Arb RD85 Manuel d'utilisateur télécharger pdf (Page 21)

4 Installing the Air Locker

4.7 Modifying the Bearing Cap

4.7.1 Drilling the Bearing Cap

c Hold the bearing cap steady for drilling in a soft jawed vise clamp.

NOTE : Do not apply too much clamping pressure with the

vise. The bearing cap may be damaged.

c Using a pedestal drill, drill a 5.0mm 3/16’’] hole through the bearing

cap where the seal housing tube hole has been marked.

(Fig.9.)

Figure 9.

c Remove the bearing cap from the vise, turn it upside down, and

re-clamp it in the vise.

c The drilled hole must be chamfered approximately 3mm [1/8”] to

remove any sharp edges that may chip-off and for clearance

around the solder joint at the base of the tube. (Fig. 10.)

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Arb RD85 Manuel d'utilisateur Page 21