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PM-727MV v6 2020-10
Copyright © 2020 Quality Machine Tools, LLC
The power lamp should light.
4. Check the emergency function by pressing the E-
Stop button. The power lamp should go out, de-en-
ergizing the contactor circuit, disabling all electrics.
5. Restore power by twisting the E-Stop button rmly
clockwise.
Test run procedure
DO NOT LEAVE THE MACHINE UNATTENDED DUR-
ING THIS PROCEDURE
1. Gear levers set to L and 1 (115 rpm)? Gears fully
engaged? Speed control fully counter clockwise,
PM-727V only.
2. Test the spindle motor by pressing the Left and Right
motor switches in turn.
3. Run the spindle at 115 rpm for a few minutes, then
stop.
4. Select each of the available speeds in turn (L-2, L-3,
H-1, etc.). Check gear engagement each time, then
run for a few minutes.
The machine should now be ready for normal opera-
tions.
Optional
After a few hours of run time you may wish to drain the
gearbox to ush out any residue from the manufacturing
process. Rell the gearbox with the oil recommended in
Section 4.
Allow the spindle to stop com-
pletely before shifting gears
If this doesn’t happen, the E-stop func-
tion is defective, and needs attention
SPEED RANGES (rpm)
L1 40-190
L2 180-380
L3 350-560
H1 550-1000
H2 980-1860
H3 1800-3000
PM-727V USERS PLEASE NOTE ...
Not shown in Section 5:
• Spindle speed is transmitted to the tachom-
eter on the control panel by a sensor locat-
ed adjacent to spindle.
• The electrical schematic does not show the
PM-727V variable speed drive. This replac-
es entirely the motor and motor witching
circuit shown in the schematic.
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