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TM 10-4320-307-10
Table 3-1. Operator/Crew Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
15.
PUMP BEARING RUNS TOO HOT
Step 1.
Check suction and discharge piping for proper support.
Notify unit maintenance if support bushings are loose.
Step 2.
Check lube oil.
If low, fill to proper level. If contaminated, notify unit maintenance.
16.
PUMP LEAKS BETWEEN SEAL SURFACES
Step 1.
Check for loose bolts.
Notify unit maintenance of loose bolts.
Step 2.
Check for seal deterioration.
Notify unit maintenance of seal deterioration.
Step 3.
Check for flange misalignment.
Notify unit maintenance of flange misalignment.
17.
PUMP LEAKS FROM SHAFT SEALS
Step 1.
Check for leaks.
If a Category Class III leakage is detected, notify unit maintenance.
18.
SPEED INCREASER GEARING HOT
Step 1.
Check oil level.
If oil level is low, fill to proper level.
19.
SPEED INCREASER CLUTCH NOISY
Step 1.
Check lube oil level.
Step 2.
Check lubrication points.
If lube oil level is low and lubrication point is dry, fill to proper level.
20.
SPEED INCREASER LEAKS GEAR OIL
Step 1.
Check for leaks.
If a Category Class III leakage is detected, notify unit maintenance.
21. SPEED INCREASER CLUTCH SLIPS, HEATS, OR OPERATING LEVER JUMPS OUT FROM LOCKED
POSITION
Step 1.
Check clutch adjustment.
If clutch is out of adjustment, notify unit maintenance.
22.
CONTROL SYSTEM MALFUNCTION
Step 1.
Check control system.
If control system appears to be faulty, notify unit maintenance.
3-9
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