TM 9-2350-277-20-1
ENGINE OVERCOOLSContinued
0015 00
Y
1. Stop engine (see your -10).
2. Disengage THERMOSTATIC FAN SPEED switch (see your -10).
3. Manually rotate fan drive belt (1).
4. Do fan drive belt and all related pulleys rotate freely?
YES
NO
YN
1. Replace variable speed fan drive unit
(WP 0249 00).
2. Verify no faults found.
2Y
1. Replace engine thermostat (WP 0237 00).
2. Verify no faults found.
0015 00-2