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TM 9-2320-270-20-1
TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
42. LOSS OF POWER.
WARNING
This procedure includes converter stall test. When performing converter stall test,
vehicle must be blocked and parking and service brakes must be applied. Keep
personnel clear of vehicle and its travel path in the event of brake failure or inadequate
blocking. Do not maintain stalled condition longer than 30 seconds. With transmission
in neutral, run engine at 1,200 to 1,500 rpm for 2 minutes to cool oil between tests. To
prevent overheating transmission fluid, closely watch transmission OIL TEMP. gage and
do not allow temperature to exceed 300F (149C). Failure to observe this warning
could result in injury to personnel.
Step 1.
Check engine oil level (TM 9-2320-270-10).
a. If engine oil is too low, fill to proper level (LO 9-2320-270-12).
b. If engine oil is too high, drain to proper level (LO 9-2320-270-12).
Step 2.
Go to transmission oil dipstick (1) pull it out. Check to see if oil is foamy.
If oil is foamy, put dipstick back and go to FOAMY OIL, TRANSMISSION
SLIPS OR OVERHEATS (page 3-103).
Check propeller shafts and U-joints (2) for damage (page 4-574).
Step 3.
If propeller shafts or U-joints are damaged, replace (page 4-574).
TA239702
3-115

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