ARB RD131 - 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 & Differential 5
2.4 Marking the Bearing Caps 6
2.5 Checking the Current Backlash Amount 6
2.6 Removing the Differential Carrier 7
3 Bench Measurement 8
3.1 Approximate Backlash Shimming 8
3.2 Calculation & Selection of Shims 9
4 Installing the Air Locker 11
4.1 Installing the Carrier Bearings 11
4.2 Mounting the Ring Gear 11
4.3 Assembling the Seal Housing 12
4.4 Calculation & Selection of Pre-Load Shims 13
4.5 Drilling and Tapping the Bulkhead Port 14
4.6 Drilling the Diff Housing for Seal Housing Tube 15
4.7 Final Backlash Checking 16
4.8 Profiling the Seal Housing Tube 17
4.9 Setting Up the Bulkhead Fitting 19
4.10 Bench Testing the Air Locker 21
4.11 Reinstalling the Differential and Axles 22
5 Installing the Air System 23
5.1 Mounting the Solenoid 23
5.2 Running & Securing the Air Line 25
5.3 Connection to the Bulkhead Fitting 26
6 Mounting & Connecting the Electrical System 27
6.1 Mounting the Actuator Switch(es) 27
6.2 Wiring the Actuator System 28
7 Testing & Final Assembly 32
7.1 Leak Testing 32
7.2 Testing the Air Locker Actuation 32
7.3 Filling the Differential 33
7.4 Post-Installation Check List 34
8 Parts List 35
8.1 Exploded Assembly Diagram 35
8.2 Itemized Parts List 36