Model G0784 (Mfd. since 03/15)
-21-
3. Open belt cover, then loosen two idler cap
screws (see
Figure 13) that hold idler pulley
in place, so it can move freely.
Tip: Lower headstock for easy access (see
Headstock Position on Page 24).
Figure 13. 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.
Idler Cap Screws
Spindle Pulley
Idler Pulley
Motor Pulley
2
3
4
5
6
8
1
7
RPM
Position
RPM
Position
140
4-5
819
1-6
219
3-5
1075
2-7
263
4-6
1238
3-8
317
2-5
1450
1-7
413
3-6
1770
2-8
475
4-7
2436
1-8
Figure 14. Spindle speed chart.
Changing Spindle
Speed
The Model G0784 is capable of twelve different
spindle speed RPMs. Spindle speed is controlled
by the configuration of V-belts and pulleys located
inside the belt cover on top of the machine.
Tools Needed
Qty
Hex Wrench 6mm .............................................. 1
To change spindle speeds:
1. DISCONNECT MACHINE FROM POWER!
2. Loosen motor lock lever shown in Figure
12, pull motor inward to relieve tension on
V-belts, then re-tighten lock lever.
Figure 12. Location of motor lock lever, used
when changing V-belt positions to select desired
spindle speed.
Motor Lock Lever
Summary of Contents for G0784
Page 48: ......
