TM 9-2350-277-20-1
PERSONNEL HEATER MALFUNCTIONS—Continued
0086 00
FY
1. Remove heater control box (WP 0702 00).
2. Check continuity between lead ends of heater output jack (1), pin
A (2), and ON/OFF/START switch terminal 14 (3).
3. Does multimeter read 0 ohms?
YES
NO
FYN
1. Replace faulty lead (WP 0702 00).
2. Verify no faults found.
F2Y
1. Replace heater ON/OFF/START switch (WP 0702 00).
2. Verify no faults found.
GY
1. Is heater exhaust cold?
YES
NO
GYN
1. Replace heater (WP 0703 00 or
WP 0704 00).
2. Verify no faults found.
G2Y
1. Loosen fuel inlet line (1) to heater with heater switch on START.
2. Does fuel fail to flow out of loosened fitting?
YES
NO
G2YN
1. Replace heater (WP 0703 00 or
WP 0704 00).
2. Verify no faults found.
0086 00-9
