Arb RD84 Manuel d'utilisateur télécharger pdf (Page 19)

3 Installing the Air Locker

3.5 Drilling and Tapping the Bulkhead Port

An airline port must be drilled and tapped through the differential

housing to mount the bulkhead fitting into.

c Mark a spot on the top of the outside shell of the differential

housing approximately 38mm [1. 5”] in as shown in Figure 11.

Figure 11.

c Cover the drive pinion and axle tube areas with a rag to protect

them from metal filings.

c Drill through the housing square to the outside surface using a

11.2mm [7/16”] drill.

c Tap the hole from the outside using a ¼” NPT pipe tap.

c Remove any sharp edges from the hole that may chip-off and fall

into the housing.

c Carefully remove the rags and inspect with a service light inside the

housing to insure no metal filings are left behind.

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Arb RD84 Manuel d'utilisateur Page 19