Grizzly G0750GV Owner's Manual page 54

2. Locate 18 TPI on inch threading chart below.
Gears
1 & V
Dials
A & C
Dials
18 TPI
Figure 75. 18 TPI and corresponding dial
positions.
3. Install 60T and 54T gears, as instructed in
Gear Configuration Example on Page 50.
4. Locate A and C to the left of 18 TPI and find
1 and V above it.
Note: In the next step, use the chuck key to
rock the spindle back-and-forth to help mesh
the gears as you make adjustments.
5. Verify carriage lock is loose (see Figure 76)
Figure 76. Location of carriage lock.
-52-
6.
Position
Figure 77.
Figure 77. Gearbox dial settings for 18 TPI.
The lathe is now set up to cut 18 TPI threads.
Apron Threading Controls
The half-nut lever engages the carriage with the
leadscrew, which moves the carriage and cutting
tool along the length of the workpiece for thread-
ing operations (see Figure 78).
IMPORTANT: Make sure the feed selection lever
is in the disengaged (middle) position before
attempting to engage the half nut.
Carriage
Lock
gearbox dials,
Feed Selection
Lever
Cross Slide
Disengaged
Carriage
Feed Selection
Lever
Figure 78. Apron threading controls.
Model G0750GV (Mfd. Since 03/18)
as shown in
Half-Nut
Lever
Disengaged
Half-Nut
Lever
Engaged