JLG X23J - X700AJ Service Manual - Manual (Page 106)

SECTION 3 - CHASSIS & TURNTABLE
3121448 – JLG Lift – 3-79
52. Take out the spherical retainer plate holder (M13).
53. Take out the nos.3 pins (M15) from their seats in the
cylinder block (M16).
54. Disassemble the pistons and the retainer plate (M11-
M12).
55. Take out the pistons (M11) from the retainer plate
(M12).
56. By using a puller, turn the screw until the brake piston
(M27) comes out.
57. Remove the O-ring seals (M24-M25) and the backup
rings (M23-M26) from their seats in the brake piston
(M27).