Yellow Jacket 93540, 93560, 93580 Specifications

YELLOW JACKET

®

SUPEREVAC™4, 6, 8 CFM Vacuum Pumps

Top to bottom, right to the last detail...

so you pull more, pull fast, and
pull for years without a problem

Pull more.A Y

ELLOWJACKET

pump pulls a vacuum down
to 15 microns and better,
eliminating contaminants that
could cause system failure
and no-charge call-backs. The
smaller the micron number,
the better the vacuum and the
higher your productivity.

Pull fast. Every pump pulls a

vacuum fast, giving you more
time for more calls.

Pull for years. Each all-metal

pump is engineered for the
long run in the field. No
plastic to crack or fall off.
Heavy-duty steel handle
screws into the housing for
secure carrying. Durable base
assembly provides stability
and height.

Designed inside and out for PULLING power and reliability

• High-efficiency 2-stage rotary vane design produces a deep
vacuum field rating of 15 microns and lower.

• Precisely machined and fitted parts with running clearances of less
than .001" generate a very deep vacuum.

• Exclusive built-in vacuum gauge shows evacuation progress down
to the green 29" to 30" range when it’s time to use an electronic
gauge for more precise readings in the low-micron range.

• Large intake fittings (1/2" and 1/4") for maximized flow.

• Hardened cap screws keep pumping module components
tightly together.

• Hardened drive shaft and large bearing provide long life.

• Intake filter screen keeps damaging particles out of the pump.

• Heavy-duty, high torque 1/2 HP, 1725 RPM motor reliably
starts the pump when cold.

• Improved drive coupling transmits consistent power from the motor.

Designed for OILING
ease and reliability

• Large diameter oil fill
port for easy filling and
less mess (also threaded
for exhausting outside
through a garden hose).

• Large reservoir to reduce
operating temperatures
and dilute more
contaminants.

• Large sight glass for easy
monitoring of oil levels.

• Large brass oil drain
plug for easy access.

• Ball valve to isolate
system and to change
oil without losing
vacuum in the system.

• Internal intake check
valve helps prevent oil
back-up during power
failure.

• Gas ballast valve keeps
oil cleaner longer.

Updated housing is balanced
and lighter weight
for easy carrying.
Larger fins for
cooler running.

NEW

DESIGN

NEW

DESIGN

Performance tip on built-in
vacuum indicator gauge –

Every Y

ELLOWJACKET

pump features
an exclusive built-in indicator gauge to
monitor the evacuation progress down to the
green (29"-30") range. If the reading stays
in the mid range, there is either high
contamination or a large leak in the system.

If you think there is excessive moisture,

blow out the AC/R system
with dry nitrogen wherever
possible before connecting
the vacuum pump to the
system.

This reduces the amount of contaminants
that must be "pulled" into the pump and
increases evacuation speed.

Use a nitrogen regulator valve
with pressure limited to 150
PSI, and a frangible disc device
set at 175 PSIG.

System pressure must be reduced
to zero PSI before connecting vacuum pump.

When the indicator reaches the green
(29"-30") range, turn on the Y

ELLOWJACKET

electronic micron gauge for more precise
readings in the low micron range.

10950 Hampshire Avenue S.
Bloomington, MN 55438-2623 U.S.A.
Phone: [phone] • Fax: [phone]
Int’l Fax: [phone]

www.yellowjacket.com

© 2004 Ritchie Engineering Company, Inc. Printed in USA IW-06/04

Gross leak

Turn on

electronic

gauge.

How to speed evacuation

Keep vacuum pump oil clean. Milky oil is
water saturated and limits pump efficiency.
Y

ELLOWJACKET

®

Vacuum Pump Oil is
recommended for use with traditional and
new alternative refrigerants, regardless of
the oil type in the system. This mineral­based formulation is specially refined for
extremely low vapor pressure and high
pump efficiency at all temperatures.

Remove valve cores from both high
and low fittings with a vacuum/charge

valve tool to reduce vacuum time through
this orifice by at least 20%.

Evacuate both high and low sides at
the same time. Use short, 3/8" diameter
and larger Y

ELLOW JACKET hoses.

Y

ELLOW JACKET SUPEREVAC Systems,

including large size valves, hoses, and core
tools, can reduce evacuation time by over
50-60%. These pumps are rated at 15
microns (or less) to pull a vacuum quickly.
Large inlet allows you to utilize the
capacity of a large diameter hose.

• Spare parts for previous models will be stocked. • 93420 2.0 CFM pump still available.

Distributed by:

YELLOW JACKETSUPEREVAC™PUMPS SPECIFICATIONS (4-8 CFM)

Domestic Model 93540 Model 93560 Model 93580

Free air displacement 4.0 CFM 6.0 CFM 8.0 CFM

Number of stages 2 stage rotary vane 2 stage rotary vane 2 stage rotary vane

Field blankoff 15 microns 15 microns 15 microns

Intake 1/4" and 1/2" M. flare 1/4" and 1/2" M. flare 1/4" and 1/2" M. flare

Motor 1/2 hp - 1725 rpm 1/2 hp - 1725 rpm 1/2 hp - 1725 rpm

Internal capacitor Temperature rise 40° C Temperature rise 40° C Temperature rise 40° C
thermal overload

Voltage (single phase) 115 Volt - 60 cycle 115 Volt - 60 cycle 115 Volt - 60 cycle

Power cord 8' - motor mounted switch 8' - motor mounted switch 8' - motor mounted switch

Oil capacity 24 ounces 27 ounces 32 ounces

Dimensions 15.25"L x 6" x 11.5" H 15.25"L x 6" x 11.5" H 16.75"L x 6" x 11.5" H

Net weight 30 lbs. (13.5 kg) 32 lbs. (14.5 kg) 34 lbs. (15.4 kg)

Tips, techniques, and facts for faster evacuation and fewer call backs.

Full Quality Check

As the only manufacturer that completely
tests and runs in pumps at the
factory, Ritchie Engineering ships with
confidence that each pump will meet
your expectations right from the box and
for years to come on the job.

What is a micron as a unit of
measurement for a vacuum?

In weather readings, atmospheric
pressure is measured on a barometer in
“inches of mercury.” In the same way,
a micron unit refers to “microns of
mercury” in a vacuum measurement.
One inch of mercury is equivalent to
about 25,000 microns.

To help clarify terminology, remember
that the deeper the vacuum, the more
complete the vacuum; and the more
complete the vacuum, the lower the
number of microns.

Refer to www.yellowjacket.com for
other technical articles.