TM-5-3895-372-20
CONCRETE-MOBILE MIXER BODY M919, MODEL 8CM-24/F
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL
AUGUST 1980
TM-5-3895-372-20 - Page 51 of 694
TM 5-3895-372-20
Table 4-1.
Power Train Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
NOISY SHAFT BEARINGS:
Step 1.
Inspect for signs of excessive heat and dryness.
Lubricate bearings.
(See LO 53895372-12).
Step 2.
Inspect for vibrating, seized, cracked or worn bearings.
Replace shaft bearings (para 4-12 and 4-13).
2.
POWER TRAIN V-BELT SLIPPAGE:
Step 1.
Inspect for loose V-belts.
Adjust V-belts (paras 4-11, 4-16, and 4-17).
Step 2.
Inspect for worn or oil saturated V-belts.
Replace V-belts (paras 4-11, 4-16, and 4-17).
Step 3.
Inspect drive shafts, water pump, and hydraulic pump for binding or seizure.
a.
Replace drive shaft bearings (paras 4-12 and 4-13).
b.
Inspect and repair water pump (para 5-10).
c.
Inspect and repair hydraulic pump.
Notify Direct Support Maintenance.
3.
MAIN CLUTCH SLIPS:
Step 1.
Inspect for signs of excessive heat, burning, and lost motion.
Adjust main clutch (para 418).
Step 2.
Inspect clutch discs for excessive wear, oil saturation, contamination.
Repair main clutch, Notify Direct Support Maintenance.
4.
ANGLE DRIVE GEAR BOX RUNS HOT, IS NOISY:
Step 1.
Check oil level in gear box.
Add oil.
(Refer to TM 5-3895-372-10 and LO 5-3895-372-12).
Step 2.
Check gear box for plugged breather holes in cap.
a.
Use wire to unplug holes.
b.
If problem still persists, notify Direct Support Maintenance.
4-2
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