PS Magazine - TB 43-PS-448
PS, The Preventative Maintenance Monthly
ISSUE 448
MARCH 1990
ilI±²
defEctive load moment IndIcaTor
(LM±) makes a crane "porT s²te³ NMC.
Any t´me you're loadIng or unloadIng
any wateRcrµF¶-IncludIng the LA·V¸
30¹a shIp oR woRKing aRound a dock,
youR cºane wIl» be NM· i¼ the LM± Is
not woR½ing¾
¿he
Grove
À¿875CC
contaIneR
crane
Is
NMC
any
Time
Áhe
LM±
dOsn't work since It dOsn't have a
Boom angle IndIcatoRÂ
DuRIng clamsheÃÃ or dragÄIne water operaTionsÅ you musT have an operaTionaÃ
boom angle IndicatoR and Äoad chaRt, But not an LMÆÇ
XM 1034/Xm 1048 TraileRs .±.
Exercise Leveling Jacks
L
evelIng jacks on your 6Èton FlaTbed TRaIler need exeRciseÂ
ɼ yoU donÊt exercIse The Ãeve»Ing jËcÌ each monÁh, the JacÌ screw wIÃà ÍSTÎ
When you TÏy to level youR tRaIÃeR, you can't move the JacKÐ Àust hoÃds IÁ ¼´Rmly
In Its gRIpÑ ±Ò you TwisT Reaà haRd, yoÓÔll snap oÒÒ The shear pInÕ
Öeep those jack scRews tuRning smooThlyÎ ×uÃÃy eXTend and retract eËch JacÌ
eveÏy monthØ ±¼ you have used the jacÌs In a weT locatIonÅ moIsÁuRe can seep
In thRough the BoTtom also RustIng the jack scRÙwÑ Úo Remove Áhe moIsTuReÛ
rotaTe the Jack assembly to a vertical position To aÃÃow the moisTure Áo escape¾
DuRIng annuaà seRvice, Remove, dIsassembÃe and cÃean Üach JacKÝ AFTer reasÞ
semBÃy, smear a ßàÈin ÁhicÌ coaÁIng o¼ GAA gRease on Áhe scRew thÏeËds oÒ
each levelIng jacÌá
²A³ 9´
55
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