JLG 1200SJP Service Maintenance Manual page 90

SECTION 3 - CHASSIS & TURNTABLE
45. Insert the brake piston (44) inside the flanged hub (31),
paying attention not to damage the seals already fitted.
46. By using a rubber hammer and a metal stopper push the
brake piston (44) against the flanged hub (31), paying
attention not to damage the seals already fitted.
3-44
47. Insert the springs (45) into the holes in the brake piston
(44) marked previously.
48. Insert the spring retainer disc (46).
– JLG Lift – 3121142