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Model G0773 (Mfd. Since 12/14)
Primary Threading Configuration
This configuration is used for all inch threading
except for 19TPI. Mesh the "G" position gear with
the 91T change gear, and mesh the 91T change
gear with the 90T gear on the lower shaft, as
shown in Figure 67.
Figure 67. End gear configuration for inch
threading.
Secondary Threading Configuration
This configuration is used for metric and 19TPI
threading. Mesh the "G" position gear with the
91T change gear, and mesh the 86T change gear
with the 90T gear on the lower shaft, as shown in
Figure 68.
Figure 68. End gear configuration for metric and
19TPI threading.
End Gears
This section explains how to configure end gears
for feeding and threading operations.
Power Feed Configuration
The end gears are preset by the factory for power
feeding (see Figure 66).
Figure 66. Gearing configuration for power
feeding.
"G" Position
Gear 30T
(Upper Shaft)
Gear 91T
(Middle Shaft)
Gear 90T
(Lower Shaft)