Disassembly / reassembly operations
40
Unscrew screws 4 (82) using a 4 mm BTR key and remove the
complete cylinder assembly (101) from the cover (80), do
not remove the needle-piston assembly from the cylinder.
Manually remove the cartridge (115).
Clean the valve needle (108) and the cartridge housing in
the valve block (90) before reassembly.
Tools needed
4