AUXILIARY DRIVE OR POWER TAKEOFF MAKES TOO MUCH NOISE.

TM 9-2350-238-20-1

2-11. TROUBLESHOOTING INFORMATION (CONT).

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

77. AUXILIARY DRIVE OR POWER TAKEOFF MAKES TOO MUCH NOISE.

Check auxiliary drive oil level.

Step 1.

Add oil to FULL mark on gage. Refer to the PMCS/lubrication table,

Step 2.

Check for worn or damaged universal joints in drive shaft.

Enter right hull tunnel and turn power takeoff to auxiliary drive shaft back

and forth. If any play is in drive line, replace auxiliary drive shaft. Refer

Isolate noise in auxiliary drive or power takeoff. Remove exhaust pipes. Refer

Step 3.

to page 2-514. Disconnect drive shaft at power takeoff. Pull drive shaft

coupling from power takeoff and lower drive shaft to hull bottom. Install

exhaust pipes. Start engine. Listen for noise. Stop engine.

If noise was not present, replace auxiliary drive, refer to page

2-766; or notify direct support maintenance for repair.

If noise was present, notify direct support maintenance.

2-78