Karcher HD 7-250 De Tr1 - Manual (Page 70)

Aufstellung.pm6.5 - GB
Page 3.6
Installation
BOGE Operating instructions for CM 9 series screw compressor module
Commissioning
following extended
stoppages
Fig. 3.1:
Suction controller
ATTENTION!
Always check the rotational direction of the drive motor prior to commission-
ing/initial start up.
Even brief operation in the wrong direction of rotation (more than approx.
5 seconds) may cause total destruction of the air end!
Ensure that the rotational direction coincides with the rotational direction
arrow on the air end.
– Switch the compressor on and immediately off again to check the rota-
tional direction.
Undertake the following to prevent leaks:
– Check screw connection of the lines and retighten, if necessary.
If an extended stoppage is scheduled, you should contact BOGE-Service
beforehand.
Following an extended stoppage of more than 2 months, fill a small amount
of oil in the suction controller prior to starting the compressor.
ATTENTION!
Only fill the suction controller with the grade of oil used to operate the com-
pressor. Never mix different oil grades and brands.
CAUTION: Risk of injury!
Switch off main switch and secure against unintentional switching-on.
– Unscrew the plug on the suction controller .
– Fill approx. 1 /
4
l compressor oil into the suction controller.
– Reclose the controller using the plug.
– Turn compressor stage at the shaft by hand 5- to 10 times to spread the
oil evenly.
Checking
the rotational
direction
3.4 Commissioning
Checking for leaks
1