Grizzly G0509 - Manual (Page 29)

G0509 & G0509G 16" x 40" Lathe
-27-
figure 20. gearbox controls.
gearbox speed
range lever
the gearbox has a series of levers used for con-
trolling the feed rod and leadscrew feed rates in
relationship with the spindle speed. Based on the
threading and feed rate chart, you can shift the
gearbox to accommodate an elaborate array of
feed rates.
depending on the spindle orange/blue range
lever position, the gearbox speed range lever
(
figure 20) has eight available positions for
various threading and power feed opera-
tions.
—When the spindle orange/blue range lever
( figure 20) is pointing to the blue-spindle
speed chart, the left-hand selections 1, 3,
5, 7 are available.
—When the spindle orange/blue range lever
( figure 20) is pointing to the orange-spin-
dle speed chart, the right-hand selections
2, 4, 6, 8 are available.
Example:
in
figure 20, the spindle orange/blue range lever
is pointing to the orange-spindle speed chart, and
position "
8" is selected from the available 2, 4, 6,
8 positions.
NOTICE
only shift the gearbox levers when spindle
speed is less than 500 rpm and the gear-
box speed range lever is in neutral. never
force a lever. if the lever will not engage, use
the jog button when applicable so the teeth
mesh and the lever drops into position.
gearbox speed
range lever
use orange
selections
2,4,6,8
spindle
orange/Blue
range lever