Mueller B-101 - Removal and Replacement of Boring Bar Bearing; Procedure to Remove the Boring Bar Bearing; Procedure to Replace the Boring Bar Bearing

To Remove The Bearing
NOTE: It is not necessary to
remove the Boring Bar from the
Feed Sleeve .
1. Punch or pull out the Retaining
Pin (part no. 48130) from the
Knockout Pin (part no. 500693).
2. Remove the Knockout Pin.
3. Remove the Tool Retaining
Screw (part no. 500694) from the
Boring Sleeve (part no. 500691).
MUELLER
®
B-101
TM
and B-100
TM
Drilling and Tapping Machines
Removal and Replacement of Boring Bar Bearing
12 13
4. Slide the Bearing and Bearing
Sleeve off the lower end of the
Boring Bar.
5. Slide Bearing (part no. 500692)
off the Bearing Sleeve (part no.
500691) with a twisting motion.
To Replace The Bearing
1. Place Bearing on Bearing Sleeve.
When the Bearing is placed on the
Bearing Sleeve the bottom of the
Bearing should rest on Bearing
Sleeve Shoulder and the top of the
Bearing should be flush with the top
of the Bearing Sleeve. Knockout
Pin holes in both Bearing and
Bearing Sleeve will then be easily
aligned.
2. Slide Bearing and Bearing Sleeve
on Boring Bar, align holes and
replace Tool Retaining Screw.
3. Align Knockout Pin holes in
Bearing with holes in Bearing
Sleeve and replace Knockout Pin.
Keep the flattened portion in the
middle of the Knockout Pin facing
the lower end of the Boring Bar.
4. Replace Retaining Pin through
bottom hole in Bearing and into hole
in the Knockout Pin.