FRONT ATTACHMENT / Cylinder Disassemble Positioning Cylinder The disassembling procedure starts on the premise that the hydraulic lines and the bands securing lines have been removed. 5. Cut away the crimped position by using a hand drill and remove set screw (13). Remove steel ball (14). CAUTION: Positioning cylinder weight: 360 kg (795 lb) 1. Hoist and place the cylinder on a workbench horizontally. Drain hydraulic oil from the cylinder. NOTE: Set screw (13) has been caulked by using a punch at two places after installing. : 8 mm 6. Remove nut (15) by using special tools (ST 5908, ST 3276). Remove piston (22) and shim (16) from piston rod (1). W102-04-02-027 2.
Fully extend and support piston rod (1). Remove socket bolt (6) from cylinder head (7). W158-04-02-022 7. Remove slide rings (17) (2 used), (18) (2 used), backup rings (19) (2 used), O-ring (20) and seal ring (21) from piston (22). 8. Remove cylinder head (7) from piston rod (1). 9. Remove O-rings (11) and backup rings (10, 3) from cylinder head (7). Remove wiper ring (2), U-ring (4), buffer ring (5), snap ring (9) and bushing (8). Speciatl tool when removing bushing: ST 8026 Special Tool: ST 5908 : 17 mm IMPORTANT: Pull out piston rod (1) straightly in order not to damage the sliding surface. 3.
Tap and remove cylinder head (7) with piston rod (1) together from cylinder tube (12) by using a plastic hammer. 4. Secure piston rod (1) on special tool (ST 5908). Put the matching marks on piston rod (1) and nut (15). W158-04-02-022 Special Tool: ST 5908 W4-2-25