Disassembly and reassembly

DISASSEMBLY AND REASSEMBLY

1. Pull off the rubber protection and remove it together with the control rod.
2. Using a jet of compressed air, remove the piston from the cylinder body.
3. If necessary remove the relief valve screw from the control cylinder body.

Lubricate the components in the cylinder with the correct oil before refitting.

Refit by reversing the procedure followed for removal tightening the relief valve screw to the specified torque if previously removed.

• Substitute all seal rings when refitting.

3.9 ÷ 4.9 Nm
(0.41 ÷ 0.51 kgm)

CHECKS AND INSPECTIONS

1. Check that there are no signs of marking, scoring abrasion or rust inside the cylinder and on the piston. If signs of abrasion or seizing are detected on the cylinder body, replace the assembly.
2. Check the spring for damage.
3. Check that the relief hole is not blocked.