Maintenance of Major Components
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5.3.2. Oil filter
z
This oil filter mounted in this engine is a
full flow type, so it is necessary to
replace it with a new one at the specified
intervals.
5.3.3. Diagnostics and troubleshooting
Complaints Possible causes Corrections
1. Oil consumption
excessive
z
Poor oil
z
Use suggested oil
z
Oil seal or packing leaky
z
Replace
z
Pistons or piston rings worn
z
Replace pistons and/or piston rings
z
Cylinder liner worn
z
Replace cylinder liner
z
Piston rings sticking
z
Replace pistons and/or piston rings
z
Valve guide oil seals or valve
guides, or valve stem worn
z
Replace
2. Oil pressure too low
z
Poor oil
z
Use suggested oil
z
Relief valve sticking
z
Replace
z
Restrictions in oil pump strainer
z
Clean strainer
z
Oil pump gear worn
z
Replace
z
Oil pump feed pipe cracked
z
Replace
z
Oil pump defective
z
Correct or replace
z
Oil pressure gauge defective
z
Correct or replace
z
Various bearings worn
z
Replace
3. Oil deteriorates quickly
z
Restriction in oil filter
z
Replace filter element
z
Gases leaking
z
Replace piston rings and cylinder liner
EFM2010I
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