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Model G0773 (Mfd. Since 12/14)
10. Rotate the 91T gear up against the 30T gear
until they mesh with 0.002" to 0.004" back-
lash and re-tighten arm support cap screw
(see Figure 73).
11. Re-install end-gear cover.
Arm-Support
Cap Screw
Gear-Support
Shaft
30T Gear
90T Gear
86T Gear
91T Gear
Upper
Arm-Support
Cap Screw
Upper
Arm-Support
Upper
Arm-Support
Handle
Spindle Gear
(Behind Spindle
Pulley)
2nd Upper
End Gear
1st Upper
End Gear
Figure 73. Inch threading gear configuration.
Reverse Feed & Threading
Configuration
To configure end gears for reverse feed/
reverse threading operations:
1. DISCONNECT LATHE FROM POWER!
2. Open headstock end gear cover.
3. Loosen upper arm support cap screw shown
in Figure 74.
4. Pivot upper arm-support up so 2nd upper
arm gear and spindle gear mesh with 0.002"
to 0.004" backlash, then tighten upper arm-
support cap screw (see Figure 75).
For reverse feeding operations, the upper end-
gear arm support (see Figure 74) must be repo-
sitioned so the 2nd upper end-gear meshes with
the spindle gear.
Tools Needed Qty
Hex Wrench 6mm .............................................. 1
Figure 74. Reverse threading end gear
components.
Upper Arm
Support
Upper Arm
Support Cap
Screw
Upper Arm
Support
Handle
Spindle Gear
2nd Upper
End Gear
1st Upper
End Gear
Figure 75. Reverse threading gearing
configuration.
5. Re-install end gear cover.