valee. .
This publication will be available soon.
In case you're wanting to charge a new bartery like was said in PS Maga-
zine Issue 33 (page 18), here's some new dope to latch onto:
If you'ree fresh out of battery chargers, don't go flipping your lid, lad. A-
dry-charged barter has charged plates, and it can deliver about 75 per cent
of the battery's rated capacity-with no charging.
All you have to do with that dry
charged battery is to fill the cells to the
right level with electrolyte (1.280 spe- ..
cificgravity at 80 degrees F ). Keep your
battery and acid above 60 degrees. but
below 100 degrees F.
Let her stand 5 to 10 minutes and add 80 F
a little more electrolyte to make up for
what was absorbed by the places and
separators. Then, your barterv's ready
Now-if you're not going to use that batter), for 12 hours, you ought to- -
charge it (if you've got a charger) until the specific gravity becomes constant.
If you've got cold weather (below 0 degrees F ), you'll have to give it a
6- to 12-hour charge at a low rate to raise the specific gravity of the electrolyte
above the freezing danger point.
:0 .. ..A:
. .th U tile ihirgs Inlife. hai count
ike rying- to rurn the azimuth and
y;va'on bore-aighbing knobs on your
20Al (T35). periscopes withou'i un-
i' nR- Im first -
'After you've go the: kob se C'e here'!'
ou %n ait.'em; then pdsb the levers a aA:-
from vou to hold 'em there. -
you can make'any adjicstment
se. knobs. )bu-'ve got to release
i-leve rsby pulling 'ei toward .
One thing you gotta admit about
:.- draining the recoil mechanism on your
S field artillery piece-it's a pretty color-
ful experience. What with pastel pink
recoil oil, purple language and gunners
S turning blue in the face, it's a real gone
And if you don't chink language can
get purple and faces can get blue, just
:. wait until you bleed your recoil oil and
it comes out emulsified. 'Cause emulsi-
fled oil is even less cheerful for old
artillerymen than a plague of the pox.
As you know, oil becomes emulsified
in two different ways, or a combination
S of both. Either air (or water) gets into
the oil while you're filling the recoil
mechanism, or nitrogen leaks into the
o il past the floating piston in the
When that air, water or nitrogen gets
S turnedd up in the oil by the recoil
9 action, the oil gets bubbles, foam and a
^'1, __ __ .
change of color. So when it's bled .. :.sifed, yes. But the chances are your Now, the chances are the drained oil
it may look more liki: a strawberry soda piece is still in good working order. will not look like Fig I. That's new oil
tha0 recoil oil. O ho! You say. But how're we gonna that hasn't been jiggled-yet.
But here's the good newsl"Bu'bl- -,. know for sure? If your sample oil looks like Fig 2,
bles, foam and a change of.color-lpdyur Easy. Just follow this outline and with approximately 10 per cent foam on
spec MIL-0-5606- (Pink LadyI dojn.t-. chaat: First make sure the temperature the top and just slightly discolored, it's
necessarily mean your oil and me an- of the oil is normal,say between + 650F normal and par for the course.
ism are unseniceable! Your oil is ei-ul- to 90aF. Then- If it looks like Fig 3, with up to 40
per cent foam, and there was no
1$WIDv.V sputtering after the index re-
ceded, your oil and mechanism are
still in good shape.
Even if your sample shows from 60
to 80 per cent foam, your mechanism is
all right as long as there vwas no sputter-
ing after the index receded.
Bur, if it looks like Fig 4. with about
90 per cent foam, your oil is about ready
for the sewer and you should have
Ordnance give your mechanism the
once-over. But in a critical field sirua-
Sion, it wouldn't be dangerous to fire the
i weapon as long as it was functioning
A -.-. --
S 8 ft er'-- f e"sii dex. rperarnres- Orn a ouEg't'
t.- receded. call Ordnance. Chances erratic recoil action.' "-:
.-.are-.too much nitrogen is slipping Now, about the only thing lej' f
:.past the floating piston. decided is how the oil got emulsifie
J.-Jist a coupla.orher things to keep in If you're certain no air or moisture ei
-ind. Even though your oil and mech- rered when you filled the mechanist
.anism come our OK, keep a close eye on it's safe to bet that nitrogen's leakii
*."he recoil and counter-recoil action the past the floating piston. But as long'
next time you fire the piece. Your TMll
L- -* *-------------* ---------- .- IP-l Y-Eul.muiL
Sth't.havd' worry' about it. -- .
-'When Vour oil does go bad, Ordnance
w'ill take-over from there-and check
,,our mechanism. So keep your oil free
:ofair,-waier and muck, and Ordnance
will take care of the rest.
I'f-you have green oil or mixed oil in
ro:uc mechanism and yourwani to gise
test routine.. But thezie-sults, woit. I-be.:
the.same. However, if just a little foami'-"I
shows up in your sample; the.chances "
are your oil is'still ready for action.-
Keep an eye on the recoil action. As long ";
as the recoil and counter-recoil are ."'
smooth, your mechanism and oil are. .
':.This Chart and the Weather'll Tell Ya'...
WHICH RECOIL OIL TO USE!!!.
Keeping the right oil in your recoil
mechanisms is simple enough when
you've got the oil the LO's call for.. V 1 -5
SWhen you hby.epc'r4tP'i.wejlI,: that's a
h orsepd,a i problem of., a o fI. color.
This ch ;llu.d yu od.ir.' f wep and
how you can mix yoIs shou1d,thbe
a I ,-,, .
"-, N "
Use in all hydropneumolcl recoil
mechanisms at lil temperatures.
Do not use in
Not used in AAA hydropneumatic
recoil mechanisms. However,
counterrecoil bulfers on the 90-mm
and 120-mm guns, only. use .
down to -20 degrees F Below
-20 degrees F use red oil.-
Nole-75-mm cournerrecoil bunfer
uses red oil at all temperatures.
SYou'll iee this in'a. changed-
iB Ord 586..
. ... -. j- 9., 7 .;- -.
READING 'EM RIGHT?
There's one way to get a true oil
level reading on your tank's A41-2
(Detroit Diesel) auxiliary engine.
First-make sure your buggy's level.
Then unscrew the filler cap, take out
the dip stick and wipe it with a clean
cloth. Put the stick back into the filler
tube-with the cap just resting
on top of the tube opening.Now
"j kw n -
pull out the stick and you'll get a true
Screwing the cap down on the
threads for the check'll give ,ou a bum
steer-show the lube level higher than
it actually is. And then y'go merrily on
your way. leaving Li'l Joe hurrin'-for
squirtin'. Tch! Tch!
a good way to foul up spark plugs, get
you excess carbon build-up, general
loss of power. etc.
So-take a squint at Joe's crankcase
at each "A" service, and keep 'er filled
to the FULL mark on the stick. But
remember-you can overdo it. You'll
be seeing this dope in the revised TM's.
Some drivers are taking off in their
tanks with their Li'I Joe leads dan-
gling loose, unaware that the positive
cable is hot when the master switch
Leaving 'em dangle is real danger-
ous, 'cause one little spark from the hot
cable can cause a big fire.
If Li'l Joe has been removed and
the leads are loose you better tape up
their ends. This'll keep any stray sparks
from igniting loose gas or oil which
may be around. So to prevent your or
your tank's doom, see if the leads have .
been left off Li'l Joe before taking off.
Your future TM's will have this dope
And take it easy on that 611-up, too. M
The crankcase should have about 3!',
quarts-so don't go sloshing in 4 quarts
or more and assuming all's well.
O'erfilling allows oil to be pulled
into the intake system through the
crankcase ventilaring s.stem-which is
.-MV .. .4 W :...
FOGBE !%T54lii\ --
'M L~~- ''iU
HEAVLIG T; WHEN
YOU'LL CET THE
FIRST DRIVE YO
.50 rrS, LIC4'415 A
FEET FROM THE
THE VEHICLE SC
.PARALLEL TO 7
DRAW A LINE F
OF T4E VEMICL
- TO THE
IN FRONT OF0
rwIE oISrANCE OF YOUR
L LIC f4T' TO GROUNt.
DISTANCE FROM CENTER
OF HEADLIGHT 10 GROUND
DIVIDED BY 1/12
TURN ON 7149
YOU AIM THE
4 .4 -DAl
IF T7JEV'RE OFF$ ADJUST
SY TURNIN& SCREV.4
NEXT 70 ESAC LISHT.
FbM FOR 7 SPECIFIC sdOpscaucDj i VRY
N VUW TRUCK, SEE THyE
TM FOR TWAT TRUCK USE SOME REAVIN' COMI
FOR A'FE14JSIPE- MATTER UP T14ER23 144
rL''r-.. -L.I:. ~-:' ~;
sli -I-~i .- -C;15. li~. ~L~:
- 26 -
S OS CoIJNJA
V. W.11 ---------
ID)I' i E
DEEP Is~ ~
TO GO Q~E
RE IN IN
FPLAYIeS N wouLG e REIN-
FO1CEO TOO...TWISCLL KEEP
GETTING 5E14ED. A 'R
'10t, S;EEE, JOE? COING IT TwE AIN'T A PEACE
RI6Imr WAY 6AVEw YOUR FUL CITIZEN CAN PINO TO
CLUTCW4ES YOUR MUSCLE- MEDITATE NO MORE r
AND 77mr sME
What stock number can ue use to
get hotter spark plugs for our a142
/i -ton command trucks? li"e do lots of
idling on these trucks to use our radios.
and the H004-7'524258 plugs keep foul-
IVOJG L. M. DeS.
An oil leak in the traversing mechan-
ism of our1 41A1 tank is slowly drit ing
us mad. It leak around the commander's
control-lever behind the hand-uheel as-
sembly. We have to keep mopping up
every time we operate. What gives?
Sgt H. A. L.
Dear Mister L. M. DeS.. Dear Sgt H. A. L.,
You can draw the optional plug When that oil gets warmed up it cre-
listed in your Ord 7 SNL G-741 (Nov acres air pressure and something's got to
1953) on page 17, the second line item give. So your oil seeps through the as-
on the page-Ord Stock No. H004- sembly. Some GAA grease around the
8357724: or Ord Part No. 8357'24. shaft will give you some relief. In the
SThis is a hotter plug. meantime, watch for a modification .
These plugs are listed as "optional" work order which is on the way to fix
for the M42, 137, M38A1 and M34. things up.
Thiey are not optional for the M38 and .Ii-. .
M135. However, if you have a well- M '
worn engine which is fouling plugs and
you can't get it changed, your Ord-
nance unit can authorize a set of the
hot plugs for these vehicles too, pend- ..DearJfalf-t-ast, ..
ing a new engine. Our M416 and ,1147 tanks have the
compensating-idler-u-heels between the
sprocket and rear road-wheel. There's a
stop mounted on the idler-arm-housing.
tq :: 1
7 ~ ~ l~ r rl
SURE I LUSE REGiULAR,
TIS THE ACCURSED
~i;~4ard :enough to hit the road-wheel.
rThe stops on both sides look like tley.
do.the same job, but they're not the same
shape. One on the left side's rectangular;
'o the right side it's triangle-shaped.
Ae'pr these two parts interchangeable?
S/I gt S.L.G.
`Dear S/Sgt S.L.G..
-- .They do the same job on both sides,
l1-An h _h.., rh.k,
IL-JI'll~~~~ ot l*i^^ 1t ch> iff/f rraf i~*i
fititigs -y'sbould' fjnd '4plu':
. r nJ e g- a''
,-able. That's why the shape's diferei-- marked on the head: NYLON. DQ.. ',4
:to help you tell 'em apart. NOT GREASE.
So-o-o should y'bust off a stop,- o
idle l- in hae to replace a retainer for some other.,ies11
way ty reason-ycou'll anota take care to order-'.;
R4 it right. Rightand 30
SThe stop ispart o the compensating- Settle a bet or me. please. I say h al .
--idler- heel-arm -retainer. Here's the your 14-mm spar plugs in the h-serieg.
.., they come: trucks hae got to be torque up !o be-u -,e-
If yr b s gtuen 25 and 3 0 foot-pounds. A buddy.'
needle-bearings ( is of. min e says no-that these plugs an e
h- supposed to be pur in snugly, .'cause.if- -
S. plugs is, abtutorque on'em thegap
S. sting'll change.-.
B N Z102 Hon about helping me collect?
SFC C. M. F.
1-1 idr Dear SFC C. Mi. F.,
Start collecting-you win, You ca'.'.-
put 25 to 30 foot-pounds on your 14-rmm.
~,~u spark plugs without the gap changing.
..This serving won'rchange until )'ou gei?;.:,
... If your bugg)'s got the idler-arm up to between 50 and .55 foot-pounds.:
needle-bearings (710257),Jishould also Then, the plug starts to twist and,._ie
i'+hav'eagrease-firringon the arm-support- gap gets wider. The breaking pnt
"housing. If it's one what's got the these.plugs is. about 75 for-pounds,:.
30 -:',. : .
xLhn1ihcs;y'Yodiil notice that most truck
I' don't 'give-orque settings for
.iugs. s.- y? It'ssimple-a lot of ourffts
-, a.-dont have torque wrenches and some
p-;..plu.gs are in mighty awkward places.
:So, if you have a torque wrench, get
-'-it our and start torquing. Go as high as
-30 foot-pounds for 14-mm, but not
o.-ver. If you don't have one, follow the
instructions in your TM.
f. For more info on torquing-and
spark plugs in general-see TB Ord 313.
I s Ordnance responsible for mainlen-
ance and supply support of those battery
bargers listed in SB 9-1 (12-Nov 54)?
-*-- if the 17-C-9635 charger is a mission
Site of Engineers, and Ordnance issues
nt, who maintains it?
S" Capt G. IF. G.
Dear Capt G. WiC. G.,
:: .That charger is no longer a 17-C-9635
S-charger. SR 700-51-131, page 13, item
:'l-"*:48 changed that.
':.:It's now the Engineers' baby. They
~'. "1call'i. a Charger, battery, portable, skid
,-: ed, gasoli: e driven, 15-volts,
w/carrying case. The-Engineer Stack:-
No. is 17-2807.200.550. .
It's listed in the supply manuals as
Category of Issue Code 8 with Spare. :
Parts Support Code V.
Code 8 means that items are the logis-"
tical responsibi lin of the Corps of Engi- .
neers and are parts of a set, kit or"
assemblage of another technical service..'
In the case. of this charger, the initial '
issue is made by Ordnance but when you ::
need replacement parts, you get them.
from the Engineers.
Code V in this case means you can get" '
certain parts while they last. Aftei- '
they're gone no new part will be stocked.
This charger is nonstandard and spare
parts are no longer made. If you need
spare parts you'll have to get them by'..
local procurement, fabrication or:
What's the poop on the oil-filter
breather-assembly on the Fageol F-32-F4
bus? Seems that the oil overflows. an J
runs out whey the engihi4's running a
the breather is filled to the oil-level in
the filler-cup. What gives?
Sgt R. S. T.
Dear SgtR. S. T.,
A change gives. Lip to now the
breather-assembly has been filled with
.oil. As the oil got hot, it expanded-and
That's all changed now. You get bet-
ter crankcase ventilation with just a thin
film of oil on the filler-element. And
There's no loss of breather-filler efficient -
c); -and no overflow.
Here's how to make the changeover:
i Drain all the old oil our of the
assembly. Remove the filler-element
S- and clean it with volatile mineral
spirits. (Eng Stock No. 52-78'9.700.-
: 700).Makesureall theoldoil iscleaned
[5 off the element. Then, dip the element
Sin OE10, drain thoroughly and put it
back into the assembly. A TB ill be
published on this.
So you won't forget, type the change-
S over instructions out and tape them to
T.M1 9-819A says to use oil, lubricat-
ing, light (LO) when lubing the brake-
pou'er-unit of the 2-ton, 6x6, 311135
or 11211. LO 9-819A says to use oil,
hydraulic, petroleum base (OHA) for
the same purpose. IW'hat's correct?
Lt Col L. R. 11V.
Dear Colonel L. R. \.,
Well, Sir You're right as far as TM
9-819A and LO 9-819A are concerned.
But soon there isn't going to be any
LO 9-819A. The whole thing has been
...- -. ..
The new lube order for the M135
Sand M21 1, wbich'll go under the title
of LO 9-8024, tells you to use OHC (oil,
e.- preservative, hydraulic equipment) in
the outside of the assembly. Or, if you \our brake-power-unit. This is the
want a decal giving these instructions, gospel. OHC contains preservative
write the Twin Coach Service Division, qualities which OHA (oil, hydraulic.
. Kent, Ohio, for Part Number A-15346. petroleum) doesn't.
No-.. o answer your question about
the apparent mixup in TM 9-819Aand
LO-9-819A. TM 9-819A, dated Juls
1951, doesn't lay down any specific oil
to use when lubing the brake-power-
Sunits of the M135 and M211. LO is a
general classification for any lubricat-
Before LO 9-819A came out in Ocro-
ber 1952, any light lubricating oil could
be used in the brake-power-unit as long
as it had a petroleum base LO 9-819A
gave you a specific oil to use. This was
Now, of course, the oil you'll be using
in your brake-power-units is OHC.
POWER PACK IN-OR OUT?
makes.pulling plugs a lot easier-'spe-.
cialls on medium Tanks.
;,LUGf t W A -41;W.0297-K
But on those light tanks--with the oil
coolers overhead-it'd still take some-
thing of a contortionist to get the plugs
out with the power pack in. Most
Dear Half-Mast, people find it best to pull the pack and
I Ve've been getting some of the get an open shot at the plugs-even
light tank series (.142's, M141's, ,fI's) with the new persuader.
and ran across some fouled plugs and
T.1 9-761A says that the 1142 carbs
can be removed without pulling the
power pack. But ue found u-c has e to
pull it, in order to get at 'em. Same i
with the spark plugs.
Are there any special tools in the
system uhich permit performing these On carb removal, the power unit :
operations with the engine in the must come out-'specially for making
vehicle? the linkage adjustments. You'll see the-
.Mr. J. F. .\1. correction in the new TM 9-7218, when
Dear Mr. J. F. M., it's ready.
The new double-end tubular plug
wrench, Ord Stock No. 41-W-3297-50,
S (there's a modified version on the way) )
HOLD YOUR FIRE!
SBefore you stick that grenade on your
SMiA2 or M7A3 launcher, better make
7 -sure you've got the right gas-cylinder
-" lock on your rifle. If you haven't,
.:'chances are your rifle will get roughed
tiup worse than the target.
have a chamfer on the front fare.of.t-Ac
upper half'of the lock like-the old Eype
If your gas-cylinderlock has.-nhe"
a head nor an "M" on it, don't fire-any-
grenades. It'll burr your muzzle.- -If
you're supposed to be carrying; af
launcher, trade your old lock in for che-
right kind. If you're just firing for pra.c-
tice, borrow the right lock fromabudd. y~
Could be that your lock has an 'H"-'
stamped on it. This means that it has
been hardened, but it still isn't to be.
used with the M7A2 or A3.
S They're only two types of gas-cylin-
Sder locks to be used on the M I rifle
*when firing grenades nith the MN'A2
Sor M7A3. You were supposed to get one
or the other when you were issued your
One of 'em (Ord Stock No. B021-
S7265871) has a big boss or hump on
its head. The other one (Ord Stock No.
51B0f21-7265959) has an "MN" stamped
on it for easy recognition. 'It doesn't
T Ga '
Just one more thing. Take out your
gas-cylinder-lock screw for a fast look.
If it has a valve-assembly, you're cook-
ing with gas. If it's the solid-t-pe plug
with no valve, hold
over to supply and trr
gas-cylinder lock w
Stock No. B021-"31
all ready to blast aw
By the way, that
launcher and leaf sigh
2 of FM 23-30 and TB
1, 2 and 3, is still u
and won't be availab
carry on, man, carry
II I I"~C~i~
ade it in for Screw,
/valve, assy, Ord
0079. And you're
ay at the country-
new-ti pe grenade
t shown in Change
IOrd 404, changes
le for a while. So
S NIX ON THESE ...to keep your carbine..
READY FOR THE FIRING LINE :
-- -: .f
.* '.~ 'S;L~~;~
r ~: lr5
m7 i r
Z,- t '-
MAlen who kno rhthose trailers best say these are the safe maximum speeds % hen
i.ou're heaving an M242 trailer:
Highway Strargh Rood 40-MPH
Highway Passing o.he ehiles 35-MPH
Highway 300 ft radius Cure 30 MPH
hgnH wa 250inU in radiui rure i5MPH
Highway h~arp orni 10-MPH
Secondoiy Slroighl road crowned 35 MPH -
Send ery Passing oal n vehorle 30 MPH
Se dor narf 300 I radius curve 2-M I
Secondary -. 250 ft rdilu rurve 21-MPH
a-rountry Straighl. lal 15-MPH
Shorp iurnms I "p
C[oss perpenlirular Io
check for bdii r- '4
tordaoge clearaone .
*^,'^.wrn4FAskslen$u!qtsurnsl'l 8'* llOr'u .d,4Ies ,n t..in .,'*.
-an -" *,'E
p rahS rurns
i-MPH" .o ii
. .10-MH -
750 300 ". rodiu cuner
ISPUTTERIN' PONY ENGINE
I'm a D1 operator and hare a lot of
trouble u.-ith water getting in the pony
engine's gas tank. I have to drain the
gas every three or four days. It's a
bother and a waste. II"hat's urong?
PFC A. C.
Dear PFC A. C.,
Look to iour gasoline storage set-up
first. Two to one you're feeding your
pony from drums that get stored out-
doors and aren't tightly sealed. They
can easily gather enough rain water to
foul up the gasoline. Take a look at para
83 in TM 5-505 for all the dope on stor-
ing and handling fuel.
FIR EMOV GAS TANK AND DRAIN.
.it COMPLEaTLY. TH15 A mJOB FOR
.",'YOUiR ORGANIZATIONAL MEclAl_ ITi'S
S A bDG D IDEA TO STRAIN TH.l.GAS
.';EA T-IME Y1 FILL YOUIi ONYS
*- dE'WAlON GAS IANKU-
ki`tGtfOFAsiJ STMRAINFa CLOTH
AMlo l2o DMHCi -10 SQUARE
,'. ..= -" "
.i N l l -l ;WAT AC
'A la ,t BRVONTAjNEIW"ENYU Y : .
Ai,~TUV A A1JN ,R.. ".
.: ai, ,'ta I A.N.: o T ,
,. .. _;- .'. .
And, by the way, here's another tip
that'll help a starting engine give better
senrice: Always stop a pony engine by
shutting off the fuel at the rank-line
fuel-valve. After the engine burns all
the fuel in the carburetor, then turn off
the ignition switch. This way gasoline
(that remains in the fuel system) won't
run into the engine where it can wash
oil off the cylinder walls, foul-up the
spark plugs and dilute the crankcase.
You ought to keep the gas tank as
nearly full as possible at all times. It'll
cut down the amount of sweat (conden-
sation) that collects in the tank's empty
areas when the engine's idle. Draining
the tank's sediment bowl at the weekly
maintenance check usually gets rid of
the normal amount of sweat that does
SA heavy equipment operator or me-
chanic, like anyone else, can spend his
leisure according to-his wife's pleasure
-as a big shot, a small shot, in baggy
pants or gabardine slacks. But once on
the job, be's strictly in the VIP (Very Im-
portant Person) class, coveralls and all.
price of only one major assembly in a
piece of equipment can easily pay for
a new Cadillac.
He's a man of distinction-and how.
Everytime he turns a switch, pulls a
lever or lowers a boom he's responsible
for tons and tons of precision-engineered
power-equipment. It's the stuff used
when thingshavetobedone inabigway.
To care for and feed those big babies
proper-like a man's gotta have special
training and cool common sense to
match the power and speed he's respon-
On duty he's responsible for the
care and protection of more taxpayer's
dough than an average crowd can scrape
together in a lifetime.
Examples: An average piece of heavy
machinery costs more than most people
will ever spend on automobiles. The
al ialioeAr, Br drC'eern nmd cB 500C 4 pr 55, 5 a S n'raia.-' CorniMltated ni 854 GIrnelor L. Inr'amat"on 'a
t l DIAtrlbu r, bitumlnos mautrial, KleoscDo.lIO, R"laa i iai e -' s l er p .,. i
r e lBarMad r a55 -5 E B .1w na SCrcit w ii. i ,. ainag i I-B E ll 30,-KW, n obarn mad
e. rI l L"5 Lu.ber r-tatllm ina ia ratr'5t *. Orijn WCn 5 j ENi1. -! 51 i G rader, rus dVa ij l 4rda- -0
I-4 t ai wel, TheWliM a ri od E Msr662 8- M icH t;lr en rkh 5 F Z 1 GrAler, roa, a ti- r.
D ril pn,;hlelt Pimu. lyPe 27-412 1dli-4i l. CrA l,.A allable,. opesr air. chl P mod "
.3. p ,Tractor, Ma d per C t .-rnad.aCr UItt Mu. rsu' r. r Dt r Ap r 55e,
I ..L LO W & M Ci l- Ud nor PA, 'r &a IE1N SM I, Ct1 Es lnda iumll billd M-'0
B vP.on r ..,IF "sari.. ".0 2. i T t 5 ?APr b..
5|, 11A t nra r' O WS E 1013-1 Grader, mi1d;, 1.
.&s&;R(,) 17 Mat 55 0C:rs 7"4 : 6
r"'0.- n l vlTh 4.lln i mod E6620 i l c t IM 1o2oll -?5 Feb WS SE 10 7-1 Grider; rdad; A rtil jg1r l.1 -.
T n 55. "r if b&'r.d 31 r
S. .. ,- ," Mar 5 ... !!v
me ... tri. '--B r. -- -iNGMII-1 .Tra ar,-ill G ;' r, "
[. d, ;C 42,._ ._i
... .. ..,, -. ., ... i -: .. : ... .,-,n[ .::,. .
'Close' Just Doesn't
Count When You're-
XX hen your best buddy tells ou he's
going to fix you up with a well-sracked
redhead and then turns up A ith 3 brun.
erte-are you disappointed? Probably
not. just as long as there's no lacking
on the stacking on the chassis he pro-
duces. As long as the measurements and
statistics are the same, nobody y's gonna
kick about the color of the babe's hair.
4 3rTH 2Et c-AC'
Well. it's the same "way when you
order spare parts for Lour equipment.
You've got to get the right part for the
right job-and the best wa. to do that
is to make sure iou requisition bh the
correct parr number.
Part numbers have been causing
plenty of confusion when it comes to
ordering clutch drive links for Cater-
pillar D7's and D8's. There're three
different numbers for this part and it's
important that iou match 'em up with
the serial number of the piece of equip-
ment you're concerned with.
The original part number was
2A1025 for D"'s with serial numbers
up to and including 3T12822 and for
D8's with serial numbers up to and in-
For D"'s with serial numbers begin-
ning at 3T12823 and including
3T15322, and for D8's whose serial
numbers are berween 2i10602 and
2U13i0"0 inclusive. you'll need part
number 6F3019 to replace the clutch
drive links. This part'll also fit the early
On the very latest models-that's
3T15323 and up for the D's. and
2i 13071 and up for the D8's-dhe Part
No. is 9F3358. That's the only one
that'll fit the new models. This part,
however, is interchangeable on all
models, so you'd be way ahead to order
Part No. 9F3358 when you're gonna
replace the clutch drive links on any D7
TB ENG 170 (For the Air Force
that's TO 19-75Aj-165) gives you this
dope, but here's a later breakdown on
the model, tractor serial number range
and the part you can use on all types of
Better check your unit stocks today.
Some units are servicin' the newer
models with the old type link. When
you requisition this part, might as well
get the one that'll fit all models. Remem-
ber, that's Part No. 9F3358.
SPARE PA lS SPEElIP
Ordering Engineer spare parts with-
out all the information on the requisi-
tion is just like meeting a blind date on
a busy corner at the evening rush hour.
It's hard to tell what you'll get or how
long you'll have to wait.
You'll.do yourself a favor, as well as
help the people who fill your requisi-
tions, by giving 'em all the information
you can. One thing a lotta people forget
to do when they order parts is give the
make, model and serial number of the
Put this dope on all your requisitions
from here on in-and see if you don't
get those parts a lot quicker.
WT ivJY,- 1S
Better thru:" i check on those Model
460 winterization heaters made by the
Perfection Stove Company (Now Per-
fection Industries, Inc.)
Some of 'em don't ignite right-it's
all because the igniter (Part No. B1613-
G2) is out of line with the wick. Take
a look at Fig 1. You can see that the
igniter is not located right, and the
heater-element is standing at a right
angle to the wick.
Now, shift your eyeballs to a shot of
the bottom of 'the burner (Fig 2).
Eve r thing seems to be in order, but the
locator pin on the base oi the igniter is
out of place. That's hat', causing the
heater-element to stand n aa from the
That doi"el. or locator-pin. ought to
be in the position like the one in Fig 3.
Ai a field espedien, all iou do is turn
the igniter-asscmibl to the right posi-
tion and grind off the locator-pin. Get
the igniter set right, tighten the clamp-
nut that holds the igniter in the burner.
Be sure and drop the pot it the btrom
ot the heater then .ou rpcposition the
igniter. You'\c goi to d,, this to make
uure she's lined up.
\'hen you'ree through, the top o:f the
burner'll look like Fig -. Notice ho"'
the heater-element lines up with the
And -if you're worrying about the
igniter slipping out of position, you
Needn't if iou appl) a little pressure
when .\ou tighten the clamp-nut hold-
ing the igniter in the burner. Oneof the
bo)s in the shop couldn't budge the
igniter n ith a p.ar ol 0lin pliers after
tightening the clamp-nur.
Just to be extra sure. and the first
tnnie iou get a chance. h..\e your shop
replace the locaror-pin so it'll fit the slot.
In the meantime, your heater'll be all
set for cold weather if you'll just clip
off the dowel and turn the igniter so
,it's in the right position.
ObLN:L4 GAO.. f-Ji tt r ui-~~pU~a~~Ucot~un
IlePYWkL M gnf~fit- ~o'bl
ord 9 SHL F-207 Vl 7 System, remote contr,
M6A2, Feb 55
Ord 9 SNL F-235 Vol 13 'Scope, M86F, Apr 55
rd 9 SL F-245 Setter, use, M14, Apr 55
Ord 8 SNL F-344 Mt, 'scope, M87A1, Mar 55
Ord 7 SNL F-348 Thermometer, powd, temp, M1
and MIA1, Apr 55
Ord 9 SHL F-359 Sec 2 Drive, ball, T24, T24E2,
Ord SNL F-386 Computer, ball, T31, Apr 55
Ord 8 SNL 0-249 Vol 38 WInteriz equip for
shelter person for trk, cargo, 2-1/2-ton, 6x6,
M34, M35, MS135, M211, Mar 55
Ord 8 SNL G-249 Vol 54 Wlnteriz equip for gun,
twin, 40.mm, sp, M42 (1141), Feb 55
Ord 7 SNL 6-253 Gun, twin, 40-mm, sp, M42
(T141), Mar 55
Ord 7 SNL G-740 Truck, utll 1/4-ton 4x4 M38,
Ord 8 SNL G-740 Truck, ut11 1/4-ton 4x4 M3,
Ord 5 SNL H-1 Standard hardware, Mar 55
Ord 5 SHL H-17 Brake lining kits curtains,
paullns, "V" belts, mise mat, Mar 55
Ord 6 SHL 1-7 Sec 1 Tool set, organz maint
21 ch) set No. I comm (41-T-3538850),
Ord 6 SNL .7 Sec Tool set, organlz maint (2d
echelon), set No. 9, gnd anch (41-T-3545-18),
Ord 6 SNL J-7 Sec 13 Tool set, organic maint
rocket btry (762-mm) (5180-0-17033), Apr 5S
Ord B SNL J-7 Sec 9 Tool set, organize meant
2dr echl), set No. 7, hoist, tow 41-T-3545-16),
Ord C SNL J-8 See 2 Tool set, field maint ord
coil pt co. (41-T-3537-40), Mar 55
Ord 6 SNL J-. Sec 3 Shop set field maint
lksmllth (41-S-2990-165), Apr 55
Ord 6 SHL J-8 Sec 6 Field malnt tool sets for
shop set, small arms, field maint (41-S-2990-
300), Apr 55
Ord 6 SHL J-S Sec 34 Tool set, ord rt sup unit
(762-mm) (5180-00-17034), Apr 55
Ord 6 SHL 1-10 Sec 25 Tool kit: organize mint,
rkt mach (762-mm) (5180034-8472), Mar 55
Ord 6 SNL J-10 Sec 26 Tool kit: guided miss
repairman (NIKE) (5180-00-17049), Apr 55
Ord 9 SNL J-10 Sec 27 Tool set: guided miss
elec comp repairman (NIKE) (5180-00-17050),
THIAR:5 A PASSEL O'
THC-IEE BOOKS BACiK
JMT THE FORT...
ord 6 SNL J-16 Sc 25 Tool sets, field, dep Ord 7-8 SHL 1-198 Grinder, elect; 1/2np, 115-v
mant for: trucks, -o 6x6 ok d unlv curry, whl size 6-in (Albertson mod 1
Ward La France, Corbltt, White omod 666, (40-G-128-8) and rilnder elec 1/2-hp, 115-.v
White mod 666E, Mar 55 unlv curry, wh size 6-in, w/stand (Ahbertson
Ord 6 SNL 1-16 Sec 39 Tool sets eld, dep mod 9115) (40-G-281-10), Ap 55
mant for: trks 2-1/2-to, 6x6 (L G1-742, -8 SnL -231 Grnder, elec port, 1/2-hp
chassis trk, M44, M45 M146 rk, cargo M34 115-0v unlv curr, whl size 6-in (Black' Decker
M35, MS6; trk, dump, M7. M9 tIrk. V18A/MT typoe tin G) (40--.12-81 and grinder, el9c: 1/2,
(Signal); ftr, foank, asolne, 1200-oal, M49; hp, US-v unlv curr, whi size 6-(n w/stand
trk, tank water, 1000gal, M50l; lrk, hone, ( lack & Decker type 6-ln G) (40-G-128-10),
V17A/MT (Signal); trk-tract M48, M27 tr Ap 55
oo rd 7-8 N 1-247 Hammer, pneu r sta 3-tn
ka, shop, M109; tr, recker, crane, M108i od78 1LJ J247 Hamme e rvet 3
tlk, wrecker, light, MbA, Apr 55 stroke, 1/2-in cap (Thor Power Tool No. 1C-30
Ord 6 SNL i-16 Sec 53 Tool sets, field dep mod 5268) (40 H-288), Apr 55
malnt for carriers; M75, M590 gun, twin, 40- ord 7-8 SNL 1-25 Hammer, pneu, rivet, 3-ln
mm, SP M42; how, O5-mm Sp, T98E1; how stroke, 1/2-in cap (Chicago neu Too od NO.
1s5-mm SP M44; tank, IA-mm gta, M41, 3 Stmp ate (40-.-288, Apr 55
M41A1; cargo, tractor M1E2, Apr 55 9 M
Ord 6 NL 1-16 Sec 64 Tool sets, field, dep type, 1/2-hp 110, 60- sl-p, w/equ
mint for Chas, semitrlr -, 2-wl, M17i and aes (Atlas Press, mod MF-, ) (40-1-38),
chass, semiltrlr 12-t, 4-whlM126 cs trr Apr 55
1/4-t, 2-wh, M115- chass, trr, 1-1/2-tM f-whl,
M1l2 o3 M103a1; dolly, trlr convert,-fo Apr 55
2.whb M197; dolly, trir convert, 8t1, 2-wh TM 9.-226 1-1/2-ton, 2-wnl car6o trailer M104
18; semitrlr, cargo, 6-tI 2.-whl M118 semi- M Ai mi cA
tr1r, cargo o t2- 4-whlt 1127; semttrIr, low M 105110 1 A153.5; l-/2-too, 2-wal m hsrslk
'tr', la.k, i:-t 14-whl 1 M031; semltrlr" er M1066, 0 M1O7A, Apr 55
rvan rgo 2whi l Ml. semltrl van TM 9-8820 5-on 4x2 tract trk 5-ton 4x2 trk
office. 1 t 2-4w3N l, M01El4tror, bolster pOtie chasls w0/cb and 5-Ion 4 ed van trk fFed
handling 3-1/2-lon, 2-whl M271; Stnoal Corps mod 45M2), Dc 54
mod d-0C GT)i trlr, bomb 2-t, 4-5l, M1143: TM W -9001-l 9-e0gree angle 1/4-ln cap unlver
trr, cbl rel., 31/2-t, 2-whl, M10 (n current 110-v port elect drill (Chicago pneu
Corps mod K37B); tr1r, cargo, 1/4.t, 2-whl, tool mod 8000DA-1875) (40.-0330), Mar 55
M0 tr g 3/, 2-Iw, 11; TM 9-9036-4 Sgle-ph 60 cy 110-v 1/4 HP bench
cargo .-1/2-t 2-whl, M104, MI04A1, M105A1; grnd w/btwst drill holder for wire gage size
treIr, tank, water, 1-/2- 2-whl, 400-.g, Mf106, 1 50 41, (1 slie A to 0 0and 3/32 to 3/4 Inch5
M16A1, M107E1, M Apr55 tract size drillM (Black Diamond Saw Machne
Ord 7-8 SNL I-/ 8 Drill, elee, port, 115-v unlv Works mod 3C) ( .-148-50), Mar 55
curr, hv-duty, 1/4-n cap (Albertson mods Ho. TM 9-9036- WhlG size 10x1 DC 11-v 1 hp utll
SIoux 1525, SIOUX 1525 No. 301) (40.-0341), grind, ac (Bwn-rockmeyer md MSG93-
Mar 55 ES5133) (40.C-144l15), Apr 55
Ord 7-8 SNL /-t21 Drill, elec, port, 115-v, unlv TM 9-9804-2 Sgl-phasBe 6cy 110/120-v 5-HP
curr, hv-duty, 3/8-ln cap (Black & Decker No. start motor and elect units gen-elect test and
362, types N, T) (400-343) and DriSl, elec, maint tbI (Heyer Products Co., Inc., mod 550)
port115-v, unlv curr0 5v.uty0 w/vert stand, (4910-356-7617), Apr 55
3/8-In cap (Black & Decker, No. 362, types TM 9.9814-1 0.720- to 2.000-ln d0am0cap 1/3-
N, T) (40.D-344). Apr 55 HP AC 115-v 60-cy lsgl-phae bench-type horiz
Ord 7-8 SNL J-149 Drill, ele: port, 115-v, univ honing mach w/mandrels, stones, Apr 55
curry, hv-duty 3/8-ln cap (Sktl, mod No. 63) TM 1-9834-1 3000-1000, 15040500, 30--100
(5130-4734223), Mar 55 14.50, 3-0-10 amp range -9.100, .00. 0-10,
Ord 7 NL 12 Reamer drive, utl vri 01 vot range ow volt circuit Taster (ose
speed 1/3-hp, 115-v, 0-c, sgleph (K 0 Le, wd off r 112 -T-575-), Apr 55
ods A300UC, D200S) (40-D0-3200), Apr 55 TM 9-9836-1 1/4- to 5/-:ln'cap wet-type unlv-
Ord 7-8 SNL J-185 Hone, brake cyl, hyd, 3/4 curry 110 valve face grind mac h 0(US Elect
to 2-1/2-In range (Ammco Tools, mds A012, Tool mod VR-7) (4910-261-7848) (Form valve
1000) (40-H-750), Apr 55 refacer 40-V-505), Mar 55
v r ,9 3 AFOR5
44 A 5A s
SAVING YOUR WINDSHIELDS
"Over here on a Pacific island it's so
humidi even the ocean takes a daily
Sbath in sweat. With all this dampness
and condensation floating' 'round rust
is public enemy No. 1.
\ hen I took the screws out of a
windshield catch assembly on a M37
-* -ton truck you'd think it was Niagara
Falls the way the water poured out. I
got the problem solved, tho.
I drilled four Vs in holes in the bot-
tom of the assembly-one in each end
of the assembly, two in the middle of
the assembly, one on each side of the
Although this won't stop condensa-
tion from forming, it acts as a delay-
ing action: against "comrade" rust. It
gives condensation a chance to drip out..
Sgt Felix J. Richard
APO 354, San Francisco.
(Ed Note- Splendid idea. Humid cli1--
mates are bound to cause condensation
and rust in your windshield assemblies
sooner or later. But with this idea, the
rust'll come a lot later-not sooner. To
be 100 per cent safe, seal the holes
'round the windshield wiper motors to
keep rain from leaking in. Your idea
can be used on all vehicles, not only the
-ton. You'll soon see an MWO com-
ing your way covering this fix.
FOR CRACKED JOINTS
Here's a fix n e'\e got for our M-i8
tanks to stop personnel from breaking
the universal joints on the otrpur shafts
linking the commander's control-han-
dle-assembly with the solenoid-clutch-
We made up a piece of nire mesh and
fitted it over the asseniblh. It keeps the
linkage from getting kicked around by
the crew when they climb in and out of
the tank thru the commander's cupola.
Mr. J. D. Leonard
Camp Stewart, Ga.
(Ed Note-Ordnance has come up with
a different type of shield which will be
put on at the depot level. Until your
tank is modified, best to train your
creu to keep their clodhoppers off that
GONE WITH THE WIND
Keeping the cobwebs and dust blow n
out of your acquisition waveguide is a
snap with this system:
3 MAKE A
10 ACQUISITION i
5921 COMES IN
IS JUST THE THING.1
Turn on the motor and let 'er blow.
'Course, this is only for non-pressur-
Mr. M. A. Gleaton
(Ed Note- Splendid method.)
TIS PIECE LAST?
Splashing cold water on a h
manifold is why most of the cr<
get that way. Next time you g
,-.,r, ',- w-[T
picked up the grenade to fire it again.
What happened this time you can easily
guess. The dud came to life-what a
Your vehicle, keep water off the engine. _-9 M, t' e t'
\ At least until it's had a chance to cool
Down. Any time you tank men find ar
cal play in your turret race-it sh
Sl be. Take a quick look at your r
One thing that'll make your M74 re- bolts (hull-to-race, race-to-turre
Scovery vehicle's engine a hot-box fast see if maybe they're loose and
is to operate with the rear exhaust deflec- the play. If so, tighten 'em. If not
tors raised. Keep 'em down where they're take the problem to Ordnance 'f
supposed to be, and you'll not overheat. serious damage is done.
Same goes for all those vehicles with the
M4A3 tank chassis. You'll see this in the 'Og de ,y
TM one of these days.
Been wondering wot's needed
o t to your Bulldog tank (M41, M41,
fore installing that Signal Cor
He fired a grenade into the air. It fell ground radio (AM/ARC-27)?
to earth-he knew just where. He waited no more. The dope's to be had vic
for the bang, but it never came, so he Ord G251-W7.
NWa= KEEP THE PROPER ADJUSTMENT
ON THE LINKAGE THAT KEEPS THE
TRANSMISSION AND CONTROL
LEVER DETENTS SYNCHRONIZED.
_ I ALWAYS BRING THE TRUCK TO
CHECK FRONT BAND ADJUST- A DEAD STOP BEFORE SHIFTING IN-
McNT IN ACCORDANCE WITH TB 9- TO OR OUT OF "REVERSE" POSITION.
819A-1 (9 JULY 52) AND THEN AT TAKE I
EVERY 1000 MILES (C SERVICE). TAKE IT EASY- NEVER COW-
BOY' YOUR TRUCK.
KEEP PROPER OIL LEVEL AND
SKEEP -PROPER OIL LEVEL AND DRIVE WITHIN THE SPEED LIMITS
GRADE IN TRANSMISSION.
WARM-UP AT FAST IDLE WITH
CONTROL LEVER IN "NEUTRAL"-- KEEP IN FORWARD OR REVERSE
UNTIL BUZZER STOPS. GEAR, THE RIGHT DIRECTION,
NATCH, WHEN ROLLING. NEVER
DRIVE WITH CONTROL-LEVER IN COAST FORWARD OR BACKWARD
ER POSITION FOR TERRAIN. WHEN IN NEUTRAL.
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