TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 ENGINE FAILS TO SHUT DOWN 0013 00 THIS WORK PACKAGE COVERS: Troubleshooting Table and Diagnostic Tests INITIAL SETUP: Tools: General mechanic’s tool kit (item 121, WP 0176) Personnel Required Track Vehicle Repairer (2) 63H10 Equipment Conditions: Engine installed in vehicle or ground hop. MALFUNCTION 1: Engine fails to stop when activating electrical fuel shut-off. PROBABLE CAUSE CORRECTIVE ACTION a. Electrical fuel shut-off malfunction. (1) Listen for audible click while activating and de-activating electrical shut-off. If no audible sound is detected, replace fuel- injection pump (WP 0115, Fuel Injection Pump Assembly Replacement). b. Defective fuel injection pump governor. (1) Replace fuel injection pump (WP 0115, Fuel Injection Pump Assembly Replacement). MALFUNCTION 2: Engine fails to stop with manual fuel shut-off. PROBABLE CAUSE CORRECTIVE ACTION a. Manual fuel shut-off malfunction. (1) Check throttle linkage (WP 0122, Throttle Control and Manual Fuel Shutoff Replace/Repair). (WP 0123 for 2DR) b. Defective fuel injection pump. (1) Replace fuel injection pump (WP 0115, Fuel Injection Pump Assembly Replacement). MALFUNCTION 3: Engine fails to stop when vehicle fuel supply is shut off (engine continues to run for 12 to 14 seconds at idle speed after the fuel is shut off). PROBABLE CAUSE CORRECTIVE ACTION a. Vehicle fuel shut-off valve malfunction. (1) Inspect fuel shut-off valve. Replace as required. Refer to appropriate vehicle manual. END OF WORK PACKAGE WP 0013 00-1 (2 blank)