PS Magazine - TB 43-PS-454

PS, The Preventative Maintenance Monthly

ISSUE 454

SEPTEMBER 1990
PS Magazine - TB 43-PS-454 - Page 20 of 53
M931/A±, M932/A±
Tractors
.±±
ir brake valves on these 5-ToN TRucK TRacToRs musT be ope± fOr ThE SEMiTRaILer's
bRaKES to woRk.
LEVER· ±YPE VAl VE
HANDLE² TYPE VAL VE
On hand³etyp va´vµs, tum
t
va´vµ ¶nd´µ u¸ to op¹º ³ik» thIs:
²a³e doUBL
e
´
sURe the air BRa³es on yoUR semµTRai¶eR aRe h··ked up rµght bEF¸Re
y·u hiT The R·ad¹ HavE a bUDdy WaTch as y·º sTaRt ·»T ·F ¼hE m·T·R p··½¾ ¿RiVÀ
ab·»¼ 5 ²PH, ThEn apÁLy The bRakEÂ.
²f
the sEmµTRaµler Tireà d· n·T ÄLide, betteR ChecK ThE vaLvEÄ aGaµ±Å
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