HYDRAULICS 1.122 Dismantling 1. Clean the exterior of the cylinder with a suitable solvent and dry with compressed air. Do not use cloths or paper towels to dry component. 2. Drain as much hydraulic fluid as possible from the cylinder into a suitable container before dismantling. 3. Support cylinder on ‘V’ blocks; make sure that when the piston is removed the components are not damaged. 4. Remove the circlip (11) from the gland assembly (1). Push the gland assembly into the cylinder (2) and remove the snap ring (12). 5. Remove the gland assembly (1) from the cylinder (2) by pressing the piston rod (3) complete with gland assembly from the cylinder (2).
If necessary, carefully tap the piston rod with a soft-faced hammer. 1. Gland assembly 2. Cylinder 3. Piston rod 4. O-ring 5. Seal 6. Wiper ring 7. O-ring 8. Magnetic band 9. Wiper ring 10. Seal 11. Circlip 12. Snap ring 6. Remove the gland assembly (1) from the piston rod (3). Remove and the O-ring (4), piston rod seal (5) and wiper ring (6) from the gland assembly (1). 7. Remove the O-rings (7) and magnetic band (8) from the piston rod (3). 8. Remove the wiper ring (9) and piston rod seal (10) from the cylinder (2). Assembly 1. Assemble the steering cylinder in the reverse order to dismantling. 2. Use new seals and wiper rings during assembly. 3.
Lubricate seals and wiper rings with clean hydraulic oil before and during assembly.