Graco 17C489 Manual De Usuario

1.

Remove packing nut and throat 

adjustment spacer. Retaining nuts are 

not removable and not sold separately.

2.

Unscrew cylinder from intake valve.

3.

Dissemble intake valve. Clean and 

inspect. O-ring may require a pick for 

removal.

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Retaining

Nuts

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If using a pick to remove the O-ring use care 

to avoid damage to the machined surfaces.

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