PS Magazine - TB 43-PS-507
PS, The Preventative Maintenance Monthly
ISSUE 507
FEBRUARY 1995
M102 Towed Howiter .
..
W
amage is all you'll crank Up If you
tRy using the wheel actuaTor system to
pulL up the carRiage stakes on youR
Ml02 towed howitzeR.
±he system has jusT one job- Raising
and lowerIng the wheels² So It shoUld
come as no surprIse ThaT something wILL
bReak if you use It any other way³
´F youµre LUcKy, The onLy th¶ng ThaT'Ll
breaK Is The shear pIn in The actUatoR
cRank· ¸he pInµs made to sheaR
when too much pressUre Is
applied¹
¸haTµs exactly
whaT happens when the
sTakes are sTill In The
groundº
»nForTUnateLy, some operatoRs don¼T
Use The rIght shear pin½ NSN 5315¾00¿
9À9¿Á57³ ¸hey use JusT any old pin oR
boLt thaT¼LL FiTÃ
When The sheaR pin faILs To give, the
lIght metaÄ geaRs inside the actuatoR
do¹ And thaT's some pRetTy eXpensiVe
damage.
PS 5±7
²³
•
MaKe sUre youÅVe got the RighT sheaR
pIn in The hand cRankÆ ¸hen Remove The
stakes The rIghT way, using The caRrIage
staÇ and sÈedge hammer ÉÊom youR
weaponÅs
BIl´
ËUsT Ìay The staFF across The slots in the
sledge hammer and leVer the stakes out
of The groUnd¹
FEb 95
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