Operation
Version 2.1.2 2018-09-13
Seite 33
Translation of the original instructions
B17Pro | B23Pro | B26Pro | B33Pro
DE
B17_
B23_
B26_
B33_
GB_
4
.f
m
OPTIMUM
M A S C H I N E N - G E R M A N Y
®
4.3
Speed change
Set the required speed within the range of
15 to 225% using the potentiometer (only
on Vario machines). If the required speed
is not available, you must change the posi-
tion of the V-belts.
Disconnect the machine from the elec-
trical supply.
Remove the screw fittings on the pro-
tective cover of the V-belts.
Img.4-4:
Belt drive
Open the protective cover.
Loosen the sliding rail screws on the right and left side of the drill head and shift the motor
towards the quick-action drill chuck using the handle.
WARNING!
Do not open the cover hood until the drilling machine is disconnected from the electrical
supply.
Close and screw down the protective cover after any adjustment to the saw belt speed.
ATTENTION!
Watch for the proper tension of V-belts.
Too heavy or too low tension of the belt can cause damage.
The belts are correctly tensioned, when it can be by pressing with the fingers for about 1
cm.
4.3.1
Speed tables
B17Pro
Protective cover
V-belt
Sliding rail screws
screws
Handle
2520
1900
1400
900
500
8 x 825 mm (Li)
Item No. 030 0317 1108
Master Labels
