Sealing Connections On Hydraulic Control Unit And Hose Connections For Hydraulic Cylinder:

For the hydraulic control unit, use the plugs (1) from the "Hollow union bolts for hydraulic control unit" set and the old seals.

For the hose connections, use the plugs with cap nuts (2) from the "Hollow union bolts for hydraulic cylinder" set and the old seals.

Installation: 

Always install new hollow union bolts (1) and seals (2 and 4).

1. Hollow screw.
2. Upper seal (thin).
3. Hose connection.
4. Lower seal (thick).
   Fig 2: Installing New Hollow Union Bolts

   

Disconnect plug connection (1) and release nuts (2). Remove hydraulic control unit (3) and set down on cloth (4).

Installation: 

During installation, do not damage PDC control unit.

Disconnect plug connection (1) and withdraw hydraulic control unit (2).

Only Replace: 

Release nuts (1) and remove bracket (2) from hydraulic control unit (3).

Unscrew holder (4) for plug connection.

Only Replace: 

If necessary, remove faulty bearings (1) from hydraulic control unit (2) and replace.