OPTIMUM
M A S C H I N E N - G E R M A N Y
Operation
Version 2.2.2 dated 2014-03-07
Page 45
Original operating instructions
B24H | B24HV | B28H | B28HV
GB
4.9.3 Disassembly with the integrated drill drift on the B28H- B28HV
ATTENTION!
The tool and/or the drill chuck will fall
down. Hold the tool
or the drill chuck
while drifting it out.
ATTENTION!
Do not try to expel the tool when it is in the
intermediate position. This might cause
damages of the integrated drill drift or of
the feed handle.
With the below described procedure the taper
mandrel is being loosened from the drilling
spindle.
Move the sleeve as far down until the
locking pin
can be moved a little bit
(Img. 4-18 (b) intermediate position).
Move the locking pin
so far, until the
locking pin engages completely (Img. 4-18
(c) expulsion position).
Press the sleeve lever
with a fast and
powerful movement upwards.
The taper mandrel is pressed out of the
drill spindle.
Img.4-17:
Disassembly B28H - B28HV
Img.4-18:
Functional diagram of the drill drift (sectional view)
1
2
3
3
1
1
2
a)home position
b) intermediate posi-
c) expulsion posi-
