Model G0740 (Mfg. Since 11/12) -5-
D. Threading and feed Charts: Displays the
necessary configuration of the gearbox levers
and end gears for different threading or feed-
ing options.
E. Gearbox Range Lever: shifts the quick-
change gearbox into low range, neutral, or
high range.
f. Headstock feed Direction Lever: Controls
the direction that the leadscrew and feed rod
rotate.
G. Quick-Change Gearbox Levers: Control the
leadscrew and feed rod speed for threading
and feed operations.
Two-Speed Motor Switch
Controls &
Components
refer to figures 2–6 and the following descrip-
tions to become familiar with the basic controls of
this lathe.
two-speed
motor switch
figure 2. location of the two-speed motor
switch.
figure 3. headstock controls.
b
a
C
D
e
F
g
Headstock
A. Spindle Range Lever: selects the speed
range on the left (high) or right (low) spindle
speed chart to be active.
b. Spindle Speed Charts: Display the arrange-
ment of the spindle range and spindle speed
levers for each of the 16 spindle speeds. the
two-speed motor switch enables the avail-
able speeds from the high or low spindle
speed chart.
C. Spindle Speed Lever: selects one of the four
available spindle speeds within the selected
speed range.
the two-speed motor switch has three positions:
• low (left position), enables speeds in the
right headstock spindle speed chart
• oFF (middle position)
• high (right position), enables speeds in the
left headstock spindle speed chart