Kaeser Screw Compressor SK19

Clean the filter mat every week depending on the dust content of the intake air and replace if necessary as detailed in the maintenance schedule (see chapter 9.2).

Switch off the compressor package (see chapter 8.3).

Lock the main disconnect switch in the ”off” position in accordance with applicable lockout/tagout procedures to ensure the compressor does not restart.

Press closures (3) inwards and remove the holding frame.

Cleaning: Rinse the mat in warm water ( approximately 105F), if necessary, use a mild detergent soap to rinse out oily dust. The mat can also be tapped, vacuum cleaned or blown out with compressed air (not in excess of 30 psig).

Attention!: If the mat is heavily soiled or has been cleaned often (maximum five times), replace it.

Locate the holding frame and press into position.

The holding frame is secure when the closures engage.;

The oil cooler and air aftercooler must be checked for clogging regularly. Heavy contamination could lead to excessive temperatures in the oil circulation system.

See regular maintenance schedule for cooler maintenance interval (chapter 9.2).

Switch off the compressor package under full load (see chapter 8.3).

Lock the main disconnect in the ”off” position in accordance with applicable lock out/tag out procedures to ensure the compressor does not restart.

Before opening or removing pressurized components (pipes, hoses, tanks, etc.) it is imperative that the compressor package is completely depressurized.

Venting the compressor package (see chapter 9.10).

9.13.1 Removing and cleaning the oil cooler/air aftercooler:

Unscrew the hose connector (2) and the pipe connector (3) from the combination valve.

Unscrew the Allen screws (1) on the aftercooler.

Warning: Ensure the compressor is shut down and locked in the 'off' position before starting.

Vent the compressor package before opening or removing pressurized components.

Is the oil level at the maximum mark?

If not, unscrew the oil filler plug on the oil separator tank.

Top off the oil to the maximum mark.

Is the gasket ring of the filler plug damaged?

If not, screw in the filler plug.

Open the isolation shut-off valve between the compressor and the compressed air system.

After an oil change or oil cooler cleaning, run the compressor package up to operating temperature.

Warning: This test requires trained personnel with PPE!

Refer to chapter 1.5 for the safety relief valve activating pressure.

Have the safety relief valve tested by an authorized KAESER distributor in accordance with the maintenance schedule (see chapter 9.2).

For more details see SIGMA CONTROL manual.

Compressor run so that its discharge pressure exceeds the maximum pressure set on the SIGMA CONTROL?

Enter the discharge pressure of the compressor

Safety relief valve activated at the correct pressure?

Sign off on the safety relief valve test

Attention!: Replace the run--in oil filter cartridge with a standard oil filter cartridge (supplied with the compressor) after approximately 200 operating hours.

Change the oil fillter cartridge according to the regular maintenance schedule (see chapter 9.2) or when the corresponding service message is displayed on SIGMA CONTROL (see chapter 8.1).

It is recommended that the oil filter cartridge is replaced always when the oil is changed.

Removal and replacement of the oil filter cartridge

Stop the compressor package under full load (see chapter 8.3).

Lock the main disconnect in the ”off” position in accordance with applicable lock out/tag out procedures (example: OSHA CFR 29 § 1910.147) to ensure the compressor does not restart.

Before opening or removing pressurized components (pipes, hoses, tanks, etc.) it is imperative that the compressor package is completely depressurized.

Venting the compressor package (see chapter 9.10).