TM 9-4940-549-14&P
Table 4-2. Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
Brakes Grab.
Check for brakes out of adjustment.
Step 1.
If brakes are out of adjustment, adjust brakes (para. 19-6).
If brakes are not out of adjustment, proceed to step 2.
Check for defective relay valve.
Step 2.
If relay valve is defective, replace valve (para. 19-7).
If relay valve is not defective, replace brake shoes.
WHEELS
1.
Wheel Hub Throws Grease.
Check for improper wheel bearing lubricant.
Step 1.
If wheel bearing needs lubricating, lubricate (19-5).
If wheel bearing does not need lubricating, proceed to step 2.
Check for loose or cracked hub cap.
Step 2.
If hub cap is loose, tighten the hub cap (para. 19-5).
If hub cap is cracked, replace the hub cap (para. 19-5).
If hub cap is not loose nor cracked, proceed to step 3.
Check for cracked hub.
Step 3.
If hub is cracked, replace hub (para. 19-5).
If hub is not cracked, proceed to step 4.
Step 4.
Check for worn or damaged grease seals.
If seals are worn or damaged, replace the seals (para. 19-5).
If the seals are not worn or damaged, proceed to step 5.
Check for defective hub gasket.
Step 5.
Replace hub gasket if required (para. 19-5).
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