TROUBLESHOOTING
s-9
S-9 Oil becomes contaminated quickly
General causes why oil becomes contaminated quickly
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Intake of exhaust gas due to internal wear
l
Clogging of lubrication passage
l Improper combination
0
Use of improper oil
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Operation under excessive load
Confirm recent repair history
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Degree of use
Operated for long period A
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Engine oil must be added more frequently
8
Non-soecified fuel has been
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When oil filter is inspected, metal particles are found
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When exhaust pipe is removed, inside is found to be dirty with oil
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When compression pressure is measur&d, it is found to be low
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When safety valve is directly inspected,
spring is found to bl
20-154
0
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