PS Magazine - MAY 1981
PS, The Preventative Maintenance Monthly
ISSUE 342
MAY 1981
1
@oO I±w²
SP Howitzers .
..
lW@UiLo±²I³w
'
ADDING OIL
Oil expands about 15 percent for a 100-Degree riSe within its operating
range. ±o you make final oil level aDjuStMents when the trAnsMiSsion is at its
'±>-²³"
m
.
;
t-±
²
J
norMal operating te²peraRure ³.
. there is leSS chAnce of overfilling.
,I±²
-=
=±
±:²³_´
-
'!
A HOT oIL ChEcK like S´ .µ¶
•·¸¹º»¼½¾¿,À1ÁÂ
ÃÄÅÆ
HOT CHECK
±o´
troops are confused about when anD how to checK the transMission oil
level for the µ¶07 /µ108/µL09/µ¶10 ±P howitzer· anD µ578 recovery
veHicles. ¸nD about when or h¹w Much oil to adD.
TransMissions are being overfilled and ruineDº
-
²
=³
ÇÈÉÊË ÌÍÎ ÏÐVÐÑ WÒtÓ
ÔNGÍnÕ stÖPp×D
1
C
heat
t±e tRansmission oIl by RuNNiNg
®
W±en t±e oIl is at
180<220°
F, s±Ift
)
±
t±e engine at
1600µ1900
²PM wit± t±e to ³EUT²AL´ ²un t±e engine at
1200µ
bRakes applIµd and
1600
²¶M ·or
t±e transmIssioN In
1µ¶3
mInutes.
4t± geaR.
•
±
Stop t¸e engiNµ. W¹it
3·5
minutes foR t±e oil to Drain back Into t±e reservoIR´
ÌØÐRaÙÚÛg
rÜÝgÞ
0
³
<
ºdd oil tO G»t a ·u¼l Rµ¹dinG.
½t t¹kµ¾ aBout
4
Ga¼¼ons
Bµt¿µµÀ tÁµ ºÂ and ÃÄLÅ m¹rks.
Âon't put it all in at oÀCe, tÁo. Æt's BettµR to add
oi¼ sµVer¹l timµ¾ t±¹n tÇ oVµr·il¼.
Pages 2-4¶ to 2-43 of TB 43-000¶-39»4 (an 80) also haS soMe good info on
getting anD keeping the right oil levelsº
M109A2 RadiaTor Cap
"
The
raDiAtor Cap
³ NSn´
29
3
¼
O
'
090-4932 on the ½109¸2 howitzer
have a ten¾ency to stick, so you Do this:
Clean the threads of both the
radiator and ca¿ anD put a coat of ¸ntiÀ
±eiZe coMpounD
nsn
8030-00Á180-
63¶5 on the raDiator cap threads ÃItÄS
not on ¸µÅF. Use exception data
supply request to get it.)
nsn
2930Æ00ÇÈ3È»6626 caps to taÉ
If you ruin the
nsn
2930-01»090Á
their place³ TheyÊre the ones used Ën
4932 caps in getting theM off, orDer the µ¶09¸Ì AnD ¸3.
ß5
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