OPTIMUM
M A S C H I N E N - G E R M A N Y
Operation
21 / 07 / 2014
Page 35
Operation Upright drill B34 H/ B34 H Vario ; Version 1.0.5
2
014
US
4.6.2
Trouble shooting
4.7
Speed variation
WARNING!
Danger due to drill chuck or tools flying off at high speed. Make sure not to exceed the
maximum speed of the drill chuck when setting the spindle speed.
Switch off the main switch of the
machine
.
Open the protective cover.
Loosen the clamping lever of the
V-belt tension.
Put the V-belt to the required
position.
Tension the clamping lever.
Close the protective cover.
Img.4-9: Lever for the V-belt tension
Problem
Possible cause
Solution
Flashing display
•
Voltage too low
•
Change battery
Screen doesn't refresh
•
Disturbance in the circuit
•
Remove the battery, wait 30
seconds and re-insert the bat-
tery.
No data visible
•
No power supply
•
Battery voltage less than
1,55V
•
Clean battery contacts
•
Replace battery
V-belt
lever
V-belt tension
TENSIONED
RELEASED