TROUBLESHOOTING - TM-5-3895-349-14-P0416

TROUBLESHOOTING

TESTING AND ADJUSTMENT

Problem

Cause

Correction

21. ENGINE HAS LOW OIL

Defect in Oil Pressure Gauge

Install new gauge.

PRESSURE

Check the operation of bypass valve for the filter. Install new oil filter elements if

Dirty Oil Filter or Oil Cooler

needed. Clean or install new oil cooler core. Remove dirty oil from engine. Put

clean oil in engine.

Diesel Fuel in Lubrication Oil

Find the place where diesel fuel gets into the lubrication oil. Make repairs as

needed. Remove the lubrication oil that has diesel fuel in it. Install a new oil filter

element. Put clean oil in the engine.

Too Much Clearance Between

Check lubrication in valve compartment. Install new parts as necessary.

Rocker Arm Shaft and Rocker Arms

Oil Pump Suction Pipe Has A

Replacement of pipe is needed.

Defect

Relief Valve for Oil Pump Does Not

Clean valve and housing. Install new parts as necessary.

Operate Correctly

Oil Pump Has A Defect

Make repair or replacement of oil pump if necessary.

Check the oil filter for correct operation. Install new parts if necessary.

Too Much Clearance Between

Crankshaft and Crankshaft

Bearings

Too Much Clearance Between

Install new camshaft and camshaft bearings if necessary.

Camshaft and Camshaft Bearings

22. ENGINE USES TOO MUCH

Too Much Lubrication Oil in Engine

Remove extra oil. Find where extra oil comes from. Put correct amount of oil in

LUBRICATION OIL

engine. Do not put too much oil in engine.

Oil Leaks

Find all oil leaks. Make repairs as needed.

Oil Temperature is Too High

Check operation of oil cooler. Install new parts if necessary. Clean the core of the

oil cooler. Check oil cooler bypass valve.

Too Much Oil To Intake Valve

Make reference to ITEM 15.

Guides

Worn Valve Guides

Make reference to ITEM 15.

Worn Piston Rings

Install new parts as necessary