OPERATOR’S TROUBLESHOOTINGIMPROVED RIBBON BRIDGE (IRB)RAMP BAY M16NSN 5420-01-470-5825 P/N 12478918;INTERIOR BAY M17NSN 5420-01-470-5824 P/N 12478919.Section II. OPERATOR’S TROUBLESHOOTING PROCEDURESMECHANICAL TROUBLESHOOTING NOTERefer to the general instructions in Introduction toTroubleshooting, WP 0055 00, prior to performingmechanical troubleshooting.1. BAY WILL NOT UNFOLD AUTOMATICALLY WHEN LAUNCHEDStep 1. Check for loose or broken cable assemblies.Step 2. Check to see all foldlocks and travel latches are unlatched.Retrieve bay to transporter and unlatch foldlock and/or travel latchlevers (WP 0039 00).Step 3. Check travel latch for damage (malfunction 9).Step 4. Check for obstructions or jamming caused by rocks or debris.Step 5. Check unfolding stabilizers for damage.a. If inner ponton rail brackets or connecting links are bent orbroken, notify unit maintenance.b. If stabilizer bar, levers, or straight pins are bent or broken, notifyunit maintenance.Step 6. Check for broken torsion bar.If torsion bar lever turnbuckle is loose or torsion bar lever can bemoved by hand, torsion bar is broken. Notify unit maintenance.END OF TESTINGTM 5-5420-278-100058 000058 00-1MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONOperator’s Mechanical Troubleshooting
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