PS Magazine - NOVEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 240
NOVEMBER 1972
1l
arm housings
Ace
CrACking beCause they were mAde A little
on the brittle side And some housing
mounting bolts Are sheAring off.
So CheCk all roAdwheel Arm housings
on your M48±3, M60/M60±L, M60±2
tAnks, M728
CEV
or ±
VBL.
MAke sUre all of the mounting sCrews
Are torqueD to 4²-450
f
lbs³
±fter you've gone through this drill
onCe, sChe´ule it for every quArterly
(Q)
serviCe After thAtµ
On the quArterly serviCe you CheCk
only the
!F
An´ right front roAdwheel
Arm housings for CrACks An´ for mounting
sCrew torque less thAn 4²-450
f
lbs³
If bolts Are replACed, instAll them dryµ
Never lubriCAte the threAds¶
If the front roA´wheel arm housings
ConnAissAnCe Armored CArrier³
Then they won't get ´AmAge´ by f·y¸
ing she·l CAs¹ngs when you fire ºver the
´river's hatChµ
»ll the poop on instAlling the Kit is i¼
TB 750-981-2 (±pr 72)µ
±6
Are
OK,
thAt's ½As FAr As you need to goµ
If, on 'tuther hAn´, some of the mounting
sCrews Are loose in the left or right front
roAdwheel
housings, then CheCk the
torque on All the mounting sCrews on All
of the roAdwheel rm housing¾¿
You shouÀd be seeing this info in a
future ChAnge to your -20 TMÁ
-.
±
With a little patienCe you Can mAke A
trACk tension gAge for any or all of your
trACk vehiClesµ
StAmp vehiCle
and TM
numÂrs with Ã-in high die set on A 4-in
long pieCe of oCtAgonAl shApe Aluminum
Cut Ä-in (ACross flats)µ
On eACh ÅACe, drill A 1/16-in hole about
Æ-in ´eep (indiCate´ by the
•
sign) As fAr
in from the neAr en´ of the gAge As the
figures (5/32, etC³) CAll for³
To
use
the
gAge,
first
identify
the
vehiCle
And
reAd
up on
traCk
tension
²
-
A´justment in the operator's ÇanuAl³
Now with your finger aÈ ÈHe hole oÉ
the fACe deAliÉg with your veHiCle, tHe
distanCe
betwEn
your
finger
anÊ
tHe
near end oË the gage sHows Èhe allowÌ
Able tRACk tension for that PaÍiCUlar
vehiCle³
If you don't Éeed the 8ÎfACed veRÏion oË
this gAge you CouÀd make yourself a
simpler one out of hex stÐk ËÑr 6ÎËaCes or
even sQuAre stÐK ÒitH 4 iÉËoRÇaÈion
fACesÓ The sAme PrinCiÔles aPPlyÓ
4"
M88 TM 9-2320-222-10
±
5/3±
7/32
7/32
9/32
Ml08-Ml09 TM 9-2350-217-10
Mll3Al TM 9-2300²257-10
M60/M60Al TM 9-2350-2³5-³0
M5´8 TM 9-2320-238-10
²
ml0´-Mll0 TM 9-2300-2³6-³0
•
Mll4 tM 9-2320-224-³0
•
M551 TM 9-2350-230-³2
NormAl engine idle speed is 700-750
ÕÖM ×ut you nee´ to idle At 1²0-Ø2²
ÕÙM
to
wArm
up
your
engine,
and
prevent smoking and engine dAmage.
If you nee´ eleCtriCal power (like for
•
³
³
•
•
³1/32
&
³ 3µ3±
¶³/32
&
³ 3/32
³ 19/32
at LEAST ³000 RPM
FOR WARM UP ON
TRaCK VEHIC·E
avDS-³´90-2/2A
ENGiNES.
the rA´ios) when the tAnk is not moving, you HAve to ÚAve An idle speed of Ø400 tÑ
1500 ÕÖM to give the engine the right oPerAÛing temPeratureÓ (NaturAlly, the lower
the outsi´e temperAtÜre the higher you hAve to set your tAÝk idÞeµ)
In reAl Coß´ weAther you may hAve to step uP your engine sàed to Ø600³
If you hAve to use A lower engine speed Ëor taCtiCal reasons, pUÇp the mAnifold
heAter now And AgAin for A áew âConds to mAke the engine work betÈer.
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