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Maintenance, 3 regular maintenance work – Karcher HD 7-250 De Tr1 User Manual

Page 78

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Wartung.pm6.5 - GB

Page 4.8

Maintenance

BOGE Operating instructions for CM 9 series screw compressor module

4.3

Regular maintenance work

Change:

– After the first 500 operating hours.

– After 3000 operating hours,

however, no later than after one year.

– With each oil change!

– Switch off the compressor using the OFF button.

CAUTION: Risk of injury!
Switch off the main switch and secure against unintentional switching-on.

– Close e.g. ball valve at the compressed air outlet.

– Vent the compressor (as described in the beginning of the chapter).

– Wait approx. 3 minutes to permit the oil to settle.

CAUTION: Risk of injury!
Do not touch hot surfaces!

– Slacken screws on service cover and remove cover.

– Take out oil filter cartridge and remove from support body .

– Slide support body in the new oil filter cartridge.

CAUTION!
Over-current / Non-return valve must be fitted facing up.

– Fit oil filter cartridge with support body .

– Check o-rings on service cover for damage and replace if necessary.

– Fit service cover and tighten screws.

– Open ball tap at compressed air exit.

– Switch on compressor and run till it reaches operating temperature.

– Check tightness of service cover and re-tighten screws.

Changing the oil filter

(Fig. 4.4)

6

1

4

5

6

3

Fig. 4.4: Changing the oil filter / Changing the oil separators

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