TM 5-3805-255-14
0016
Table 1. Engine Troubleshooting Procedures for the H100C Loader - Continued.
016
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check for defective or improperly
Adjust, repair, or replace fuel injection
3. Excessive Engine Speed
adjusted fuel injection pump.
pump (WP 0028). If problem still
(RPM).
exists, notify Sustainment Mainte-
nance.
1. Check for defective gauge.
Replace gauge. If problem still exists,
4. High Coolant Tempera-
go to step 2.
ture.
2. Check for low coolant level.
Add correct amount and type of cool-
ant (WP 0018). If problem still exists,
go to step 3.
3. Check for collapsed coolant
Replace defective hose (WP 0036). If
hose(s).
problem still exists, go to step 4.
4. Check for damaged radiator tubes
Clean, repair or replace radiator
or fins.
(WP 0036). If problem still exists, go
to step 5.
5. Check for stuck thermostats.
Replace thermostats (WP 0037). If
problem still exists, go to step 6.
6. Check for defective water pump.
Replace water pump (WP 0023). If
problem still exists, go to step 7.
7. Check for loose fan belts.
Adjust or replace fan belt (WP 0018).
If problem still exists, go to step 8.
8. Check for cylinder head gasket
If leakage is present, notify
leakage.
Sustainment Maintenance.
1. Check for defective gauge
Replace gauge. If problem still exists,
5. Low Coolant Tempera-
(WP TBD) check for defective
go to step 2.
ture.
sending unit (WP 0043).
2. Check for incorrect or inoperative
Replace thermostats (WP 0037). If
thermostats.
problem still exists, notify Sustainment
Maintenance.
1. Check for defective turbocharger.
Inspect, repair, or replace turbo-
6. Excessive Exhaust
charger (WP 0030). If problem still
Smoke.
exists, go to step 2.
2. Check for excessive air cleaner
Inspect and replace fuel filter
restriction.
(WP 0018). If problem still exists, go
to step 3.
3. Check for intake manifold
Replace manifold gasket (WP 0026).
pressure leakage.
If problem still exists, go to step 4.
4. Check fuel injectors.
Replace fuel injectors (WP 0027). If
problem still exists, go to step 5.
5. Check for overfueling due to
Adjust or replace fuel injector pump
improper adjustment of fuel
(WP 0027). If problem still exists,
injection pump.
notify Sustainment Maintenance.
