Remove Shock And Relief Valves From Housing - Danfoss VSPP Service Manual

Service Manual
VSPP Steering unit
VSPP disassembly

Remove shock and relief valves from housing

© Danfoss | November 2019
To remove shock and relief valve parts from housing, follow these steps.
VSPP shock and relief valve parts
Wrench size and torque
Item Description
64 Adjusting screw for shock valve
63 Valve seat for shock valve
99 Adjusting screw for pilot relief
valve
90 Valve seat for pilot relief valve
1. Screw off the adjusting screws (2x64) using a 5mm Hex key.
O-rings (2x64.2) are fitted to the adjusting screws.
2. Remove the springs with a thrust pad (2x62) using a 2mm flat head screwdriver.
3. Remove the balls (2x61) using a magnet rod.
4. Screw out the valve seat (2x63) using a 2.75mm Hex key.
O-rings (2x63.2) are fitted to the valve seats.
5. Screw out the adjusting screw (99) using a 6mm Hex key.
O-ring (99.2) is fitted to the adjusting screw.
6. Remove the spring with cone (95) using a 2mm flat head screwdriver.
If the cone is not following the spring, remove the cone by using a magnet rod.
7. Remove the valve seat (90) using a 6mm socket spanner.
Wrench size
5 mm Hex key
2.75 mm Hex key
6 mm Hex key
6 mm Socket spanner
Torque
-
6 +0/-1 N•m [59 +0/- 8.9 lbf•in]
-
20 ± 3 N•m [177 ± 27 lbf•in]
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