ARB RD105 User Manual
Page 3

Table of Contents:
1
1 Introduction
3
1.1 Pre-Installation Preparation
3
1.2 Tool-Kit Recommendations
4
1.3 Assembly Type Identification
5
2 Removing the Existing Differential
6
2.1 Vehicle Support
6
2.2 Differential Fluid Drain
6
2.3 Removing the Axles
7
2.4 Marking the Bearing Caps
8
2.5 Checking the Current Backlash Amount
9
2.6 Removing the Differential Center
10
3 Installing the Air Locker
12
3.1 Insuring Adequate Oil Drainage
12
3.2
Installing the Carrier Bearings
14
3.3
Approximate Backlash Shimming
15
3.4
Mounting the Ring Gear
17
3.5
Drilling and Tapping the Bulkhead Port
18
3.6
Assembling the Seal Housing
19
3.7
Pre-Load Shimming
20
3.8
Reinstalling the Bearing Caps
23
3.9
Checking the Backlash
24
3.10
Setting Up the Bulkhead Fitting
25
3.11
Profiling the Seal Housing Tube
27
4 Installing the Air System
28
4.1 Mounting the Solenoid
28
4.2 Running & Securing the Air Line
30
4.3 Connection to the Bulkhead Fitting
31
5 Mounting & Connecting the Electrical System
33
5.1 Mounting the Actuator Switch(es)
33
5.2 Wiring the Actuator System
34
6 Testing & Final Assembly
38
6.1 Leak Testing
38
6.2 Reinstalling the Axles
38
6.3 Testing the Air Locker Actuation
41
6.4 Re-Sealing & Filling the Differential
41
6.5 Post-Installation Check List
42
7 Parts List
43
7.1 Exploded Assembly Diagram
43
7.2 Itemized Parts List
44