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WSR-D80112-S
Maintenance, Servicing and Inspection
8.6 Replacement of the hydraulic part
CAUTION
Before replacing the hydraulic part ensure that the oil supply to the way valve
has been de-pressurized and the power supply been disconnected and
secured against accidental switching on while working.
This work may only be performed by qualified staff, provided they meet the
relevant criteria stated in Chapter 1.5.
NOTICE
Before re-installing the control magnet, clean the sealing and flange surfaces
so that they are free from dirt and other residues.
8.6.1 Disassembly
1. At first remove the control magnet as described in Chapter 8.6.1 to replace the
hydraulic part.
2. Then loosen and remove the four socket head screws of the hydraulic part (Fig.
11).
3. Now remove the hydraulic part from the adapter plate (Fig. 12).
Fig. 11: Removing the 4 socket head screws
Fig. 12: Removing the hydraulic part
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