3PM-727MV v6 2020-10 Copyright © 2020 Quality Machine Tools, LLC
New installation?
These are the points to watch out for!
But read the whole manual for specics
After uncrating the mill, please pay attention to the following:
• Handling the mill is at least a two-man job.
• Read the installation instructions, Section 2 of this manual.
• Handling the mill is at least a two-man job.
• Lower the center of gravity by cranking the headstock down
until the spindle nose is just clear of the table.
• Lifting gear – sling, hoist or forklift – must be rated for at
least 1000 lb.
Working location of the mill must allow:
1. Full left-right travel of the table.
2. Access to the back of the column for Z-axis leadscrew
maintenance (if against a wall, make sure it can be moved if
access is required).
• Power requirement is 110V, 60Hz, 1φ, 20A circuit protection .
• Extension cord not recommended; if no alternative, use 12
AWG not longer than 20 ft.
Before connecting power be sure that:
1. The machine is on a rm footing.
2. No chuck or collet is installed, and the drawbar is removed.
3. There are no clamps or locks on moving parts.
4. The gearbox contains OIL – check the sight glass at right of
the headstock.
5. The gear levers are set for the lowest speed: Hi-Lo to L, 2-3-
1 to 1.
6. The gears are fully engaged – hand-rotate (jiggle) the spin-
dle forward and back while applying light pressure on each
gear lever, listening for the click as the gears engage.
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