Specifications

For maximum performance, Promax recommends changing vacuum pump oil after each

use.

The condition and type of oil used in any high vacuum pump are extremely important in

determining the ultimate attainable vacuum. Promax recommends the use of Robinairs

Premium High Vacuum Pump Oil.

This oil has been specifically blended to maintain maximum viscosity at normal running

temperatures and to improve cold weather starts.

Robinair Premium High Vacuum Pump Oil is available in handy quart containers or in

convenient gallon containers. Order by part number:

13119 — Pint (shipped 12 pints per case)

13203 — Quart (shipped 12 quarts per case)

13204 — Gallon (shipped 4 gallons per case)

VACUUM PUMP MAINTENANCE

VACUUM PUMP OIL CHANGE PROCEDURE

Vacuum

Pump Oil

1. Warm up the vacuum pump by running:

a. Place a cap on the inlet port

b. Turn Mode knob (Yellow) to "Vacuum"

c. Turn on "Power" switch

d. Press "Start" switch

e. Run for 2 minutes and then turn off power.

Note: ProVax inlet gauge does not indicate vacuum level.

Use a separate vacuum gauge to observe vacuum level.

2. Unplug unit from power source

3. Place ProVax on a raised surface, with oil drain plug on the bottom of the unit exposed

4. Place a suitable container under drain plug

5. Remove OIL FILL cap

6. Remove OIL DRAIN cap

7. Drain oil into container until flow of oil has completely stopped

8. Replace the OIL DRAIN cap

9. Fill oil reservoir with new vacuum pump oil until oil just shows at of bottom of the sight

glass. The approximate oil capacity is 15 ounces.

10. Be sure the inlet port is capped and TURN ON vacuum pump (see step 1)

11. Allow pump to run for one minute, then check the oil level. If the oil is below the sight glass

OIL FILL line, add oil slowly (while pump is running) until the oil reaches the OIL LEVEL line.

12. Replace the OIL FILL cap, making sure the inlet is capped and the drain cap is tight.

OIL FILLER CAP

OIL DRAIN CAP

OIL FILLER CAP

OIL DRAIN CAP