Kohler CV1000 User Manual download pdf (Page 98)

Section 9

Inspection and Reconditioning

9.6

Normal:ȱȱĞȱȱȱȱȱȱȱ

can be reconditioned and reused if the face and

margin are in good shape. If a valve is worn to where

the margin is less than 1/32" do not reuse it. The valve

shown was in operation for almost 1000 hours under

controlled test conditions.

Bad Condition: The valve depicted here should be

replaced. Note the warped head; margin damaged

ȱȱǯȱȱȱȱȱĴȱ

to excessive hours or a combination of poor operating

conditions.

Leakage: A poor grind on face or seat of valve will

allow leakage resulting in a burned valve on one side

only.

Coking: Coking is normal on intake valves and is not

harmful. If the seat is good, the valve could be reused

Ğȱǯ

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Kohler CV1000 User Manual Page 98