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1
OPERATING INSTRUCTION MANUAL
FOR NARA ROTARY VANE 2 STAGE VACUUM PUMPS, MOT-085 & MOT-140
I
M PORTANT
: THIS UNIT HAS BEEN DRAINED FOR SHIPMENT.
DO NOT ATTEMPT TO OPERATE WITHOUT ADDING OIL.
** Dual free voltage 110V/220V : You may select voltage by changing the switch on the rear of vacuum pump.
CAUTION
: 1. Try to change only after disconnecting of Pump cord.
2. Use standard tools for this work .
3. Do not try with wet hands
In order to make the best use of your investment, familiarize yourself with the new features and operating
instructions before starting pump. With just routine care your Nara vac uum pump will give you years of reliable
service by following proper maintenance guidelines. Nara vacuum pump are designed for deep vacuum work in
refrigeration systems only.
Each Nara vacuum pump has been factory tested to guarantee 25 micron or better and listed CFM performance.
The serial number has been recorded. Complet e and mail the Warranty Registrat ion card within 10 days of
purchase to validate your warranty. You will be notified of any technical updates.
25,400 Microns = 1
”
SPECIFICATION
MOT-085
MOT-140
Note
Pumping speed
50Hz
70
ℓ
/min, 2.5 CFM
116
ℓ
/min, 4 CFM
60Hz
85
ℓ
/min, 3 CFM
140
ℓ
/min, 5 CFM
Ultimate vacuum
pressure
GB. Closed
5 x 10
-3
Torr
GB. Open
5 x 10
-2
Torr
Motor speed
50Hz
1430 RPM
60Hz
1725 RPM
Voltage/Hz
Dual voltage 110/220V, Dual cycle 50/60Hz