Speedaire 4UP73 User Manual

Form 5S4280
Description
Speedaire twin cylinder, low maintenance, oil-less portable air compressor is designed
for home, farm and medium duty industrial uses with a 50/50 duty cycle. The 3.5 HP
pump and motor assembly on a 20 gallon capacity air tank is equipped with check valve,
unloader valve, pressure switch, safety valve, air regulator, and tank pressure gauge.
Motor includes automatic thermal overload protection. UL listed.
Printed in U.S.A.
03465
0998/239/VCPVP
®
Specifications
Motor HP ............................................... 3.5
Cylinders ............................................. Two
Air Delivery - SCFM @ 90 psi................. 5.9
@ 40 psi ....................8.0
Maximum Air Pressure (psi) .................. 135
Compressor RPM ............................... 1725
Tank Size (Gallons) ................................. 20
Voltage @ 60 Hz, 1-Phase ............. 120/240
Amperage (Amps) ............................. 15/7.5
Overall Dimensions
Model 4UP73.....
L W H Weight
35.75” 19.06” 32.75"
123 lbs.
Figure 1
Unpacking
After unpacking the unit, inspect carefully
for any damage that may have occurred
during transit. Check for loose, damaged
or missing parts.
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with instructions
could result in personal injury and/or property damage! Retain instructions for future reference.
Operating Instructions & Parts Manual 4UP73
Speedaire Permanently
Lubricated Twin Cylinder
Air Compressors
®
Danger
indicates an
imminently hazardous situation
which, if not avoided, WILL result
in death or serious injury.
Important
safety
information - A hazard that
might cause serious injury or
loss of life.
Caution
indicates a
potentially hazardous situation
which, if not avoided, MAY
result in minor or moderate
injury.
NOTE: Note indicates important
information, that if not followed,
may cause damage to equipment.
Safety Guidelines
This manual contains information
that is very important to know
and understand. This information
is provided for SAFETY and to
PREVENT EQUIPMENT PROB-
LEMS. To help recognize this in-
formation, observe the following
symbols.
E
S
P
A
N
O
L
F
R
A
N
C
A
I
S
E
N
G
L
I
S
H
#721Y
D21100-0

Speedaire 4UP73 Specifications

General

Brand	Speedaire
Model	4UP73
Category	Air Compressor
Language	English

Summary

Product Specifications

Risk of Bursting

Risk of Explosion or Fire

Risk of Electrical Shock

Risk from Flying Objects

Risk to Breathing

Risk from Moving Parts

Risk of Falling

Installation

Tools Needed for Assembly

List of tools required for assembly and installation of wheels and shipping boards.

Installing Wheels and Isolators

Instructions for attaching wheels and isolators to the compressor unit.

Location or Air Compressor

Guidance on selecting an appropriate location for the air compressor.

Extension Cord

Recommendations for using extension cords with the air compressor.

Voltage and Circuit Protection

Information on voltage requirements and circuit protection for safe operation.

Grounding Instructions

Essential steps for proper electrical grounding of the compressor.

Break-In Procedures

Operation

Air Compressor Pump

Explanation of how the compressor pump functions to compress air.

Check Valve

Description of the check valve's role in maintaining tank pressure.

Pressure Release Valve

Details on the pressure release valve's function for motor restart.

Regulator

How to adjust and use the regulator to control air pressure output.

Outlet Pressure Gauge

Indicates the air pressure available at the regulator's outlet.

Tank Pressure Gauge

Shows the reserve air pressure within the air tank.

Operating Procedures

Starting

Step-by-step guide for starting the air compressor.

Maintenance

Air Filter Inspection

Procedure for inspecting, cleaning, or replacing the air filter.

Lubrication

Information on the compressor's lubrication requirements (none).

Safety Valve - Inspection

How to inspect the safety valve for proper operation.

Motor

Details on the motor's thermal overload protector and low voltage effects.

Limited Warranty

Troubleshooting Chart

Replacement Parts

Parts List for Compressor Pump

Detailed list of replacement parts for the compressor pump with part numbers.

Parts Illustration for Compressor Pump

Diagram showing numbered replacement parts for the compressor pump.

Parts List for Compressor Pump (Continued)

Continuation of the detailed replacement parts list for the compressor pump.

Repair and Maintenance Kits

List of available repair and maintenance kits for the compressor.