Oil Change Using External Pressure Source - KAESER SM 8 Service Manual

 Venting the compressor package (see chapter 9.10).
9.14.1

Oil change using external pressure source

 Close the ball valve (1).
 Insert the nozzle (6) in the hose coupling (3) on the oil separator tank (5).
 Connect the nozzle to external pressure source. Pressurize the oil separator tank (5)
until the pressure gauge (2) on the oil separator tank (5) shows approximately
43.5 psig.
 Remove the nozzle (6) from the hose coupling (3) on the oil separator tank (5).
Drain the oil from the oil separator tank:
 Prepare a clean container to catch escaping oil.
Attention!
 Hang the oil drain hose (10) into the container and secure.
 Slowly open the ball valve (9). The remaining pressure in the oil circulation forces out
the oil. When air escapes, close the ball valve (9) immediately.
 Venting the compressor package (see chapter 9.10).
Drain the oil from the oil cooler:
 Prepare an oil container to catch the escaping oil.
 Slowly unscrew the oil drain plug (1). The oil drains under the force of gravity.
 Screw the oil drain plug (1) back in tightly.
1 Oil drain plug (oil cooler)
Maintenance
Before opening or removing pressurized components (pipes, hoses,
tanks, etc.) it is imperative that the compressor package is completely
depressurized.
The container must be large enough to hold the total oil content of the
compressor unit (see chapter 1.7).
Before opening or removing pressurized components (pipes, hoses,
tanks, etc.) it is imperative that the compressor package is completely
depressurized.
Dispose of the old oil according to environmental regulations.
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