Arb RD44 Manuel d'utilisateur

INSTALLATION GUIDE RD44 ISUZU, 26 SPLINE Part No. 210244Revision Date 14/07/05Copyright © 2001 by ARB Corporatio

2 Removing the Existing Differential 8 2.6 Spreading the Differential Housing IMPORTANT: Spreading the differential housing with a diff

2 Removing the Existing Differential 9 2.7 Use of the Thrust Block As this Air Locker has been designed to cover a range of Isuzu applic

3 Bench Measurement 10 3.1 Measurement for Pre-Load Shimming When fitting this ARB Air Locker, the original carrier bearings will be re-used

3 Bench Measurement 11 Figure 4. Figure 5.

3 Bench Measurement 12 3.2 Calculation & Selection of Shims The thickness of the shim pack required for the Air Locker (shown as ‘D’ in

4 Installing the Air Locker 13 4.1 Installing the Carrier Bearings c With the Air Locker well supported in an arbor press, apply a thin film

4 Installing the Air Locker 14 4.2 Mounting the Ring Gear c Apply a thin film of high-pressure grease to the ring gear shoulder of the Air

4 Installing the Air Locker 15 4.3 Drilling and Tapping the Bulkhead Port A port must be drilled and tapped through the differential housi

4 Installing the Air Locker 16 4.4 Assembling the Differential Carrier c Relieve all tension on the housing spreader. c Place the bearing c

4 Installing the Air Locker 17 c Hold the bearing cup in place on the ring gear side. c Holding the master shim and tapered roller bearing cup

No liability is assumed for damages resulting in the use of the information contained herein. ARB Air Locker Locking Differentials and Air Lo

4 Installing the Air Locker 18 c Set a depth indicator on one of the ring gear teeth as in figure 9. c While supporting the pinion gear by hol

4 Installing the Air Locker 19 4.6 Marking the Bearing Cap for Tube Clearance With the Air Locker in place and less than 0.5mm of backlash,

4 Installing the Air Locker 20 c Measure to the bearing cap from exactly the same position on the differential housing that you took the previ

4 Installing the Air Locker 21 4.7 Modifying the Bearing Cap 4.7.1 Drilling the Bearing Cap c Hold the bearing cap steady for drilling i

4 Installing the Air Locker 22 Figure 13. 4.7.2 Notching the Bearing Cap c Use a soft jawed vise clamp to hold the bearing c

4 Installing the Air Locker 23 4.8 Final Air Locker Assembly c Remove the seal housing, shim pack, and master shim, and clean all parts of

4 Installing the Air Locker 24 c While supporting the pinion gear by holding the drive shaft, rotate the differential in both directions while

4 Installing the Air Locker 25 4.10 Profiling the Seal Housing Tube c Without using sharp, jagged tools such as pliers (usually your hands

4 Installing the Air Locker 26 c Wipe the area clean of any excess thread sealant (inside and outside of the housing). c From the outside of th

4 Installing the Air Locker 27 NOTE : Make sure the seal housing tube is all of the way into the center compression nut while you are tight

Table of Contents: 1 1 Introduction 3 1.1 Pre-Installation Preparation 3 1.2 Tool-Kit Recommendations 4 2 Removing the Existing Differe

4 Installing the Air Locker 28 c If a leak is found at the seal housing, carefully remove and refit. Be very careful with the O-rings and check

5 Installing the Air System 29 ARB Air Compressor 5.1 Mounting the Solenoid 5.1.1 Connection to an ARB Air Compressor (Fig.19.) c Rem

5 Installing the Air System 30 5.1.2 Connection to an Alternate Air Source For ease of installation, quality of air supply, and a high lev

5 Installing the Air System 31 5.2 Running and Securing the Air Line The path taken by the air line from your air source (i.e., compressor

5 Installing the Air System 32 c To attach the air line to the push-in fitting of the solenoid; insert the line firmly into the fitting, pull

5 Installing the Air System 33 HINT : If the support tube is too difficult to insert, place the end of the air line into a cup of boiled w

6 Mounting & Connecting the Electrical System 34 6.1 Mounting the Actuator Switch(es) Air Locker actuator switch(es) can be easily pan

6 Mounting & Connecting the Electrical System 35 Figure 21. 6.2 Wiring the Actuator System 6.2.1 Connection

6 Mounting & Connecting the Electrical System 36 UP Figure 22. NOTE : ARB wiring loom #180405 shown. Consult your

6 Mounting & Connecting the Electrical System 37 6.2.2 Connection to an Alternate Air Source When connecting the actuation switch to a

2

6 Mounting & Connecting the Electrical System 38 6.2.2.2 Dual Air Locker System c If two Air Lockers are to be installed in the syste

7 Testing & Final Assembly 39 7.1 Leak Testing c With the vehicle parked and the engine off, turn the compressor on and wait until the

7 Testing & Final Assembly 40 c Turn the ignition to the ‘ON’ position (leaving the motor off). The large illuminating symbol on the Air L

7 Testing & Final Assembly 41 7.4 Post-Installation Check List Now that the Air Locker installation has been completed, ARB recommends

7 Testing & Final Assembly 42

8 Parts List 43 8.1 Exploded Assembly Diagram (See itemized parts list overleaf) Figure 26.

8 Parts List 44 8.2 Itemized Parts List (See exploded diagram figure 26.) AIR LOCKER MODEL No. : RD44 ITEM # QTY DESCRIPTION

1 Introduction 3 IMPORTANT : BEFORE ATTEMPTING TO DISMANTLE YOUR VEHICLE FOR THIS INSTALLATION, PLEASE READ THIS INSTALLATION GUIDE IN ITS ENT

1 Introduction 4 1.2 Tool-Kit Recommendations Below is a list of tools and supplies you may need to complete this installation. Requireme

2 Removing the Existing Differential 5 2.1 Vehicle Support c Safely secure the vehicle on a hoist. We recommend supporting the vehicle

2 Removing the Existing Differential 6 2.4 Marking the Bearing Caps c Using a pointed center punch, gently mark the bearing caps in a w

2 Removing the Existing Differential 7 2.5 Checking the Current Backlash Amount IMPORTANT: This step is a precautionary measure recomm