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TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-1 ENGINE OVERHEATS — Continued 0007 00 8Y 1. Allow system to remain pressurized for 5 minutes. 2. Does pressure drop less than one psi? 8YN 1. Internal coolant system leak. 2. Notify your supervisor. 9Y 1. Check to see if thermostat has been replaced. 2. Has thermostat been replaced? 9YN 1. Replace thermostat (WP 0200 00). 2. Verify no faults found. 10Y 1. Replace coolant pump (WP 0197 00). 2. Verify no faults found. BY 1. Stop engine (see your -10). 2. Remove ventilating fan drive belt (WP 0211 00). 3. Manually rotate ventilating fan drive shaft pulley (1). 4. Does fan spin freely? BYN 1. Notify your supervisor. B2Y 1. Faulty transfer gear case. 2. Notify your supervisor. 0007 00-5/6 blank