PS Magazine - TB 43-PS-551

PS, The Preventative Maintenance Monthly

ISSUE 551

OCTOBER 1998
PS Magazine - TB 43-PS-551 - Page 10 of 48
M915·Series, M915A 1 Trucks .±±
interTIme is Rough on trUck ai± systems That don'T get draIned of wate±
regularly, buT It²s mU±der on M9 l5-seRies aNd M³1´AL trUcks.
µF water ¶·eezes iN these TRUcks, iT caUseS Not only the Usual sta±tIng problems¸
BUt also gets Into the air lines aNd ends up iN the t±aNsmIssioN Contro¹ g±oUpº »hat
causes The t±aNsmIss¼oN to griNd and mIss gears½
DraInIng the air taNk
j
usT once may Not get all ThE moisture out¾ »o m¿ke sureÀ
aFter you²ve draIned ItÀ let thÁ air Pressure BUild upº ÂheN dR¿iN the t¿NK agaInÃ
Äeep doÅNg this p±ocedure unti¹ No more wate± comes ouT oÆ the tankÇ
DraIn the air taNKs eVeRy day the Temperature is BeÈow fReeziNgÉ Êe s˱e to
serÌice the ai± dRyer FÅlter, tooº
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