7
Fig 7
The drill bit will now advance only to
this point.
7.3 Changing Spindle Speeds
Unplug the machine from the power
source.
Loosen the locking screw (W, Fig 8)
on the pulley cover, then open the
cover.
Fig 8
Loosen belt tension lock knob (B).
Swing the motor as close to the head
as possible.
Change the belt location according the
speed chart and the speed you desire
(Fig 9).
Fig 9
Tension the belt and tighten the lock
knob (B, Fig 8).
Belts are properly tensioned when
finger and thumb pressure midway
between the two pulleys causes
approximately 10 mm deflection.
Close and lock the pulley cover with
the locking screw (W). .
7.4 Table Tilt Adjustment
Disconnect the machine from the
power source (unplug).
Loosen the hex cap bolt (X, Fig 10) to
tilt the table.
Caution:
Only loosen the hex cap bolt slightly,
otherwise the table assembly will
separate from the column and fall.
Fig 10
Tighten the hex cap bolt.
7.5 Return Spring Adjustment
Disconnect the machine from the
power source (unplug).
The return spring is adjusted at the
factory and should not need further
adjustment.
If adjustment is necessary:
Loosen the lock nut (A, Fig 11)
approximately 6mm (do not remove).
Fig 11
Firmly hold the coil spring cover (B).
Pull out the cover and rotate until the
pin (C) engages the next notch in the
coil spring cover. Turn the cover
clockwise to decrease tension and
counter-clockwise to increase tension.
Tighten the lock nut (A). Do not over-
tighten. Nut should not contact the
housing when tight.
8. Maintenance and inspection
General notes:
Maintenance, cleaning and repair
work may only be carried out after
the machine is protected against
accidental starting by pulling the
mains plug.
Periodically lubricate gently with
grease.
-the drive splines (grooves) in the
spindle
-the teeth of the quill
-the column-rack
Clean the machine regularly.
Defective safety devices must be
replaced immediately.
Repair and maintenance work on the
electrical system may only be carried
out by a qualified electrician.
9. Trouble shooting
Motor doesn’t start
*No electricity-
check mains and fuse.
*Defective switch, motor or cord-
consult an electrician.
