TM 5-3810-295-34
Table 2-1 Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. TRANSMISSION SELECTOR LEVER WILL NOT ENGAGE.
Step 1.
Check linkage for loose, binding or disconnected parts.
-----
Adjust linkage as described in TM 5-3810-295-12 or if necessary, repair or replace as
-----
described in paragraph 15-2.
13. TRANSMISSION ENGAGES BUT FAILS TO TRANSMIT DRIVING TORQUE.
Step 1.
Check transmission fluid level while engine is hot.
-----
Refer to current LO 5-3810-295-12-1, -2, and -3 and fill transmission to proper level.
Step 2.
Check for internal damage to the torque converter and transmission (excessive noise).
-----
Overhaul as described in DMWR 5-3810-295.
14. CRANE DRIVE CHAIN EXCESSIVELY NOISY.
Step 1.
Check for broken or damaged chain.
-----
Repair or replace chain as described in TM 5-3810-295-12.
Step 2.
Check for worn or damaged sprocket.
-----
Repair or replace sprocket as described in TM 5-3810-295-12.
Step 3.
Check for improper adjustment of drive chain.
-----
Adjust chain as described in TM 5-3810-295-12.
Step 4.
Insufficient or use of incorrect lubricant.
-----
Refer to current LO 5-3810-295-12-1, -2 and -3 and lubricate drive chain.
15. CRANE HOIST GEARS NOISY.
Step 1.
Check gear teeth for excessive wear.
-----
Replace gear as described in paragraph 5-19.
Step 2.
Check bearings for excessive wear or damage.
-----
Replace bearings as described in chapter 5-19.
Step 3.
Check hoist shaft for bends or cracks.
-----
Replace hoist shaft as described in chapter 5-19.
Step 4.
Check for improper or insufficient lubrication.
-----
Refer to current LO 5-3810-295-12-1, -2 and -3 and lubricate as required.
16. CRANE SWING GEAR NOISY OR VIBRATES DURING OPERATION.
Step 1.
Check gear teeth for excessive wear or breaks.
-----
Replace gear as described in paragraph 5-42.
Step 2.
Check for broken or damaged chain.
-----
Repair or replace chain as described in TM 5-3810-295-12.
Step 3.
Check for worn or damaged sprocket as described in TM 5-3810-295-12.
-----
Repair or replace sprocket as described in TM 5-3810-295-12.
Step 4.
Check for improper adjustment of drive chain.
-----
Adjust chain as described in TM 5-3810-295-12.
Step 5.
Insufficient or use of incorrect lubricant.
-----
Refer to current LO 5-3810-295-12-1, -2 and -3 and lubricate drive chain.
Step 6.
Check bearing for scoring or excessive damage.
-----
Replace bearing as described in paragraph 5-42.
Step 7.
Check horizontal swing shaft (7, fig. 5-11) for bends or breaks.
-----
Replace shaft as described in paragraph 5-42
Step 8.
Check for improper and insufficient lubrication.
-----
Refer to the current LO 5-3810-295-12-1, -2 and -3 and lubricate as required.
17. CRANE BOOM OR HOIST OPERATION SPORADIC.
Step 1.
Check drive shaft for bends or other damage.
-----
Replace drive shaft as described in paragraph 5-19.
Step 2. Check to see if inner boom gear is binding.
-----
Replace gear bushing.
Step 3. Check for broken or damaged shaft bearings.
-----
Replace shaft bearings
Change 1 2-5
