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: (Continued) Starter engages but engine does not crank (audible solenoid action or starter gear engagement). PROCEDURE OBSERVATION ANALYSIS Perform compression test to determine if hydrostatic lock has damaged engine (WP 0033, Cylinder Compression Test). Cylinder(s) compression normal (above 330 psi and less than 70 psi differential); go to END OF WORK PACKAGE. No hydrostatic damage. PROBABLE CAUSE CORRECTIVE ACTION d. (Continued) Engine hydrostatic lock. (5) If compression test indicates damage to engine, repair or replace as necessary. e. Engine seized internally. (1) Repair and replace as required. (1) Check transmission (refer to pertinent vehicle technical manual). f. Transmission "locked up". (2) Repair or replace transmission as necessary (refer to pertinent vehicle technical manual). MALFUNCTION 3: Starter drive spins, but engine does not crank. PROBABLE CAUSE CORRECTIVE ACTION a. Starter clutch slipping or engagement assembly damaged. (1) Replace starter assembly (WP 0049, Starter Motor Replacement). b. Engine starter drive gear damaged (teeth milled). (1) Remove starter (WP 0049, Starter Motor Replacement) and inspect engine drive gear (WP 0157, Starter Drive Mechanism Repair). END OF WORK PACKAGE WP 0006 00-4