Assemble Three Function Brake, Brake Discs, Reaction Plate And Pins; Install Housing Assembly Into Main Housing - JLG GRADALL 522D Owner's/Operator's Manual

4. Install stationary disc lock pins.
5. Install reaction plate with lubrication hole on down
side of axle.
6. If there is an outer spacer, install it on brake
housing surface. Use liquid gasket material.
Assemble Three Function
Brakes, Brake Discs, Reaction
Plate and Pins
1. Lubricate all brake components with same oil
specified for axle. See page 53.
2. Install sun gear. Figure 4.63.
3. Apply 350 psi (24 bar) into parking brake.
4. Install friction and stationary discs, guide pins and
reaction plate. Figure 4.65.
Figure 4.65
PIN
REACTION PLATE
FRICTION DISCS
STATIONARY DISCS
BRAKE HOUSING
Asse m bly a nd I nst a lla t ion
Install Housing Assembly into
Main Housing
NOTE
If axle is equipped with three function brake,
keep parking brake pressurized.
1. Install housing assembly. Make sure that the
mark made during disassembly is correctly
positioned to ensure alignment of the fastener
holes. Figure 4.66.
Figure 4.66
2. Install capscrews and nuts that fasten housing to
main housing.
•
Tighten grade 12.9 capscrew 170-200 lb-ft
(230-271 N•m).
•
Tighten grade 10.9 capscrew 135-170 lb-ft
(183-230 N•m).
•
Tighten stud nuts 120-150 lb-ft
(160-205 N•m).
3. Release pressure from parking brake.
4. Apply liquid gasket material, Loctite 515 or Three
Bond 1134, on surface of cover that fastens to
main housing and on capscrew threads. Install
cover and capscrews on main housing. Tighten
capscrews to 20-27 lb-ft (27-36 N•m).
Se c t ion 4
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Courtesy of Crane.Market
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