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Changing Spindle
Speed
The Model G0823 has 12 spindle speeds, which
are selected by positioning the V-belts in various
configurations on the pulleys. V-belts and pulleys
are located inside the belt cover on top of the
machine.
Tools Needed
Hex Wrench 6mm .............................................. 1
To change spindle speeds:
1.
DISCONNECT MACHINE FROM POWER!
2.
Loosen motor lock lever shown in Figure
16, pull motor inward to relieve tension on
V-belts, then re-tighten lock lever.
Motor Lock Lever
Figure 16. Use lock lever when changing V-belt
positions to change spindle speed.
RPM
140
219
263
317
Spindle Pulley
-22-
Qty
Position
RPM
4-5
413
3-5
475
4-6
819
2-5
1075
1
2
3
4
Figure 18. Spindle speed chart.
3.
Open belt cover, then loosen two idler cap
screws (see Figure 17) that hold idler pulley
in place, so it can move freely.
Tip: Lower headstock for easy access (see
Adjusting Headstock Position on Page 26).
Idler Cap Screws
Figure 17. Spindle speed pulley system.
4.
With center and rear pulleys loose, move
V-belts to corresponding position for desired
speed (see chart below).
5.
Loosen motor locking lever and allow spring
to tighten rear V-belt, then re-tighten motor
locking lever.
6.
Retighten idler cap screws, then close and
latch belt cover.
Position
RPM
1238
3-6
4-7
1450
1-6
1770
2-7
2436
Idler Pulley
8
Model G0823 (Mfd. Since 2/16)
Position
3-8
1-7
2-8
1-8
Motor Pulley
5
6
7
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