Removing Valve Block (Rear)

Information 

• When cleaning the PDCC system components using a high-pressure cleaner, make sure that the high-pressure spray is at least 50 cm away from the component to prevent damage to electric lines, connectors and contacts.
• Carefully clean the hydraulic connections in the area around the connection points (using a paintbrush and/or a lint-free cloth, for example).

1. Thoroughly clean the valve block and adjacent hydraulic lines to prevent dirt from getting into the hydraulic system.
2. Get a container ready for collecting Pentosin.
3. Remove hydraulic lines -1-  at the valve block -2-  .

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   Hydraulic lines on valve block (rear)

   1. 3.1 Mark the position of hydraulic lines and connection points on the valve block with respect to each other to avoid confusing the hydraulic lines during installation.
   2. 3.2 >9780 - Loosening tool  must be pushed on as far as it will go. Then, pull off hydraulic line -1-  (except for hydraulic line at the top right).

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      Removing hydraulic line using loosening tool 9780

      1. 3.2.1 Push loosening tool -2-  on as far as it will go and then pull off hydraulic line -1-  .
      2. 3.2.2 Seal open lines using suitable stoppers. Collect emerging Pentosin in a container.
   3. 3.3 Open hydraulic line (at the top right) -1-  using >VAS 6933 - Disassembly tool  or open-ended wrench (a/f 15).

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      Removing upper right hydraulic line

      1. 3.3.1 Press thrust ring towards the valve block using >VAS 6933 - Disassembly tool  or an open-ended wrench -2-  and pull off the hydraulic line at the same time.
      2. 3.3.2 Seal open lines using suitable stoppers. Collect emerging Pentosin in a container.
4. Release electric plug connection -1-  from the valve block (rear) -2-  and disconnect it.

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   Electric plug connection on valve block (rear)

5. Remove valve block (rear) -1-  .

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   Valve block mounting (rear)

   1. 5.1 Unscrew and remove screws -2-  .