ARB RD74 - 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 Removing the Differential Carrier 8
3 Installing the Air Locker 9
3.1 Mounting the Ring Gear 9
3.2 Installing the Carrier Bearings 10
3.3 Drilling and Tapping the Bulkhead Port 11
3.4 Final Air Locker Assembly 12
3.5 Checking the Backlash 13
3.6 Installing the Seal Housing 14
3.7 Setting up the Bulkhead Fitting 15
3.8 Profiling the Seal Housing Tube 18
3.9 Bench Testing the Air Locker 20
3.10 Reinstalling the Differential & Axles 21
4 Installing the Air System 22
4.1 Mounting the Solenoid 22
4.2 Running & Securing the Air Line 24
4.3 Connection to the Bulkhead Fitting 25
5 Mounting & Connecting the Electrical System 26
5.1 Mounting the Actuator Switch(es) 26
5.2 Wiring the Actuator System 27
6 Testing & Final Assembly 30
6.1 Leak Testing 30
6.2 Testing the Air Locker Actuation 30
6.3 Filling the Differential 31
6.4 Post-Installation Check List 32
7 Parts List 33
7.1 Exploded Assembly Diagram 33
7.2 Itemized Parts List 34