Operation
Feed and Thread Selection
1.Reference the feed and thread found on the gear box faceplate tables (A, Fig. 17 & page 22 of manual).
2.Move levers (B, C, D, E & F, Fig. 17) to the appropriate positions according to the chart.
Change Gears Replacement
The 25T, 127T, 50T gears are installed in the end gear compartment when delivered from the factory. This combination will cover most inch feeds and threads under normal circumstances.
The 30T, 32T, and two 40T gears found in the tool box are used with different combinations as indicated on feed and thread tables (A, Fig. 17).
1.Disconnect the machine from the power source (unplug).
2.Open the door on the left end of the headstock.
3.Loosen nuts (A & B, Fig. 18).
4.Move quadrant (C, Fig. 18) out of the way and hold in place temporarily by tightening nut (A & B, Fig. 18).
5.Remove hex socket cap screws (D and/or E, Fig. 18), depending on which gear is to be changed.
6.Install new gear(s) and tighten in place with a hex socket cap screw.
7.Loosen nut (B, Fig. 18), move quadrant back so teeth mesh on gears, and tighten nuts (A & B, Fig. 18).
Caution: Make sure there is a backlash
8.Close the door and connect the machine to the power source.
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