Changing The Speed - Axminster AC285PD User Manual

Changing the Speed

WARNING! DISCONNECT THE PILLAR DRILL FROM
THE MAINS SUPPLY BEFORE CONTINUING!
To release the tension, loosen the two motor yoke locks on
either side of drilll head, push the motor assembly up against
the drill head casting, thus releasing the tension on the pulleys,
see figs 33-34.
Refer to the (speed select table on page 21) and ascertain the
belt positions for speed required.
AC285PD Drive Pulley
AC315PD Drive Pulley
WARNING! TAKE CARE NOT TO TRAP YOUR FINGERS
WHEN REPOSITIONING THE BELT ON THE PULLEYS!
Radial Drills
To release the tension, loosen the motor yoke tensioning locks,
push the motor up against the drillhead casting, thus releasing
the tension on the pulleys, see fig 35-36.
Fig 35-36
Fig 33-34
Turn the pulleys to check the belts move freely. Tension the
pulleys by pushing the motor assembly out and securing the
motor yoke butterfly knob to lock the motor assembly in
position. Lower the belt and pulley cover carefully, (remember
the micro switch).
If all seems satisfactory, recommence drilling operations.
18
WARNING! TAKE CARE NOT TO TRAP YOUR FINGERS
WHEN REPOSITIONING THE BELT ON THE PULLEYS!
RE-CONNECT THE SUPPLY AND SWITCH ON. CHECK
THE DRILL RUNS SMOOTHLY, NO HARD VIBRATION.
Motor yoke lock