Karcher HD 7-250 De Tr1 - Manual (Page 73)

Wartung.pm6.5 - GB
Page 4.3
Maintenance
BOGE Operating instructions for CM 9 series screw compressor module
Maintenance intervals The maintenance intervals specified in the table are based on average oper-
ating and ambient conditions.
Extreme conditions may require shorter maintenance intervals.
Note down any maintenance work in the table on the last page.
This will facilitate trouble shooting for BOGE service.
Oil change
When using a mineral oil or any oil suitable for the foodstuff industry change
oil, oil filter and nozzle with dirt catcher after the initial 500 operating hours.
Maintenance work Maintenance intervals in operating hours 1) Page
weekly / 1000 1500 3000 9000
monthly annually annually annually every
2 years
General maintenance work
Check final compression temperature
(set point value: 70 – 100 ° C)
w –
Check compressor for leaks X –
Check function of EMERGENCY STOP button m –
Clean oil cooler X 4.11
Air circuit
Check and if necessary change suction filter m 4.6
Change suction filter cartridge X 4.6
Check safety valve X 4.12
Replace minimum pressure valve (wearing parts set) X –
Replace suction controller (wearing parts set) X –
Replace solenoid valve X –
Oil circuit
Check oil level and top up as required 2) X 4.7
Change oil separator 2) X 4.9
Change oil filter 2) X 4.8
Change oil 2) X 4.9
Replace oil regulator (wearing parts set) X –
Replace nozzle with dirt catch X –
Drive (on site)
4.2 General
1) If the compressor is not often used, undertake the maintenance according to the specified intervals (weekly / monthly / annually) depending
on the number of operating hours.
2) The specified intervals only apply when BOGE compressor oil Syprem 8000 S is used! The service life may differ depending on the ambient
temperature. In this case have the oil analyzed by your BOGE service!