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 CRANK 0006 00 MALFUNCTION 2: Starter engages but engine does not crank (audible solenoid action or starter gear engagement). PROBABLE CAUSE CORRECTIVE ACTION a. Starter engagement assembly damaged. (1) Remove starter and inspect assembly. Repair or replace starter (WP 0049, Starter Motor Replacement). b. Starter drive gear damaged. (1) With starter removed, inspect engine starter driven gear (WP 0157, Starter Drive Mechanism Repair). c. Starter failure. (1) Replace starter assembly (WP 0049, Starter Motor Replacement). d. Engine hydrostatic lock. (1) Investigate as follows: PROCEDURE OBSERVATION ANALYSIS With Master switch "ON," hold fuel shut- off (engine "stop") switch in the off position. Audibly note normal starter engagement action. Starter energized and engagement proper. Press starter switch momentarily (about 3 seconds). Engine does not crank. Fluid in cylinder chamber causing hydrostatic lock. Hydrostatic damage to engine may exist. PROBABLE CAUSE CORRECTIVE ACTION (2) Remove shroud and access covers for access to injector nozzles (WP 0090, Engine and Transmission Oil Cooler Access Covers and Frames Replacement, and WP 0055, Top Shroud and Mounting Brackets Replacement). (3) Remove all fuel injector nozzles (WP 0114, Fuel Injector Nozzles and Holder Repair). d. (Continued) Engine hydrostatic lock. (4) Clear intake manifolds as follows: PROCEDURE OBSERVATION ANALYSIS If knock occurs, cease cranking. Connecting rod or piston damage exists. Hold fuel shut-off (engine "stop") switch, and crank engine several revolutions (5-10 seconds). Note fluid blown from cylinders. Combustion chamber clear. WP 0006 00-3