International Harvester Company Cub Lo-Boy C-60 Service Manual page 68

1. Low lubricating oil level.
Add sufficient oil to bring level up to
specified mark on level gauge.
2. Clogged oil filter.
Change filter element.
See "Excessive Lubricating Oil .con-
sumption" in this chart.
3.
Oil leaks
Replace.
4.
Engine oil pressure indicator or
line defective.
5. Worn main, connecting rod or
camshaft bearings.
Replace.
6.
Dirt in oil filter relief valve or
relief valve spring broken..
Clean valve or replace spring.
7. Oilpwnpworn
Repair or replace.
8.
Oil diluted or not as specified.
Change oil regularly using correct
grade specified in Operator's Manual.
Lack of Compression
Clean valve guides and stems. Grind
valves if needed.
1. Valves sticking.
2.
Worn pistons, rings and cylinder
walls.
Replace pistons, rings and cylinder
sleeves.
Replace.
3.
Defe~tive cylinder head gasket.
Replace.
4. Broken valve ~ pring.
Smoky Exhaust
1. Engine ,overload.
Reduce load.
2.
Incorrect grade lubricating oil. Use grade of oil specified in Operator's
Manual.
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