PROBLEM

CAUSE

CORRECTION

Pressure reading

It is normal for "some"

If there is an excessive

on the regulated

pressure drop to occur.

amount of pressure drop

pressure gauge

 

when the accessory is used,

drops when an

 

adjust the regulator following

accessory is

 

the instructions in the

used.

 

"Description of Operation"

 

 

paragraph in the "Operation

 

 

Section."

 

 

NOTE: Adjust the regulated

 

 

pressure under flow

 

 

conditions (while accessory is

 

 

being used).

Knocking Noise.

Possible defect in safety

Operate safety valve

 

valve.

manually by pulling on ring.

 

 

If valve still leaks, it should

 

 

be replaced.

 

Defective check valve.

Remove and clean, or

 

 

replace.

 

 

 

Compressor is

Prolonged excessive use of

Decrease amount of air

not supplying

air.

usage.

enough air

Compressor is not large

Check the accessory air

to operate

accessories.

enough for air requirement.

requirement. If it is higher

 

 

than the SCFM or pressure

 

 

supplied by your air

 

 

compressor, you need a

 

 

larger compressor.

 

Hole in hose.

Check and replace if

 

 

required.

 

Check valve restricted.

Remove and clean, or

 

 

replace.

 

Air leaks.

Tighten fittings.

 

Restricted air intake filter.

Clean or replace air intake

 

 

filter. Do not operate the

 

 

air compressor with the

 

 

filter removed. Refer to the

 

 

"Air Filter" paragraph in the

 

 

"Maintenance" section.

Regulator knob

Damaged regulator.

Replace.

has continuous

 

 

air leak.

 

 

 

 

 

21- ENG

A10819

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Craftsman 919.16732 owner manual Being used