Assembly details for shock and relief valves, and dust seal
VSPP shock and relief valve parts
Wrench size and torque
Item
Description
Wrench size
Torque
64
Adjusting screw for shock valve
5 mm Hex key
-
63
Valve seat for shock
2.75 mm Hex key
6 +0/-1 N•m [59 +0/- 8.9 lbf•in]
99
Adjusting screw for pilot relief
valve
6 mm Hex key
-
90
Valve seat for pilot relief
6 mm Socket spanner
20 ± 3 N•m [177 ± 27 lbf•in]
1. Screw in the valve seat (90) using a 6mm socket spanner.
Tightening torque: 20 ± 3 N•m [177 ± 27 lbf•in]
2. Insert the spring with cone (95).
3. Screw in the adjusting screw (99) using a 6mm Hex key.
Screw in until head of screw is 5-8mm below level of housing surface, measured on the "less deep
side" of the slanted bore.
Relief valve shall be adjusted in hydraulic test, see
on page 32.
4. Screw in the valve seat (63) using a 2.75mm Hex key.
O-rings (2x63.2) are fitted to the valve seats.
Tightening torque: 6 +0/-1 N•m [59 +0/- 8.9 lbf•in]
5. Insert the balls (2x61).
6. Insert the springs with thrust pad (2x62).
7. Screw in the adjusting screws (2x64) using a 5mm Hex key.
O-rings (64.2) are fitted to the adjusting screws.
Screw in until head of screws are just below level of housing surface.
Relief valve shall be adjusted in hydraulic test, see
on page 32.
8. Place the dust seal ring (9) in the housing.
Fit the dust seal ring using special tool dust seal assembly (see
on page 7), and a plastic
hammer.
9. Make test and valve settings according to description in the following pages.
Service Manual
VSPP Steering unit
VSPP assembly
30 |
©
Danfoss | November 2019
AX319758618681en-000101
