PROBLEM

CAUSE

CORRECTION

Pressure reading

It is normal for "some"

If there is an excessive amount

on the outlet

pressure drop to occur.

of pressure drop when the

pressure gauge

 

accessory is used, adjust the

 

regulator as instructed in the

(if equipped)

 

 

Operation section.

drops when an

 

 

NOTE: Adjust the regulated

accessory is

 

 

pressure under flow conditions

used.

 

 

(while accesory 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.

 

 

 

 

Compressor is

Prolonged excessive use

Decrease amount of air usage.

not supplying

of air.

Check the accessory air

enough air

Compressor is not large

to operate

enough for air requirement.

requirement. If it is higher than

accessories.

 

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.

 

 

Loose belt.

Loosen wingnut and then

 

 

 

tighten wingnut until it contacts

 

 

 

the washer, plus one turn.

 

 

 

 

Restricted air

Dirty air filter.

Clean or replace. See "Air

intake.

 

Filter" paragraph in the

 

 

 

"Maintenance" section.

 

 

 

Regulator knob

Damaged regulator.

Replace.

has continuous

 

 

air leak.

 

 

 

 

 

Regulator will

Damaged regulator.

Replace.

not shut off air

 

 

outlet.

 

 

 

 

 

 

25- ENG

A09713

Page 25
Image 25
Craftsman 919.195411 owner manual Pressure reading