Table 3-1. Direct Support Troubleshooting - continued
TEST OR INSPECTION
FLATBED CARGO TRAILER
1. TRAILER VIBRATES, SAGS, LEANS OR SIDETRACKS. (Model WPES-1 Only)
Step 1. Check for worn or broken spring leaves.
If spring leaves are worn or broken, replace both spring assemblies Refer to paragraph 3-69
Step 2. Check for worn or broken trunnion brackets.
If trunnion brackets are worn or broken, replace trunnion brackets Refer to paragraph 3-7.
Step 3. Check for bent trunnion.
If trunnion axle is bent, replace trunnion axle. Refer to paragraph 367.
Step 4. Check for bent axles.
If axles are bent, replace bent or worn axles Refer to paragraph 3-70. If trouble persists, replace suspension
2. ONE BRAKE DRAGS.
Repair brake assembly on dragging wheel in accordance with paragraph 3-8.
3. BRAKES DRAG OR REMAIN LOCKED.