TM 5-5420-278-100058 000058 00-5MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONOperator’s Mechanical Troubleshooting (Contd)9.TRAVEL LATCH WILL NOT RELEASEStep 1. Check for bent or damaged upper and lower striker receptacles,latch bar, mounting brackets, or missing springs.If parts are missing, bent, or damaged, notify unit maintenance.Step 2. Check for clearance between pins on latch bar and upper and lowerstriker receptacles.a. If no clearance is evident, notify unit maintenance.b. If excessive clearance is observed, notify unit maintenance.END OF TESTING10.UPPER COUPLING WILL NOT ENGAGE IN RECEPTACLE BLOCKStep 1. Check for obstructions such as rocks or debris lodged in receptacleblocks.Free and remove debris from area.Step 2. Check gap between inner-to-inner pontons.Close gap using roadway tool and crowbar until inner-to-innerponton upper couplings can be engaged.Step 3. Check alignment during bay-to-bay connection.a. Level roadway surface of adjoining bays using two couplingdevices.b. Draw adjoining bays closer together using ropes connected tobelay cleats (WP 0033 00).Step 4. Check for bent lever or heavily worn receptacle block.If parts appear bent or heavily worn, notify unit maintenance.END OF TESTING11.UPPER COUPLING WILL NOT RELEASE FROM RECEPTACLE BLOCKStep 1. Check to see if lower lock-drive pins were inadvertently disengagedbefore the upper couplings.Use grip hoist and pull bays together until longitudinal upper couplings can be released (WP 0037 00 and WP 0038 00).Step 2. Check for obstructions between inner-to-inner pontons.Remove obstructions and close gap using roadway tool and crowbaruntil transverse upper couplings can be released (WP 0039 00).END OF TESTING
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