TM-9-2350-238-20-1
HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1994
TM-9-2350-238-20-1 - Page 82 of 1364
TM 9-2350-238-20-1
2-11. TROUBLESHOOTING INFORMATION (CONT).
Table 2-3. UNIT TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
6.
ENGINE OVERHEATS (CONT).
Step 7.
Remove, inspect, and test thermostats. Refer to page 2-534.
Replace thermostats as required. Refer to page 2-534.
Step 8.
Check exterior of radiators for damage.
Replace radiators as required. Refer to page 2-515.
Step 9.
Flush cooling system. Refer to TM 750-254. Check for faulty engine coolant
temperature indicator and transmitter.
Troubleshoot engine coolant temperature indicator circuit. Refer to
Electrical Circuit Symptom Index, page 2-92.
Step 10.
If problem still exists, notify direct support maintenance.
EXCESSIVE EXHAUST SMOKE (BLACK SMOKE) AFTER ENGINE WARMUP.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Check for stuck or damaged exhaust valves.
Replace stuck or damaged exhaust valves. Refer to page 2-514.
Check for plugged engine intake air duct.
Clean, repair, or replace as required. Refer to page 2-457.
Check for plugged or damaged intake air separators.
Clean, repair, or replace as required. Refer to page 2-446.
Check for plugged turbocharger air intake duct and screen.
Clean, repair, or replace as required. Refer to page 2-459 or
page 2-460.
Check for damaged intake air cleaner and filter element.
If damaged, repair as required. Refer to page 2-446.
2-56
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