Transmission & Stop Of Spindle; Spindle Speed Selection - Acer Dynamic 1722S Operation Manual

High speed precision engine lathe
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4-2 Transmission & Stop of Spindle
After the procedure described previously in this manual has been done, it is time to test run the
machine.
Position the spindle speed H/L shifting lever #2 to "L", the spindle speed shifting selection lever
#3 to the very left side, and forward/reverse shifting lever #4 to "N" position. Lift the spindle control
lever (#11 of item 1-1), the spindle will rotate forward, press down the lever, the spindle will rotate
reverse; in 'Neutral' position, the spindle will stop. For normal forward & reverse rotation, always
operate the spindle control lever. For emergency stop, step on the foot brake, the spindle control
lever should push back to 'Neutral' position after stepping the foot brake. Afterward, please restart
the spindle.
Turn the coolant supply button (#10 of item 1-1). Adjust the coolant control ball valve for the
required coolant flow.

4-3 Spindle Speed Selection

Spindle speed selection is made up from combination of three speed-shifting levers:
1. Spindle speed shifting lever
2.
Spindle speed H/L shifting lever
3.
Spindle speed shifting selection lever for total of 12 spindle speed numbers
Put the spindle speed H/L shifting lever to 'neutral' gear between 'H' and 'L' rotate the spindle
by hand.
Figure 4-2
20

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