HYDAC FILTER SYSTEMS OF7 Operating And Maintenance Instructions Manual page 4

The components of the OF7S90 unit......................................................... 26
Working principle of the unit ..................................................................... 28
Select operating mode ............................................................................... 29
Circulation pumping with filtration .............................................................. 29
Circulation pumping without filtration ......................................................... 29
Hydraulic diagram ....................................................................................... 30
Dimensions ................................................................................................. 31
OF7S10 / OF7K10 ..................................................................................... 31
OF7S90PX2 .............................................................................................. 32
Preparing the unit for operation ................................................................ 33
Emptying unit - preventing oil mixing ......................................................... 33
Setting up the unit...................................................................................... 34
Connecting the motor-pump group ............................................................ 34
Connecting electrically (230 V or 110 V, single phase) .......................... 35
Connecting electrically (400 V, 3 phase) without an on/off switch
or motor protection ................................................................................. 36
Connecting electrically (400 V, 3 phase) with an on/off switch
and motor protection .............................................................................. 37
Pneumatically connecting - compressed air motor (optional) ................. 38
Attaching/connecting the pressure and vacuum hoses ............................. 39
Unit in operation ......................................................................................... 40
Avoid siphoning ......................................................................................... 41
Performing maintenance ............................................................................ 42
Changing the filter cartridge ...................................................................... 43
Cleaning/replacing the suction strainer ...................................................... 46
Suction strainer cleaning interval ........................................................... 47
Removing/installing the hose coupling ................................................... 48
Removing/installing the suction strainer .................................................... 50
Suction strainer, 300 µm ........................................................................ 50
Suction strainer, 100 µm ........................................................................ 50
Cleaning the suction strainer ..................................................................... 50
Errors and troubleshooting ....................................................................... 51
Customer service ........................................................................................ 53
Taking the unit out of operation ................................................................ 53
Shutting down the unit ............................................................................... 53
OF7S / OF7K
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2016-04-28