TM 5-3805-248-23-1
ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0009 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
Engine Starts but Fails to
2.
Check fuel for contamination.
Keep Running - Continued.
a. Open draincock (WP 0034 00) and
1. Drain fuel tank (WP 0034 00)
drain into clean glass container. If
completely.
container is 1/4 full of water, or if dirt 2. Replace fuel filters (WP 0037 00 or WP
is evident, fuel is contaminated.
3. Fill fuel tank with correct grade of clean
fuel (TM 5-3805-248-10).
4. If fuel is not contaminated, go to Step b.
1. Clean lines with compressed air and
b. Disconnect fuel lines (WP 0030 00
reconnect (WP 0030 00 and WP 0035
and WP 0035 00) and check for
obstruction.
2. Replace fuel filters (WP 0037 00 and WP
3. Go to Test 3.
3.
Inspect fuel lines and connections for
1. If a leak is at a connection, tighten.
leaks, obstructions and damage.
2. If a leak results from cracked, split or
damaged tubing, replace tubing (WP
0030 00 and WP 0035 00).
3. If lines are OK, go to Test 4.
4.
Check engine low idle speed.
1. Adjust governor low idle RPM (WP 0274
00).
2. If idle speed is OK, go to Test 5.
5.
Perform cylinder balance test (WP
1. Replace nozzle for suspect cylinder (WP
0272 00).
2. Go to Test 6.
6.
Check for defective or leaking fuel
1. Replace pump(s) (WP 0273 00).
injection pump(s).
2. Replace transfer pump (WP 0275 00).
0009 00-6
