TM 5-3810-295-34
Table 2-1 Troubleshooting Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18. REVOLVING FRAME WOBBLES OR WILL NOT SWING.
Step 1.
Check rollers for excessive wear or other damage.
-----
Replace hook rollers as described in TM 5-3810-295-12.
Step 2.
Check swing clutches for maladjustment.
-----
Adjust swing clutch as described in TM 5-3810-295-12.
Step 3.
Check vertical swing shaft for breaks or excessive damage.
-----
Replace or repair vertical swing shaft or related parts as described in paragraph 5-54.
Step 4.
Check for improper or insufficient lubrication.
-----
Refer to current LO 5-3810-295-12-1, -2 and -3 and lubricate revolving frame.
19. WHEELS ARE EXCESSIVELY NOISY DURING CARRIER OPERATION.
Step 1.
Inspect for wheel bearing damage as described in paragraph 16-6.
-----
Replace wheel bearing as described in paragraph 16-10.
20. CARRIER AXLE VIBRATES OR IS EXCESSIVELY NOISY DURING CARRIER OPERATION.
Step 1.
Check differential lubricant level.
-----
Refer to current LO 5-3810-295-12-1, -2 and -3 and fill axle to proper level.
Step 2.
Check universal joints for damage or lack of lubrication.
-----
Lubricate universal as described in TM 5-3810-295-12 or, if necessary, refer to
-----
paragraph 15-7 and replace universal joints as described.
Step 3.
Remove differential and check for excessive wear or damage.
-----
Repair or replace differential as described in paragraph 16-12.
Step 4.
Check planetaries for excessive wear or damage.
-----
Repair or replace planetaries as described in paragraph 16-12.
Step 5.
Check axle shafts for damage.
-----
Replace axle shafts as described in chapter 16.
21. CARRIER BRAKE ACTION TOO SLOW OR INSUFFICIENT.
Step 1.
Check brake shoe adjustment.
-----
Adjust brake shoes as described in TM 5-3810-295-12.
Step 2.
Check brake shoe linings for excessive wear.
-----
Adjust brake shoes as described in paragraph 16-18 or replace as described in
-----
paragraph 16-22 if necessary.
Step 3.
Check brake lines for breaks, obstructions or leaks.
-----
Refer to paragraph 18-1 and repair or replace damaged components as required.
Step 4.
Check air supply for low pressure.
-----
Repair or replace air compressor as described in paragraph 13-26.
22. BRAKES DRAG WHEN PEDAL IS RELEASED.
Step 1.
Check for improper brake shoe adjust ment (too tight).
-----
Adjust brake shoes as described in TM 5-3810-295-12.
Step 2.
Check brake release valve for damage.
-----
Repair or replace valve as described in chapter 18.
23. BRAKES GRAB WHEN APPLIED.
Step 1.
Check for improper brake shoe clearance.
-----
Adjust brake shoes as described in TM 5-3810-295-12.
Step 2.
Check brake shoe linings for oil or grease spots.
-----
Determine and correct cause of oil or grease leaks. Clean or replace brake shoes or
-----
linings as described in paragraph 16-22.
Step 3.
Check brake drums for excessive wear (out-of-round).
-----
Replace brake drums.
Step 4.
Check brake shoes for damage or excessive wear.
-----
Replace brake shoes as described in paragraph 16-22.
Step 5.
Check brake chamber diaphragm for leaks (damaged unit or loose connections).
-----
Tighten fittings or replace damaged chamber as described in paragraph 18-2.
Change 1 2-6
