User manual
Changing the Speed
16
WARNING! DISCONNECT THE
PILLAR DRILL FROM THE MAINS
SUPPLY BEFORE CONTINUING!
Locate and loosen the motor yoke butterfly locks (A).
Locate the drive belt tensioning lever (B), (see fig 27)
turn it clockwise, to move the motor assembly “in”.
This will release the tension from the drive belts (See
figs 29-30-31-32).
Fig 27
Turn the pulley train,see fig 28 to check the belts
move freely. Tension the whole belt train by turning
the drive belt tensioning lever (B) anti-clockwise, to
WARNING! TAKE CARE NOT TO
TRAP YOUR FINGERS WHEN
REPOSITIONING THE BELT ON
THE PULLEYS!
Refer to the speed select table and ascertain the belt
positions for the speed you require. Move the belts to
these positions.
Fig 28
Fig 29-30-31-32
Turn anti-clockwise
to tension the belts
Turn clockwise to
slacken the belts
move the motor assembly “out”. Tighten the motor
yoke butterfly knobs (A) to lock the motor assembly
in position.
A
B