Arb RD121 Manuel d'utilisateur

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Page 1 - INSTALLATION GUIDE

INSTALLATION GUIDE RD121 TOYOYA 8” IFS,53mm BRNG Part No. 2102121Revision 20/09/05Copyright © 2005 by ARB Corpor

Page 2 - ARB 4x4 ACCESSORIES

3 Installing the Air Locker 8 3.1 Approximate Backlash Shimming In order to reproduce a similar preload and ring and pinion backlash in your

Page 3

3 Installing the Air Locker 9 c Using a caliper or similarly accurate measurement method (i.e., able to take accurate measurements within 0.04

Page 4

3 Installing the Air Locker 10 3.2 Calculation & Selection of Backlash Shims Ideally, the measurement you recorded as ‘C’ from the Air L

Page 5 - Pre-Installation Preparation

3 Installing the Air Locker 11 3.3 Mounting the Ring Gear c Apply a thin film of high pressure grease to the ring gear shoulder of the Air L

Page 6 - Tool-Kit Recommendations

3 Installing the Air Locker 12 3.4 Installing the Carrier Bearings c Apply a thin film of high pressure grease to both bearing journals of t

Page 7 - Differential Fluid Drain

3 Installing the Air Locker 13 3.5 Preload Shim Measurement In order to preload the tapered roller bearings in your Air Locker, measurements

Page 8 - IMPORTANT:

3 Installing the Air Locker 14 c Assemble the shim pack onto the seal housing flange on the same side as the seal housing tube’s solder joint.

Page 9

3 Installing the Air Locker 15 3.6 Calculation & Selection of Preload Shims c Consult your vehicle manufacturer’s service manual to deter

Page 10 - Figure 2

3 Installing the Air Locker 16 Figure 7. Figure 8. NOTE : To best determine the correct vertical positio

Page 11 - AIR LOCKER DIFFERENTIAL

3 Installing the Air Locker 17 Figure 9. c Cover the bearing seat area with a rag to protect the inside of the clamshell from met

Page 12 - A + B – C – D = ZERO

No liability is assumed for damages resulting in the use of the information contained herein. ARB AIR LOCKER Locking Differentials and AIR LOCKER ar

Page 13 - Mounting the Ring Gear

3 Installing the Air Locker 18 c Make sure the seal housing tube and the grooves of the seal housing are clean and free from any contaminants (

Page 14 - Figure 4

3 Installing the Air Locker 19 3.9 Installing the Bulkhead Fitting c To obtain an oil tight seal, apply a thread sealant to the threads of t

Page 15 - Preload Shim Measurement

3 Installing the Air Locker 20 NOTE : Excessive tightening of the center compression nut is not necessary to form a good seal around the tub

Page 16 - Figure 6

3 Installing the Air Locker 21 3.12 Checking the Backlash c Refer to your vehicle manufacturer’s service manual for the specified maximum

Page 17

3 Installing the Air Locker 22 3.12.1 Re-Shimming the Backlash NOTE : This step is only necessary when adjusting for incorrect backlash.

Page 18 - Figure 7

3 Installing the Air Locker 23 3.13 Bench Testing the Air Locker c To bench test the Air Locker; when 620kPa [90 PSI] shop air is applied to

Page 19 - Installing the Seal Housing

3 Installing the Air Locker 24 3.14 Reinstalling the Differential Assembly c Reassemble the differential assembly according to your vehicl

Page 20 - Figure 11

4 Installing the Air System 25 4.1 Mounting the Solenoid 4.1.1 Connection to an ARB Air Compressor (Fig.15.) c Remove one of the 1/8”

Page 21 - Figure 12

4 Installing the Air System 26 4.1.2 Connection to an Alternate Air Source For ease of installation, quality of air supply, and a high leve

Page 22 - Final Assembly

4 Installing the Air System 27 4.2 Running and Securing the Air Line The path taken by the air line from your air source (i.e., compressor)

Page 23 - Checking the Backlash

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

Page 24 - Re-Shimming the Backlash

4 Installing the Air System 28 4.3 Connection to the Bulkhead Fitting c Trim the air line to length using a sharp knife. c Insert the suppor

Page 25 - Bench Testing the Air Locker

5 Mounting & Connecting the Electrical System 29 5.1 Mounting the Actuator Switch(es) Air Locker actuator switch(es) can be easily pane

Page 26

5 Mounting & Connecting the Electrical System 30 5.2 Wiring the Actuator System 5.2.1 Connection to an ARB Air Compressor When wir

Page 27 - Air Compressor

5 Mounting & Connecting the Electrical System 31 Figure 20. 5.2.2 Connection to an Alternate Air Source When connecting th

Page 28 - IMPORTANT :

5 Mounting & Connecting the Electrical System 32 5.2.2.2 Dual Air Locker System c If two Air Lockers are to be installed in the syste

Page 29

6 Testing & Final Assembly 33 6.1 Leak Testing c With the vehicle parked and the engine off, turn the compressor on and wait until the a

Page 30 - Figure 17

6 Testing & Final Assembly 34 c Turn the Air Locker switch to the ‘ON’ position. The illuminated symbol on the switch cover should light up

Page 31 - Figure 18

6 Testing & Final Assembly 35 6.4 Post-Installation Check List Now that the Air Locker installation has been completed, ARB recommends t

Page 32 - Wiring the Actuator System

6 Testing & Final Assembly 36

Page 33 - IDENTIFICATION

7 Parts List 37 7.1 Exploded Assembly Diagram (see itemized parts list overleaf) Figure 23.

Page 35 - Leak Testing

7 Parts List 38 7.2 Itemized Parts List (see exploded diagram Fig. 23.) AIR LOCKER MODEL No. : RD121 ITEM # QTY DESCRIPTION P

Page 36

2 Removing the Existing Differential 3 IMPORTANT : BEFORE ATTEMPTING TO DISMANTLE YOUR VEHICLE FOR THIS INSTALLATION, PLEASE READ THIS INSTALL

Page 37

2 Removing the Existing Differential 4 1.2 Tool-Kit Recommendations Below is a list of tools and supplies you may need to complete this ins

Page 38

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

Page 39 - 7 Parts List

2 Removing the Existing Differential 6 2.4 Checking the Current Backlash Amount IMPORTANT: This step is a precautionary measure recomm

Page 40 - Itemized Parts List

2 Removing the Existing Differential 7 2.5 Removing the Differential Center c Remove the floating shaft (or ADD unit if present) from the si

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