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For Machines Mfg. Since 3/11 EVS Toolroom Lathe w/DRO
-33-
PREPARATION
7. Move the spindle speed range lever to low
speed range 1 (18-55 RPM), as shown in
Figure 25.
Note: You may need to rock the spindle back-
and-forth by hand to mesh the gears.
Figure 25. Spindle speed range lever.
8. Move the gearbox range lever on the
headstock to the neutral (middle) position to
disable power feed, as shown in Figure 26.
Figure 26. Gearbox range lever in neutral.
LOW
HIGH
Neutral
9. Pull up on the half nut and the feed ON/OFF
levers (see Figure 27), then use the carriage
handwheel to move the carriage back and
forth to ensure that it is not engaged with
the leadscrew or feed rod.
Note: Steps 8–9 will ensure that the carriage
and cross slide do not unexpectedly move
during the following steps.
10. To prevent the spindle from rotating when
power is applied to the motor, move the
spindle ON/OFF lever to the OFF (middle)
position (see Figure 27).
11. Turn the master power switch ON, then
reset the STOP button by twisting it
clockwise until it pops out. The headstock oil
pump will turn ON.
12. Observe the oil pump tube through the sight
glass on the headstock (see Figure 28).
Verify that you see oil flowing.
Important: The headstock has a pressurized oil
system that is equipped with a pressure
safety switch. If the oil is not properly
flowing, the lathe will not start.
Figure 27. Apron controls for test run.
Half Nut Lever
Spindle ON/OFF
Lever
Feed ON/OFF
Lever
Engaged
Disengaged
Engaged
Disengaged
Half Nut Lever
and Half Nut
Feed ON/OFF
Lever
Figure 28. Headstock oil sight glass.
Verify oil is
flowing here