Emerson SZV22 Manuale Utente

1.  Turn the knob on the backseating control valve fully 

counterclockwise.

2.  Remove the protective cap from the Schrader valve on 

the fi rst-stage oil separator (shown at right) and connect 
the backseating control valve.

3.  Connect one end of the oil transfer hose to the back-

seating control valve.

4.  Connect the opposite end of the hose to the oil transfer 

pump.

5.  Connect the 6” (152mm) extension hose to the oil 

transfer pump.

6.  Pour PAO oil into a clean container and install the oil transfer pump.

7.  Turn the knob on the backseating control valve clockwise to open the Schrader valve. 

 When pressure is applied to the oil pump, the handle may extend rapidly.

8.  Move the pump handle slowly using long, slow, full strokes on the pump handle to transfer oil into the 

Compressor until the desired oil level is reached. One full pump stroke dispenses 1.6 oz. (47ml) of oil 
(see 4.3 - Checking the Oil Level on page 21). 

9.  After adding the same amount of oil that was drained from the Compressor Module, start the 

Compressors and verify that the operating oil level is correct (see 4.3 - Checking the Oil Level on 
page 2). If necessary, adjust the oil level (see 4.5.1 - Topping the Oil Level on page 22).

10.  Turn the knob on the backseating control valve counterclockwise to close the Schrader valve.

11.  Replace the protective cap on the Schrader valve.

12.  Return the Compressor Package to service.

13.  Check for leaks at all fi ttings that have been disturbed.