PS Magazine - TB 43-PS-477

PS, The Preventative Maintenance Monthly

ISSUE 477

AUGUST 1992
PS Magazine - TB 43-PS-477 - Page 6 of 51
M91 IT/M±² FIST
..•
J
ver try to drive your M901 Im-
prOved T±W Vehicle (²TV) or ³981
FiRe SuppoRt ´eam Vehicle µf²S´V¶
·hRough a heavy ¸g? ¹·'s tough because
you can'· see any·hing!
Bu· º»g is exac·ly what you
'Ii
be
seeiNg when humiDity buiLds uP oN the
m¼½RoRs ¼n the upPer and loweR sec·¼oNs
o¾ ·he taNk Periscope.
Avoid th¼s by keepiNg aN eye on the
hum¼Di·y iNDiCa¿orsÀ
When ·hey ·uRn
P¼nK, haÁe your mech cLean the peR¼Â
Mechs, the periscope shouÃD be cleaNed
oNLy by puRg¼ng ¼t with dRy NitrogeNÄ
Åollow ·he steps iN Æara 5Â92Ç S·eps 1
&
2È o¾ TM 9É23Ê0Ë259É20 Ìr the M90Í
²TV aNd ÎaRa 5É105Ï Steps 1
&
2È oÐ ´M
9Ñ2350É266É20 ÌR the M981 ŲS´Ò Óo
Do ·he job ProPeRlyÈ youÔLL need a n¼tro-
geN purging K¼·Ç ÕSÕ 49Ö1É×0Â065Â1110Ø
MaKe sure you use aN adv¼ce coDe oÙ 2A
oN your requ¼s¼·¼oN, thoughÈ or i·ÚLÛ be cancelÃedÜ
When you 're Ùin¼shedÈ put iN new desiccaNtÈ ÕSÕ 685×ÝÞÝß81Â7727Ä ´ha· KeePs
moàsáuRe ¾Rom buâldiNg up oN the mirRoRsã
ÕeveR try ·o cLeaN the PeRiscOpeäs iNteR¼or any oåher wayÜ WiPiæg away mo¼s·uRe
¼nside çpar·icuLaRLy on ·he miRRorèw¼LL Damage ·he assembLy. AnD ·ha· meaés
depot level Repa¼Rê ¹Ù PuRging doesn'· Do ·he ·Rick, turN ·he PeR¼scoPe in ·o sUPpoRt
ÐoR ¼nsiDe cleaningë
6
AUG³2
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