| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-221-14-3
Table 6-1. Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Oil Pressure Low.
Condition A - When selector valve is placed in any position-
forward, neutral or reverse.
Step 1.
Check for defective oil pump relief valve.
Replace defective oil pump relief valve. Refer to paragraph 6-38.
Step 2.
Check for defective oil pump.
Overhaul oil pump. Refer to paragraph 6-36.
Step 3.
Check for defective marine gear dump valve.
Clean, inspect and replace defective parts. Refer to paragraph 6-38.
Condition B - When selector valve is placed in forward.
Step 1.
Check for worn or broken forward piston seal rings.
Remove and replace defective forward piston seal rings. Refer to paragraph 6-39.
Step 2.
Check pilot bearing oil seal for leaks.
Remove and replace defective pilot bearing oil seal. Refer to paragraph 6-39.
Step 3.
Check for defective dump valve.
Clean, inspect and replace defective parts. Refer to paragraph 6-39.
Step 4.
Check for faulty flywheel.
a. Inspect flywheel and replace loose or missing passage plugs. Refer to paragraph 6-39.
b. Check emergency engagement bolts for tightness. Tighten loose bolts. Refer to paragraph
6-39.
6-7
|
||
|
||
