Metric Threading Configuration - Grizzly G0776 Owner's Manual

Inch Threading Configuration
The end gears for inch threading are set up the
same as for power feeding (see Figure 73).
INCH
Upper
Position
127T Gear
"Z" Position
Gear
Figure 73. Inch feed chart change gears.

Metric Threading Configuration

Install either a 24T or 48T gear in the upper posi-
tion and mesh it with the 127T gear. Install the
appropriate gear in the "Z" position for the desired
thread pitch and mesh it with the 120T gear (see
Figure 74).
METRIC THREADS
120T Gear
Upper
Position
127T Gear
"Z" Position
Gear
Figure 74. Metric feed chart change gears.
INDICATOR TABLE
Model G0776 (Mfd. Since 7/14)
THREADS
End Gear Configuration Example
Follow the example below to better understand
how to configure the end gears for inch threading.
Tools Needed
Hex Wrench 5mm .............................................. 1
Open-End Wrench 16mm .................................. 1
To configure end gears for threading 32 TPI:
1. Locate 32 TPI on inch thread chart, then
locate 24T upper position gear and 48T "Z"
position gear (see Figure 75), which corre-
spond to 32 TPI. Gather 24T and 48T gears.
24T Gear
48T "Z"
Gear
Figure 75. Locating change gears for 32 TPI.
2.
DISCONNECT LATHE FROM POWER!
3. Remove headstock end gear cover.
4. While holding 120T/127T gears, loosen arm
support hex nut (see Figure 76) and slowly
let gears pivot down and away from upper
position gear.
Upper
Position
Gear
120/127T
Gears
Arm Support
Hex Nut
Figure 76. Arm support and end gears.
Qty
INCH THREADS
32 TPI
"Z" Position
Gear
Arm
Support
-53-