Westward Operating Instructions and Parts ManualModel 3JR70A

Portable Air Compressor

Symptom (s)

Possible Causes (s)

Corrective Actions (s)

Pressure reading

1.

It is normal for "some"

1.

If there is an excessive

on the regulated

 

pressure drop to occur.

 

amount of pressure drop

pressure gauge

 

 

 

when the accessory is

drops when an

 

 

 

used, adjust the regulator

accessory is

 

 

 

following the instructions

used.

 

 

 

in the "Description of

 

 

 

 

Operation" paragraph in

 

 

 

 

the "Operation Section.

 

 

 

NOTE: Adjust the regulated

 

 

 

pressure under flow

 

 

 

conditions (while accessory is

 

 

 

being used).

 

 

 

Compressor is not 1. Prolonged excessive use

1.

Decrease amount of air

supplying enough

 

of air.

 

usage.

air to operate

 

 

2.

Check the accessory

accessories.

2.

Compressor is not

 

 

large enough for air

 

air requirement. If it is

 

 

requirement.

 

higher than the SCFM

 

 

 

 

or pressure supplied

 

 

 

 

by your air compressor,

 

 

 

 

you need a larger

 

 

 

 

compressor.

 

3.

Hole in hose.

3.

Check and replace if

 

 

 

 

required.

 

4.

Check valve restricted.

4.

Remove and clean, or

 

 

 

 

replace.

 

5.

Air leaks.

5.

Tighten fittings.

 

 

 

 

 

Regulator knob

1.

Damaged regulator

1.

Replace

has continuous

 

 

 

 

air leak.

 

 

 

 

 

 

 

 

 

Regulator will

1.

Damaged regulator

1.

Replace

not shut off air

 

 

 

 

outlet.

 

 

 

 

17- ENG

Page 17
Image 17
DeWalt 3JR70A specifications Being used