g. Spindle speed change:
The speed of spindle is controlled by a set of sliding belt
pulleys and a counter shaft gear. There are two
options (High and low). High gear is for RPM from 500
to 3,000 and low gear for RPM from 60 and 580. When
high-low lever “J” (Fig. 13) is in the forward position it
is in high gear, when facing back it is in low gear.
Note: To change from high to low:
a.
The spindle must be stopped.
b.
Moving the spindle slightly by hand when
shifting from high to low makes it easier for the
gears to engage. You will feel a click when it
engages.
c.
The direction of the spindle is reversed when in
low gear. This can be overcome by the use of
“FOR” “REV” switch.
h. Speed change handwheel:
a.
Do not change speed when spindle is stopped.
b.
Do not run spindle in excess of 3,000 RPM.
c.
Slow speed changes are advised, to prevent premature wear
on the belt, pulley, and other internal parts.
G
J
Figure 13
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