Unit Maintenance Troubleshooting - Continued
TEST OR INSPECTION
Check turbocharger plumbing and oil feed lines for damage or obstructions.
If there is no oil flow through oil feed line, replace oil feed lines (para 2-39).
Check turbocharger mounting. Tighten mounting bolts (para 2-40).
Check engine exhaust system for obstructions. Remove obstructions from exhaust system.
Check magnetic pickup wiring for continuity, breaks, burrs, or fraying. Check for loose or damaged
Replace wires or connectors if broken or damaged (para 2-28 and 2-30).
Check field instrument layout wiring for continuity, breaks, burrs, or fraying. Check for loose or damaged
Replace wires or connectors if broken or damaged (para 2-30).
Notify direct support maintenance.
ENGINE STARTS BUT PUMP SUCTION GAGE OR PUMP DISCHARGE GAGE DOES NOT FUNCTION
Step 1. Check that suction and discharge valves are in open position.
Step 2. Gauge is damaged.
Replace gauge (para 2-28).
DENSE EXHAUST SMOKE AFTER WARMUP
Step 1. Shut down engine. With engine level, check oil.
Step 2. Check air cleaner intake restriction indicator for red band indicating blocked air cleaner elements.
If red band appears in air cleaner restriction indicator and rain cap is not blocked and no damage to
system components is found, replace primary and secondary elements (para 2-38).
Step 3. Check air intake piping for damage or obstructions.
Remove obstructions; repair or replace (para 2-38).
Step 4. Check turbocharger for leaking oil seals.
If air filter and intake ducts are not blocked, replace turbocharger.