TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 161 of 1563
TM 9-2815-220-24 GENERATOR ABNORMAL OPERATION (300 AMPERE) 0022 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: Not charging (indicator reads in “yellow” same as battery reading with engine stopped and master switch “ON”). PROBABLE CAUSE CORRECTIVE ACTION (1) Check battery condition. a. Battery cables or terminals loose, corroded, broken or disconnected (connector nuts not tightened). (2) Inspect and repair cables and terminals (refer to pertinent vehicle technical manual). (1) Check circuits and voltage regulator (refer to pertinent vehicle technical manual). b. Defective electrical circuits or voltage regulator. (2) Repair and replace as necessary (refer to pertinent vehicle or generator technical manual). (1) Check circuits and generator (refer to pertinent vehicle or generator technical manual). (2) Repair and replace as necessary (refer to pertinent vehicle technical manual). c. Generator failed. (3) Perform Generator Electrical Failure Test as follows: PROCEDURE OBSERVATION ANALYSIS Remove generator from engine. Debris and odor indicates generator burned out. Rotational bind indicates failure. Inspect generator windings and insulation (accessible through drive end plate), and check for free rotation of drive shaft turning shaft by hand. Damaged winding – burned insulation debris, and odor – also observe for debris in drain tubes and freeness of rotation, of generator shaft. If above not evidenced, generator may have electrical failure or drive gear assembly failure. PROBABLE CAUSE CORRECTIVE ACTION c. (Continued) Generator failed. (4) Replace generator (WP 0052, Generator Replacement – 300 Ampere). WP 0022 00-1