TM 9-2350-277-20-1
ENGINE OVERHEATS—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
