Craftsman 919.167462 Owner's Manual download pdf (Page 20)

PROBLEM CORRECTION

Pressure reading

on the regulated

pressure gauge

(if equipped)

drops when an

accessory is

used.

CAUSE

It is normal for "some"

pressure drop to occur.

If there is an excessive amount

of pressure drop when the

accessory is used, adjust the

regulator as instructed in the

Operation section.

NOTE: Adjust the regulated

pressure under flow conditions

(while accessory is being

used).

Air leak from Possible defect in safety Operate safety valve manually

safety valve, valve, by pulling on ring. If valve still

leaks, it should be replaced.

Decrease amount of air usage.

Prolonged excessive use of

air.

Compressor is not large

enough for air requirement.

Hole in hose.

Check valve restricted.

Air leaks.

Restricted air intake filter

Compressor is

not supplying

enough air to

operate

accessories.

Check the accessory air

requirement. If it is higher than

the SCFM or pressure supplied

by your air compressor, you

need a larger compressor.

Check and replace if required.

Remove and clean, or replace.

Tighten fittings.

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.

Restricted air Dirty air filter. Clean or replace. See Air Filter

intake, paragraph in the Maintenance

section.

Regulator knob Damaged regulator. Have checked by a Trained

has continuous Service Technician.

air leak.

Regulator will Damaged regulator. Have checked by a Trained

not shut off air Service Technician.

outlet.

D30050 20_ ENG

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Craftsman 919.167462 Owner's Manual Page 20

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