Should the motor pulley require changing, remove
the pulley on the motor by loosening the two grub screws
holding it to the shaft and on fitting the other pulley
check that it is in its correct position before tightening
the screws, by moving the intermediate wheel inward,
making sure that the rubber tyre runs in the centre of the
appropriate step and its side face is clear of the pulley
step face by
jz"
when set on 331 or 45 r.p.m.
The motor should be earthed by connecting a lead
from the earthing tag on the motor. Diagram 5, to a good
earth connection. For preference three core power supply
lead should be used, two connections being made to the
power supply terminals and the other to the motor earth
ing tag.
On final installation it is essential that the leads from
the motor are not strained tight but should be very loosely
looped so that the motor remains freely suspended on its
springs.
The shaft of the speed range knob is extended so
that a standard wafer switch may be fitted if required.
16
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