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Model G0602/G0752 (Mfg. Since 11/12)
-43-
3. Open the change gear cover, then loosen the
tensioner lock nut located on the other side of
the gear cover plate and the headstock.
The 33" belt is used on pulleys A and C (see
Figure 56) without the tensioner for 720, 1200,
and 2400 RPM.
Figure 58. Location of tensioner lock nut.
4. Move the tensioner to install the 27
1
⁄2" belt
between pulleys B and C, and in sheave 1,
as shown in Figure 55 on Page 42.
5. Re-tension the belt (refer to "Tensioning
V-Belt" on Page 63), then close the change
gear cover and secure it. The lathe is now set
for a spindle speed of 150 RPM.
Locking Nut
Figure 57. G0602 RPM chart.
RPM
Pulley
Combination
RPM Chart
To set the spindle speed to 150 RPM:
1. DISCONNECT LATHE FROM POWER!
2. Refer to the RPM chart in Figure 57 to deter-
mine the pulley combination you need to
achieve a spindle speed of 150 RPM—it is
BC1.
Follow along with the examples below for setting
the Model G0602 spindle speed to gain a better
understanding of this task.
Figure 56. Positioning belt for high speed.
Tensioner
Not Used
A
C
B
G0752 Configuration Example
The V-belt is positioned on the spindle and motor
pulleys with the tensioner (see Figure 59) to select
between low (100-800 RPM), medium (160-1300
RPM), and high (250–2000 RPM) speed ranges.
Figure 59. Positioning belt for low speed.
Tensioner
L M H
Motor
Pulley
Spindle
Pulley
Bolt