TM-9-2320-273-10
TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; OPERATOR’S MANUAL
DECEMBER 2012
TM-9-2320-273-10 - Page 282 of 452
TRANSMISSION - CONTINUED
SYMPTOM
Slow or erratic transmission engagement.
MALFUNCTION
Transmission oil level is low.
CORRECTIVE ACTION
NOTE
Perform corrective action 1 for M915 through M920
vehicles. Perform corrective action 2 for M915A1.
1. Check level on dipstick with engine off and vehicle on level ground. If
fluid is low, add fluid as necessary to maintain proper level. If fluid is
sufficient, notify supervisor.
2. Check level on dipstick with engine at idle and vehicle on level ground.
If transmission is 100–250° F (38–121° C) and fluid level is above HOT
RUN band, or if temperature is below 100° F (38° C) and fluid level is
below COLD RUN band, notify supervisor.
SYMPTOM
Transmission fluid temperature gauge indicates overheating.
MALFUNCTION
Transmission oil level is low or transmission requires service.
CORRECTIVE ACTION
1. Check level on dipstick with engine off on M915 through M920 or with
engine at idle on M915A1 and vehicle on level ground. Check dipstick
for evidence of foamy fluid. If transmission is 100–250° F (38–121° C)
and fluid level is above HOT RUN band, or if temperature is below
100° F (38° C) and fluid level is below COLD RUN band, notify
supervisor.
2. Check dipstick for evidence of discoloration that could indicate
water/antifreeze in fluid. If there is discoloration of fluid, notify
supervisor.
SYMPTOM
Fluid leaking from transmission breather.
MALFUNCTION
Transmission oil level is low or transmission requires service.
TM 9-2320-273-10
0023
0023-8
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