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Robinair Model 15401 User Manual

Page 2

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Table of contents

Robinair

®

high performance

vacuum pumps .....................................................2
Pump components................................................3
Warnings .............................................................3
Before using your vacuum pump ..........................4
To use the gas ballast feature...............................5
To shut down your pump after use .......................5
To maintain your high vacuum pump ....................5
Vacuum pump oil .............................................5
Oil change procedure ......................................5
Cleaning your pump.........................................5
Motor lubrication .............................................5
Troubleshooting guide ..........................................6
Failure to start.......................................................6
Oil leakage .......................................................6
Failure to pull a good vacuum..........................6
Pump specifications..............................................6
Replacement parts ...............................................7
Warranty coverage ...............................................7
Out of warranty ................................................7

Operating Manual

2

Robinair

®

high performance

vacuum pumps

Congratulations on purchasing one of Robinair’s

top quality vacuum pumps. Your pump has been

engineered specifically for air conditioning and

refrigeration service, and is built with Robinair’s

proven offset rotary vane for fast, thorough

evacuation.
You’ll appreciate these key features . . .
Iso-Valve

TM

Allows the pump to be shut off while still connected to

the A/C-R system, which is handy for checking rate

of rise. With the valve handle in the OPEN position,

the pump is open to the system being evacuated.

In the CLOSE position, the pump is isolated from

the system. This minimizes pump oil pulled into

the pumping module, making start-up easier and

reducing wear and tear on the pump components.
High vacuum rating
The two-stage, offset rotary vane design provides

powerful, quiet, high vacuum capability and ensures

moisture removal, while the high pumping capacity

reduces evacuation time.
Lifetime filtration
The intake filter prevents foreign matter from entering

the pumping chamber, and an internal exhaust filter

separates oil vapor from the exhaust flow.
Directed exhaust
The exhaust is expelled through the handle to direct it

away from the service technician.
Gas ballast
A precise amount of atmospheric air is introduced

into the pump, preventing condensation of moisture

vapor and helping maintain the purity of the pump oil.

By using the gas ballast, the pump operates more

efficiently and pump life is extended.
Sure-grip handle
The one-piece, molded handle makes it easy to carry

the pump to and from job sites, and the handle stays

cool to the touch during operation.
Compact design
The pump measures approximately 40 cm long, while

aluminum housing and offset rotary vanes keep the

pump weight low, making it easy to carry.

For use on A/C-R systems

using CFCs, HCFCs and HFCs

in conjunction with mineral oil,

ester oil, alkylbenzene oil and

PAG oil as lubricants. Not for

use with ammonia or lithium

bromide systems. Not for use

with flammable refrigerants.

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