Arb RD82 Manuel d'utilisateur télécharger pdf (Page 15)

4 Installing the Air Locker

4.1

Mounting the Ring Gear

IMPORTANT:

Higher ratio gearing uses deeper (thicker) ring gears with teeth

that extend much further. Make sure the teeth of the ring gear will

not obstruct the removal of the cross shaft when fitted. If so,

ARB recommends that you grind just enough off of one of the

ring gear teeth to successfully remove the cross shaft.

DO NOT MODIFY THE CROSS SHAFT!

NOTE : If your existing differential was fitted with a toner

ring for ABS brakes, it will need to be removed and

installed onto the Air Locker before the ring gear

can be mounted. See your vehicle service manual.

 Apply a thin film of high pressure grease to the ring gear shoulder

of the Air Locker to prevent seizing.

 Thoroughly clean any thread locking compound or other foreign

matter from the holes of the ring gear, the threads of the ring gear

bolts, and the mating surfaces between the ring gear and the Air

Locker flange.

HINT : Stoning the ring gear mounting face before

installation will remove any high spots around the

threads.

 Heat the ring gear to between 80 and 100°C [175 - 212°F] in hot

water or in an oven to slightly expand the gear and facilitate

assembly.

NOTE : NEVER HEAT GEARS WITH A FLAME! This could

damage the hardened surface of the gear and result

in premature wear or failure.

 Dry the gear and bolt holes with compressed air (if wet).

 Install the ring gear onto the Air Locker by aligning the bolt holes

and then gently tapping it around in a circle with a soft mallet.

Avoid using the bolts to pull down the ring gear as this puts excess

strain on the bolts and the differential flange.

 Apply a thread locking compound to the thread of each ring gear

bolt before inserting it. Do not apply threading compound directly

into the threaded hole as this could prevent the bolt from reaching

its full depth.

 Tighten the ring gear bolts in a star pattern with a torque wrench

according to your vehicle manufacturer’s specified torque

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Arb RD82 Manuel d'utilisateur Page 15