TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 ENGINE OVERHEATS (OLD VSFD CONFIGURATION)—Continued 0014 00 4Y 1. Inspect engine coolant pump drive belt tension (WP 0239 00). 2. Is drive belt in good condition and in proper adjustment? YES NO 4YN 1. Replace and/or adjust coolant pump belt (WP 0239 00), and (WP 0240 00). 2. Verify no faults found. 5Y 1. Inspect ventilating fan drive belt tension (WP 0242 00). 2. Is drive belt in good condition and in proper adjustment? YES NO 5YN 1. Replace and/or adjust ventilating fan drive belt (WP 0242 00) and (WP 0243 00). 2. Verify no faults found. 6Y WARNING Moving parts of power unit can seriously injure you. Clear personnel away from power unit before startup. Stay clear of moving parts when power unit is running. 1. Turn MASTER SWITCH ON. 2. Start engine (see your -10). 3. Run engine until coolant temperature indicator reads 200 degrees. 4. Observe ventilating fan (1) operation. 5. Does ventilating fan rotate? YES NO GO TO BY (PAGE 0014 00-5) 0014 00-2 Change 2