9 Clamping wedge and mandrel assembly BRB 4
Operating instructions BRB
54
(08.10)
MT_BRB_BA_04_790086762_00.doc
orbitalum tools
gmbh
9.5
Replacing the mandrel: BRB 4 "NC"
For the mandrel overview, see chap. 9.1.2, p. 45.
BRB Electric:
Danger of death by electric shock.
Prior to assembly, dismantling, maintenance and adjustment work, dis-
connect the BRB from the power supply and let it come to a complete stop.
BRB Pneumatic and BRB Pneumatic/Auto:
Risk of injury from the compressed air valve being actuated inadvertently
so that the machine is started.
Prior to assembly, dismantling, maintenance and adjustment work, dis-
connect the BRB from the power supply and let it come to a complete stop.
9.5.1
Replacing the mandrel:
BRB 4 "NC" with mandrel Ø 19.05 and Ø 34.50
1. Remove the clamping wedges (for mandrel dia. 19.05, see chap. 8.3.1,
p. 33 and for mandrel dia. 34.5 see chap. 9.3.3, p. 50).
2. If the mandrel dia. is 19.05 mm, the tool mounting plate must now be
removed; if the mandrel dia. is 34.5 mm, no tool mounting plate must be
removed.
3. Use mounting aid (1) (Code 790 085 490) to unscrew clamping wedge
attachment (2) in the direction of the arrow and remove it.
Warning,
lefthand thread!
4. Rotate clamping nut (3) down from the mandrel (5).
5. Rotate mandrel (5) in the direction of the arrow with the ratchet wheel (4).
6. Pull mandrel (5) out of the housing (6).
DANGER
WARNING
5
6
3
4
2
1