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 TM 55-1905-223-24-1
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEP 6.
Check for turbocharger seal malfunctioning.
Replace turbocharger. Refer to para. 2-19.
10. Lube Oil in Coolant or Coolant in Lube Oil.
STEP 1.
Inspect cylinder head cracked/porous or cylinder head gasket for leaking.
Replace head or gasket. Refer to para. 2-34.
11. Fuel in Lube Oil.
STEP 1.
Check if top injector O-ring damaged.
Check injectors. Replace preformed packings if necessary. Refer to para.2-31.
STEP 2.
Check for damaged injector plunger.
Replace the injector. Refer to para. 2-31.
STEP 3.
Check for damaged injector cup.
Replace injector. Refer to para. 2-31.
STEP 4.
Check if cylinder head cracked or porous.
Replace cylinder head. Refer to para 2-34.
12. Engine Cranking, But Will Not Start (No Exhaust Smoke).
STEP 1.
Check for fuel in tank and proper alignment of values. Refer to TM 55-1905-223-10.
Add fuel, align valves.
STEP 2.
Check if fuel filter plugged or suction line restricted.
Replace fuel filter elements (PMCS Table 2-1, Item 8). Inspect fuel hose for restrictions.
STEP 3.
Check if fuel in pump.
Prime fuel pump. Refer to para. 2-5.
STEP 4.
Check for fuel to injectors.
Loosen fuel pump output while cranking engine. If no fuel output, replace the pump. Refer to para.
STEP 5.
Check if fuel connections loose on suction side of fuel pump.
Tighten all fuel filter fittings and connections from fuel tank to fuel pump.
STEP 6.
Inspect for intake or exhaust system restricted.
Check intake and exhaust system for restrictions.
2-26
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