SECTION 3 - CHASSIS & TURNTABLE
3120740
– JLG Lift –
3-15
8.
Position return plate (13) on springs (14).
NOTE:
Discs (11 & 12) and return plate (13) must remain dry
during installation. No oil residue must be allowed to con-
taminate disc surfaces.
9.
Install rotor disc (12) and stator disc (13).
10.
Install o-ring (5), back-up ring (6), a-ring (8) and back-up
ring (9) on piston (7). Note order of a-rings and back-up
rings. Insert piston (7) into pressure plate (3).
NOTE:
Be careful not to shear o-rings or back-up rings. Be careful
not to scratch or mar piston.
11.
Install new case seal (4) in cover plate (16).
12.
Position pressure plate (3) on cover plate (16) aligning
dowel pins (15) with holes in pressure plate.
13.
Install cap screws (1) and washers (2) and tighten evenly
to draw pressure plate (3) to cover plate (16). Torque cap
screws 65.1-67.8 N-m (48-50 Ib-ft).
NOTE:
A hydraulic press will simplify installation of pressure plate
on cover. Clamp pressure plate in position while tightening
the cap screws. Cover plate (16) must be supported as indi-
cated in Figure 3-5.
IF HYDROSTATIC BENCH TESTING IS PERFORMED ON THE BRAKE ASSEMBLY,
RELEASE PRESSURE MUST NOT EXCEED 134.5 BAR (500 PSI).
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