TM 9-2350-247-20-1
COOLANT HEATER MALFUNCTIONS—Continued
0086 00
3IY
1. Faulty flame detector switch.
2. Notify your supervisor.
JY
1. Check fuel supply lines for clogged or unserviceable hoses or
fittings.
2. Are fuel supply hoses and lines unclogged and serviceable?
YES
NO
JYN
1. Clear obstruction or replace fuel
hoses/tubing as required
(WP 0475 00).
2. Verify no faults found.
2JY
1. Replace coolant heater (WP 0477 00).
2. Verify no faults found.
0086 00-10
