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Break-In Procedure
During manufacture and testing, this lathe has been
operated in the low R.P.M. range for three hours.
To allow time for the gears and bearings to break-in and
run smoothly, do not run the lathe above 755 R.P.M for
the first six hours of operation and use.
Operation
Feed and Thread Selection
1. Reference the feed and thread tables (A, Fig. 16)
found on the gear box faceplate.
2. Move levers (B, C, D&E, Fig. 16) to the appropriate
detent positions according to the chart.
Change Gears Replacement
Note:
the 25T×127T×50T gears are installed in the end
gear compartment when delivered from the factory. This
combination will cover all inch feeds and threads under
normal circumstances. The 30,32, two 40 teeth gears and
other gears found in the tool box are used as indicated on
feed and thread tables (A, Fig. 16)
1. Disconnect the machine from the power source.
2. Remove the end cover on the left end of the
headstock.
3. Loosen nuts (A&B, Fig. 17).
4. Move quadrant (C, Fig. 17) out of the way and hold in
place temporarily by tightening nut (B, Fig. 17).
5. Remove hex socket dap screws (D and/or E, Fig. 17),
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. 17), move the quadrant back so
tooth mesh on gears, and tighten nuts (A&B, Fig. 17).
Caution: Make sure there is a backlash
of .002
”-.003” between gears, Setting the gears
Fig. 16
Fig. 17
14
A
B
C
E
D
