ARB RD82 User Manual
Page 3
Table of Contents:
1
1 Introduction
3
1.1 Pre-Installation Preparation
3
1.2 Tool-Kit Recommendations
4
2 Removing the Existing Differential
5
2.1 Vehicle Support
5
2.2 Differential Fluid Drain
5
2.3 Removing the Axles
5
2.4 Marking the Bearing Caps
6
2.5 Checking the Current Backlash Amount
7
2.6 Spreading the Differential Housing
8
3 Approximate Backlash Shimming
10
3.1 Bench Measurement
10
3.2 Calculation and Selection of Pre-Load Shims
12
4 Installing the Air Locker
13
4.1 Mounting the Ring Gear
13
4.2 Installing the Carrier Bearings
14
4.3 Drilling and Tapping the Bulkhead Port
15
4.4 Pre-Load Shimming
16
4.5 Checking the Backlash
18
4.6 Profiling the Seal Housing Tube
19
4.7 Setting up the Bulkhead Fitting
21
4.8 Re-Installing the Axles
23
5 Installing the Air System
24
5.1 Mounting the Solenoid
24
5.2 Running & Securing the Air Line
26
5.3 Connection to the Bulkhead Fitting
27
6 Mounting & Connecting the Electrical System
29
6.1 Mounting the Actuator Switch(es)
29
6.2 Wiring the Actuator System
30
7 Testing & Final Assembly
33
7.1 Leak Testing
33
7.2 Testing the Air Locker Actuation
33
7.3 Re-Sealing & Filling the Differential
34
7.4 Post-Installation Check List
35
8 Parts List
37
8.1 Exploded Assembly Diagram
37
8.2 Itemized Parts List
38