TM 9-2350-277-20-1
COOLANT HEATER MALFUNCTIONS—Continued
0089 00
G3Y
1. Inspect fuel lines between tee valve (1) and heater (2).
2. Are all lines free from kinks, restrictions, or other damage?
YES
NO
G3YN
1. Replace heater fuel lines as required
(WP 0708 00) thru (WP 0737 00).
2. Verify no faults found.
G4Y
1. Replace coolant heater fuel pump (WP 0723 00).
2. Verify no faults found.
0089 00-10
