Westward 3JR71 - User Manual

Westward Operating Instructions and Parts Manual Model 3JR71
Portable Air Compressor
Please read and save these instructions. Read through this owners
manual carefully before using product. Protect yourself and others by
observing all safety information, warnings, and cautions. Failure to
comply with instructions could result in personal injury and/or damage to
product or property. Please retain instructions for future reference.
Description
Low maintenance, oil-less portable air compressor designed for use in the home
with a 50/50 duty cycle. The 20 gallon capacity air tank is equipped with check
valve, unloader valve, pressure switch, safety valve air regulator, and tank
pressure gauge.
Unpacking
Remove unit from carton and
discard all packaging. Save all
literature.
After unpacking unit, inspect
carefully for any damage that
may have occurred during
transit. Check for loose,
missing, or damaged parts.
Shipping damage claim must
be filed with carrier.
Specifications
Length
Width
Height
Shipping Weight
Dimensions
DEV005
D24650
Printed in U.S.A.
4/02 r2
33.38"
16.63" 31.75"
142 lbs.
Model
3JR71
Max.
Pressure
135
SCFM@40
PSIG
8.3
SCFM@90
PSIG
5.8
Current
Required
15 AMP
Volts/Hertz/
Phase
120/60/1
Tank Size
(gallons)
20

Summary

Safety Information

Important Safety Instructions

Hazards

Risk of Explosion or Fire

Details potential ignition from sparks, overheating, and flammable vapors.

Risk of Bursting

Explains conditions that can weaken the tank, causing rust and potential explosion.

Risk from Flying Objects

Warns about compressed air streams causing injuries and propelling particles.

Risk of Electrical Shock

Addresses dangers from electricity, improper use, and unqualified repairs.

Risk to Breathing

Highlights dangers of inhaling compressor air or sprayed material vapors.

Risk of Burns

Alerts users to potential burns from touching hot metal parts.

Risk from Moving Parts

Warns of injury from contact with moving components like pulleys and belts.

Risk of Falling

Discusses dangers of the compressor falling from elevated surfaces.

Risk of Unsafe Operation

Emphasizes consequences of unsafe operation leading to serious injury or death.

Assembly and Installation

Electrical Connections

Grounding Instructions

Operation

Description of Operation

Maintenance

To Check Safety Valve

To Drain Tank

Air Filter Inspection and Replacement

Service and Adjustments

To Replace or Clean Check Valve

To Replace Regulator

Troubleshooting

Troubleshooting Chart

Lists common symptoms, causes, and corrective actions for issues.

Westward 3JR71 Specifications

General

Voltage	Not Available
Free Air CFM @ 90 PSI	4.1
Tank Capacity	20 gal.
Max Pressure	135 PSI
CFM at 90 PSI	4.1
Tank Size	20 gal.
Noise Level	78 dBA