7
Fig 6
7.3 Changing Spindle Speeds
Stepped Pulley Setup:
Two different speed ranges can be
chosen by changing the belt positon.
Disconnect the machine from the
power source (unplug).
Remove the pulley cover (B, Fig 1).
Loosen the indexable lock handles (S,
Fig 7) and release belt tension with
the tension lever (T, Fig 7).
Fig 7
Chose the desired speed range
- Upper pulley position:
270-2000 and 500-3800 RPM
- Lower pulley position:
135-1000 and 270-2000 RPM
Tension the belt and close the pulley
cover.
Start the machine with care.
2 Speed MotorSetup:
The speed selector switch ( I, Fig 1) is
used to determine direction of spindle
rotation (Fwd/Rev) and to set the
motor speed (step 1 or 2).
WARNING:
Do not change the spindle running
direction while machine is running.
Improper operation may damage the
Fw/Rev switch.
Variable Spindle Speed Setup:
To quickly and variably adjust the
speed, rotate the speed adjust
handwheel (M, Fig 8).
Fig 8
Note:
Change speed only while the drill
press is running.
Speed Display:
The RPM readout (H, Fig 1) displays
the actual speed.
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.
Lubrication:
Periodically grease the rack of the
table elevating mechanism.
Periodically oil the gears of the
elevating mechanism (Fig 9).
Fig 9
Periodically grease the drive splines
(grooves) of the spindle (Fig 10).
Fig 10
Periodically grease the quill and the
rack of the spindle .
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.
