Arb RD80 Manuel d'utilisateur télécharger pdf (Page 16)

4 Installing the Air Locker

4.3 Drilling and Tapping the Bulkhead Port

A port must be drilled and tapped through the differential housing to

allow the seal housing tube through the housing to connect with the air

line from the air compressor.

c Mark a spot for the bulkhead port on the right hand (seal housing)

side toward the top of the differential housing that is in an area that

will be well clear of the ring gear, the differential, and any other

obstructions that may snag the seal housing tube.

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

them from metal filings.

Figure 7.

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

11.2mm [7/16”] drill. (Fig.7.)

c Tap the hole from the outside using a ¼’’ NPT tapered pipe thread

tap.

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

into the housing.

c Very carefully remove rags and inspect with a service light inside

the housing to insure no metal filings are left behind.

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Arb RD80 Manuel d'utilisateur Page 16