TM 5-5420-203-14
Table 3-1. Troubleshooting - CONT
TEST OR INSPECTION
CORRECTIVE ACTION
9. BRIDGE BEGINS TO LOWER, THEN STOPS.
Step 1. Check for loose or leaking hydraulic connections.
Reconnect hydraulic connections.
Tighten loose connections.
Replace defective lines or hoses.
Step 2. Check hydraulic fluid level.
Add hydraulic fluid as required.
Step 3. Check output of hydraulic pump on launcher.
Perform repairs as required.
10. BRIDGE WILL NOT EXTEND FLAT PRIOR TO LAYING.
Step 1. Check hydraulic fluid level.
Add hydraulic fluid as required.
Step 2. Check engine RPM.
Set engine RPM at no less than 1800.
Step 3. Check hydraulic filter for obstruction.
Remove obstruction.
11. BRIDGE ASSUMES AN UNUSUAL POSITION DURING LAUNCH/
RETRIEVAL.
Step 1. Check tongue connections at pinnacles.
Ensure fit is tight. Cease operations and perform
necessary repairs.
Step 2. Check for proper mating of locking plugs to bridge.
Disconnect and reseat tongue to diaphragm. Ensure
locking plugs are properly seated.
Step 3. Check for excessive wear or worn components.
Cease operations and make necessary repairs.
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