|
| |
TM 10-4320-324-14
Table 4-2. Troubleshooting CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY (CONT)
6.
ENGINE RUNS ROUGH, DOES NOT DEVELOP FULL POWER, OR SMOKES EXCESSIVELY.
Step 1. Check for sufficient supply of fuel.
Refer to paragraph 4-44 and clean strainer in fuel feed pump.
Tighten all fuel line connections.
Replace fuel filter, refer to paragraph 4-42 and bleed fuel system.
Step 2. Visually inspect air cleaner restriction indicator for dirty cartridges.
Refer to paragraph 3-5 and replace both cartridges.
Step 3. Check for overfilled oil sump.
Refer to paragraph 3-1 and drain off until level reaches top mark on dipstick.
Step 4. Check for inefficient compression due to sticking or broken compression rings or incorrect valve
clearance.
Refer to paragraph 4-49 and readjust valve clearance.
Notify direct support maintenance.
7.
ENGINE OR EXHAUST NOI SY.
Step 1. Check for loose connections allowing exhaust leak.
Tighten any loose connections.
Step 2. Check for holes in muffler.
Refer to paragraph 4-28 and replace muffler.
Step 3. Check for loose connections allowing exhaust pipe to move.
Tighten any loose connections.
Step 4. Check for holes in exhaust pipe.
Refer to paragraph 4-27 and replace exhaust pipe.
4-14
|
