ARB RD197 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 Disconnecting the Axles
7
2.4 Marking the Bearing Caps
8
2.5 Checking the Current Backlash Amount
8
2.6 Removing the Differential Center
11
3 Installing the Air Locker
12
3.1 Re-Mounting the Ring Gear
12
3.2
Drilling and Tapping the Bulkhead Port
13
3.3
Profiling the Seal Housing Tube (A)
15
3.4
Assembling the Seal Housing
17
3.5
Installing the Carrier Bearings
19
3.6
Final Air Locker Assembly
20
3.7
Profiling the Seal Housing Tube (B)
22
3.8
Checking the Backlash
23
3.9
Setting Up the Bulkhead Fitting
23
3.10
Reinstalling Differential and Axles
25
4 Installing the Air System
26
4.1 Mounting the Solenoid
26
4.2 Running & Securing the Air Line
28
4.3 Connection to the Bulkhead Fitting
29
5 Mounting & Connecting the Electrical System
31
5.1 Mounting the Actuator Switch(es)
31
5.2 Wiring the Actuator System
32
6 Testing & Final Assembly
36
6.1 Leak Testing
36
6.2 Testing the Air Locker Actuation
37
6.3 Re-Sealing & Filling the Differential
37
6.4 Post-Installation Check List
38
7 Parts List
39
7.1 Exploded Assembly Diagram
39
7.2 Itemized Parts List
40