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MAINTENANCE
5.6 COOLING SYSTEM
Check Coolant Level and Condition
The engine coolant level should be checked daily
before starting the engine. Insufficient coolant will
cause the engine to overheat.
!
WARNING
Hot coolant and steam. Can cause severe injury
or death.
Before removing the pressure cap, stop the engine
and allow it to cool. Then loosen the pressure cap to
relieve pressure.
Check coolant level:
1. Open the radiator cap slowly in order to release the
pressure in the system.
2. Maintain the coolant level in the coolant overflow
bottle between the High and Low markings. See
"Coolant Recommendations" on page 26.
NOTE:
Periodically check the coolant level by removing the
radiator's pressure cap. Do not rely solely on the level
in the coolant overflow bottle.
3. Install and tighten the radiator cap.
Check coolant condition:
Engine coolant should be uniformly colored and
transparent. Replace the coolant if it is dirty,
discolored, or fouled with oil or rust particles.
Rusty coolant may indicate corrosion inside the
radiator. Oil in the coolant indicates a leak somewhere
in the lubrication system. Contact a KOHLER
authorized distributor/dealer if either of these
conditions exist.
38 Maintenance
Check Hoses and Clamps
Check the condition of the coolant system hoses and
clamps every 10 hours of operation.
Hoses:
• Inspect the hoses for cracks, abrasions, cuts,
bulges, swollen ends, or leaks.
• Squeeze the hoses. They should yield slightly to
moderate pressure and not feel too hard, too soft,
or spongy.
• Replace faulty hoses before operating the engine.
Clamps:
• Verify that all clamps are in place.
• Adjust and tighten clamps as needed.
TP-6901 3/16a
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