Operating Instructions & Parts Manual
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.
Speedaire Permanently
Lubricated Twin Cylinder
Air Compressors
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.
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.
Form 5S4280
®
#721Y
Specifications
Motor HP ............................................... 3.5
Cylinders ............................................. Two
Air Delivery - SCFM @ 90 psi ................. 5.9
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
35.75" 19.06" 32.75" 123 lbs.
Printed in U.S.A.
03465
0998/239/VCPVP
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.
imminently hazardous situation
which, if not avoided, WILL result
in death or serious injury.
@ 40 psi ....................8.0
information - A hazard that
might cause serious injury or
loss of life.
W
H
Weight
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.
D21100-0
4UP73
E
N
G
L
I
S
H
Danger
indicates an
E
S
P
A
N
O
Important
L
safety
Caution
indicates a
F
R
A
N
C
A
I
S
®