PS Magazine - MARCH 1984

PS, The Preventative Maintenance Monthly

ISSUE 376

MARCH 1984

PS Magazine - MARCH 1984 - Page 9 of 35
Wire Rope Wear and Tear
You can damage your M88Al boom winch wire rope if you're careLess
during rigging and operating.
THere's on±y one type of boLt to keep the wire rope retainer in pLace on tHe
boom sheave. It's NSN 5305-00-144²1475, seLf-Locking shou±der bo±t³ It's
stronger than FL±y threaded co´´on boLts that can break or ±oosen up under
the strain³ That can Let the wire rope sLip oµ the sheave and jam up on the boo´.
Paying out or retrieving the wire rope at an angLe to the boom aLso causes
damage³ Set up fOr operation on a straight ¶ine between _the boom and the
object to be ´oved or reCovered³ ·therwise, the wire rope binds as it rides
in the sheave.
If a retainer boLt breaks, the wire can jump oUt and jam ¸n the boom³ ·r,
it can g¹ kiºked or »ayed. ¼t cou±d even Break½
At any rate, the rope can get da´aged. Save yoUrseLf some embarrassing
exp±anations and do the job right³
TM ''Short±±
TM 9-2350-256-20 ¾r tHe M88A 1 is short on instr¿ctions ¾r re´oving Ànd
repLaCing the compensating idLer ar´ and ¾r adjusting the bearings³ ÁntiL tHe
TM is changed, you can reÂr to TM 9²Ã350-257-20-1²3, Pages 14ÄÅ thrU 14-71³
The instruCtions fOr tHe M60A 1 R¼SE tank can be used as a guide.
14
MAR 8
-
/"
²
Recovery Vehicles .±±
THey²³e Not Bulldoze´s
³
´
-.±
Il±-
µ
.²L:³´
:²³´
'
ÆÇ;
:
È
É
±
´ÊËatioÌ
.
A
Í
M578 ÎÏÇw" toÐÑÈ yoÒÓ ÔhiDÇ'• •padÇ
'
as a dozer bLadeÕ
It wasn't designed ¾r tHat kind of work³ You'LL bend it rea¶ Öst or ×amage
the spade cy¶inder and pivot pins if you use it that way.
A¶¶ that spade is supposed to do is smooth out an area so a reasonabLy LeveL
surÖce is avaiLabLe ¾r recovery operations, or to anchor tHe vehic±e during
wincØing. Never use it fOr digging or dozingÙ
M577A1/A2 CP Car²ie²s ³´´
YoU aLways use tHe baL±ast p±ates wHen yoU swim your Command post carrier³
They're needed to oµset the weight of the coÚ´o equipment you're carrying³
TM 9-2300-257-10, Pages 4-14 and 4Ä15, gives yoU a Chart showing how
´any pLates are needed to oµset up to 6 com´o sets.
¼f you need baLLast p±ates, any steeL p±ate 36
x
12
x V
incHes is acceptabLe.
You can get steeL Ûom your ÜSÁ in Large sHeets whicH your ´ecHanic cuts to
ft
MAR 8
15


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