Arb RD113 Manuel d'utilisateur télécharger pdf (Page 20)

3 Installing the Air Locker

 Carefully install the seal housing (ARB master shim towards the

center) by sliding it all of the way onto the bearing journal with a

gentle twisting motion. This will allow the O-rings to engage gently.

3.7

Pre-Load Shimming

In order to pre-load the tapered roller bearings in your Air Locker,

measurements need to be taken so that a value can be calculated for

the shim thickness ‘D’ in Figure 9.

IMPORTANT NOTE FOR OE MASTER SHIM TYPE

DANA 44 SETUP:

Grind or cut a notch into the left-hand factory shim as clearance for the

seal housing tube at final assembly, as per Figure 10.

Insert the right hand OE master shim between the ARB master shim

and the axle housing, and the left hand OE master shim between the

seal housing and the axle housing making sure to align the notch with

the notch in the axle housing and the seal housing tube.

All pre-load measurements and any required shimming should be

made between the seal housing and the left hand OE master shim.

Figure 10.

 Insert and hold the Air Locker into the differential housing.

 Insert the remaining ARB master shim from the Air Locker shim kit

between the right-hand bearing cup and the bearing seat of the

axle housing with the rounded edge of the ARB master shim facing

away from the center.

 Insert the shim pack determined earlier as ‘B’ between the bearing

cup (right-hand side) and the ARB master shim.

 Push (or lightly pry) the Air Locker hard across to the right-hand

side, and measure the maximum gap (also called the ‘end float’)

between the outside of the seal housing and the inside face of the

axle housing with an automotive feeler gauge. (Fig.11.)

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Arb RD113 Manuel d'utilisateur Page 20