TM 9-2540-205-24&P
TROUBLESHOOTING-CONTINUED
ESPAR V7S - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. HEATER DOES NOT IGNITE (GOES OUT AFTER 3 MINUTES)
Step 1. Check for blocked air inlet or exhaust pipe.
Clear all passages to and from heater (refer to applicable vehicle technical
manuals).
Step 2. Check for adequate fuel supply.
Troubleshoot vehicle fuel system (refer to applicable vehicle technical manu-
als).
Step 3. Check for defective glow plug (1) as follows:
a.
b.
c.
d.
e.
f.
Remove hood (3-135).
Remove glow plug (1) (page 3-138).
Connect leads (2) to glow plug (1 ), and ground glow plug (1 ) to heater housing
(3).
Start heater (page 2-61 ).
Look to see if glow plug (1) turns bright red hot.
1. If glow plug (1) turns red hot, install (page 3-138).
Go to step 6.
2. If glow plug (1) does not turn red hot, replace (page 3-138).
Install hood (page 3-135).
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