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ENGINE   OVERHEATS
LOW   OR   NO   OIL   PRESSURE

TM-9-2350-238-10 Semi Trailer Tank 5000-Gallon Fuel Dispensing Automotive M969A 2 (NSN 2330-01-377-9337) Manual
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TM   9-2350-238-10 Table   3-1.   TROUBLESHOOTING–CONTINUED MALFUNCTION TEST   OR   INSPECTION CORRECTIVE   ACTION ENGINE–CONTINUED Step   4.   Check   to   see   if   fan   well   deck   is   covered   and   check   radiators   for   obstructions and  accumulated  dirt. Remove   obstructions.   Remove   engine   deck   and   check   radiators.   If radiators   are   clogged   with   dirt,   notify   unit   maintenance   personnel, Step   5. Check  to  see  if  engine  has  been  excessively  operated  at  idle  speed. Increase   speed   to   1000   to   1200   rpm   or   stop   engine. Step  6.  Check  fan  belt  tension  and  condition  of  fan  belt. Adjust   fan   belt   tension.   Refer   to   page   3-31.   If   fan   belt   is   cracked   or frayed,   notify   unit   maintenance   personnel. 7.   EXCESSIVE   SMOKE   FROM   EXHAUST   AFTER   ENGINE   WARMUP, Step   1.   Check Step   2.   Check for   very   dirty   or   clogged   air   filter   pats. Clean   filter   pats,   Refer   to   page   3-43. color   of   smoke. Blue-gray    smoke    indicates    defective    turbocharger. Black   smoke   indicates   clogged   air   intake   system   or   defective   tur- bocharger    regulator. White   smoke   indicates   water   in   compression   chamber   or   exhaust system. If   engine   continues   to   smoke   after   cleaning   air   filter   pats,   notify   unit maintenance   personnel. 3-13







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