Arb RD106 Manuel d'utilisateur télécharger pdf (Page 28)

4 Installing the Air Locker

4.8 Air Locker Final Assembly

c Remove the seal housing, shim pack, and master shim, and clean

all parts of the differential assembly. It is very important to make

sure the seal housing grooves are free from any contaminants (eg:

water, dirt, metal fillings, etc.)

c Lubricate the O-rings with oil (prior to assembly), then stretch them

over the bearing journal and release them into the grooves.

NOTE : Do not roll the O-rings onto the seal housing as this

will damage them.

c Place the bearing cups onto their respective bearing cones.

c Install the seal housing over the O-rings by gently applying a

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

engage.

c Assemble the shim pack and master shim.

c Point the seal housing tube straight out of the housing, hold the

shims and tapered roller bearing cups in place, and insert and hold

the Air Locker into the differential housing.

c Install the bearing cap on the ring gear side.

c Check to see if the bearing cap on the seal housing side fits over

the tube without fouling.

NOTE : Do not forget to check for the marks on the bearing

caps to insure they are turned the correct way around.

c Install all bearing cap bolts and torque to manufacturer’s specs.

4.9 Final Backlash Checking

c Relieve all tension on the housing spreader.

c Tighten all bearing cap bolts with a torque wrench to the torque

specified in your vehicle manufacturer’s service manual.

c Set a depth indicator on one of the ring gear teeth as in

Figure 19.

c While supporting the pinion gear by holding the drive shaft, rotate

the differential in both directions while observing the maximum

variation in depth from the indicator (i.e., the highest value minus

the lowest value). This value is referred to as the ring and pinion

backlash.

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Arb RD106 Manuel d'utilisateur Page 28