TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE CRANKS BUT FAILS TO START BELOW 50°F (18°C) - CONTINUED.
WARNING
Diesel fuel burns easily. Do not smoke or allow flames nearby. Disconnect batteries when
working on fuel system. Failure to observe these precautions could cause serious injury to
personnel.
Step 19.
Check preheater primer pump (1) for cracks in body or seepage from plunger
stem (2).
a. If preheater primer pump (1) has damage or see page, replace
(page 2-484).
b. If preheater primer pump (1) has no damage or see page, go to
step 20.
Step 20.
Check pressure hose (3) for cracked, broken, or loose condition.
a. If pressure hose (3) is loose at bulkhead fitting (4), tighten using
9/16-inch and 7/16-inch open-end wrenches.
b. If pressure hose (3) is cracked or broken, it must be replaced
(page 2-446).
c. If pressure hose (3) is not cracked, broken, or loose, go to step 21.
Step 21.
Check pressure hoses (5 and 6) for cracked, broken, or loose condition.
a. If pressure hoses (5 and 6) are loose, tighten using 9/16-inch
open-end wrench.
b. If pressure hoses (5 and 6) are cracked or broken, they must be
replaced (page 2-446)
c. If pressure hoses (5 and 6) are not cracked, broken, or loose, go to
step 22.
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