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Picture 4: (1) Start, (2) Stop, (3) Auto Reverse on/off,
(4) Speed adjustment knob, (5) Emergency Stop,
(6) Digital Depth Scale.
Drill Spindle
The drill spindle is mounted in the upper and lower ball bearing. After one year of operation, we
recommend removing the spindle sleeve and adjusting the bearings if necessary.
• Remove the feed case a little bit so that the gear wheel is released from the spindle
sleeve.
• Adjust the bearings.
Removing or Adjusting the Spring Housing to Balance the Spindle
• Hold a pair of pliers in the two holes of the spring housing. At the same time, unscrew
the screw on the underside of the drill head, which holds the housing in position
(picture 5).
• Let the spring housing unwind so that the spring reaches a resting position.
• Turn the spring housing clockwise a few times so that the spring comes loose from the
screw holding it attached to the feeding shaft. Now the spring housing can be removed
with the spring in it.
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