JLG GRADALL 522D Owner's/Operator's Manual page 90

Table of Contents
Assemble Hydraulic Apply Brake Housing Assembly ..................................................................................38
Hydraulic Apply Brake Housing Functional Test
Assemble Three Function Brake Housing Assembly ....................................................................................39
Assemble Ball and Ramp Brakes, Brake Discs, Reaction Plate and Pins ....................................................42
Assemble Three Function Brake, Brake Discs, Reaction Plate and Pins ....................................................43
Install Housing Assembly into Main Housing
Assemble Three Function Brake Release Bolts and Sleeves ......................................................................44
Assemble Ball and Ramp Brake Cylinder Assembly and Install on Main Housing
Section 5: Adjustments
Check Ring Gear Runout Specification: 0.008 in. (0.20 mm)........................................................................47
Adjust Pinion and Ring Gear Backlash Specification: 0.005 in-0.015 in (0.13 mm-0.38 mm)
Teeth Contact Patterns ................................................................................................................................48
Verification Procedure
Correct Contact Patterns ..............................................................................................................................49
Incorrect Contact Patterns
High Contact Pattern
Deep Contact Pattern ..................................................................................................................................50
Variations Along Length of Gear Teeth
Replace Lubricant ........................................................................................................................................51
Section 6: Specifications
Oil Change Intervals and Specifications ......................................................................................................52
Nut Lock Special Tool ..................................................................................................................................53
Torque Charts
PROA 352/382 ..........................................................................................................................................54
PRA 352 ....................................................................................................................................................56
PROA 352 G2H/G2M ................................................................................................................................58
Courtesy of Crane.Market