Arb RD111 User Manual download pdf (Page 16)

3 Installing the Air Locker

c Assemble the shim pack onto the seal housing flange on the same

side as the seal housing tube’s solder joint.

c Assemble the seal housing into the bearing bore in the shallow half

of the clamshell (shims against the clamshell).

c Using a bearing press or arbor press, press the remaining bearing

cup into the bottom of the same bearing bore (until it stops against

the seal housing).

c Carefully assemble the shallow half of the clamshell over the top of

the Air Locker.

c Measure the preload gap that exists between the two halves of the

clamshell housing with a feeler gauge. (Refer to Fig.6.)

Figure 6.

NOTE : The preload gap should be the same when measured

all the way around the housing. If this is not true, then

reposition the shallow clamshell half and re-measure.

c Subtract the amount measured at the preload gap from the

thickness of the shim pack placed onto the seal housing flange.

c Record the result as this is your true ‘end float’ amount.

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Arb RD111 User Manual Page 16