JLG 24RS Service Manual - Manual (Page 54)

SECTION 3 - CHASSIS & TURNTABLE
3-16 – JLG Lift – 3121287
INPUT BRAKE DISASSEMBLY
1. Insert and tighten the 0.250-20 UNC socket head cap-
screws through the pressure plate (8M) and into the
brake piston (8A) to compress the springs and relieve
pressure on the retaining ring (8N).
SAFETY GLASSES MUST BE WORN DURING THESE NEXT STEPS.
NOTE: Ensure Step 1 is completed before performing Step 2.
2. Using retaining ring pliers, remove retaining ring (8N)
which holds the brake piston assembly in place.
3. Lift the brake piston assembly (8A) out of the brake
housing (6). If the brake piston assembly (8A) will not lift
out, apply less than 50 psi (3.4 Bar) air to the brake port
to remove it. Remove the inner (rotor) (8J) and outer
(stator) plates (8K) from inside the brake housing (6).
4. Remove the o-rings (8D, 8F) and backup rings (8E, 8H)
from the brake housing (6). Discard the o-rings and
backup rings.
5. Remove the 0.250-20 UNC socket head capscrews and
lift the pressure plate (8M) from the brake piston (8A).
NOTE: Record the number of springs and mark their locations
before removing them from brake piston.
6. Remove the springs (8L) from the brake piston (8A).
6 Brake Housing
8A Brake Piston
8D O-ring
8E O-ring/back Up Ring
8F O-ring
8H O-ring/back Up Ring 8J Brake Rotor
8K Brake Stator
8L Spring
8M Pressure Plate
8N Internal Retaining Ring
Figure 3-10. Input Brake Disassembly