Acer e-mill 3VSII Operation Manual page 102

Vertical turret w/ toshiba & fuji inverter
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When shifting to "LO" DO NOT FORCE THE LEVER if the back -gears to not
mesh. Hold the lever so that the gears are clear of one another, r otate the spindle
nose by hand until the gears line up, then put the unit in "LO" (back -gear).
500 to 4500 RPM is obtained through the direct drive and is referred to as high
range. The same procedure as above is used to select this range, except the HI -
NEUTRAL-LO lever is set in the "HI" position.
Wear on the V belt will cause a slight difference between the actual speeds and
those shown in dial windows . This can be corrected as follows: Turn the variable
resistor knob clockwise until it stops . (This will be near the 4500 reading on the
counter.)
Use a tachometer to determine the spindle speed, and then adjust the
parameter value inside the inverter until the spindle speed registers 45 00 on the
tachometer.
DO NOT SHIFT THE HI -NEUTRAL-LO LEVER WHEN
DO NOT LOOSEN the 3 hex nuts on the upper part of the Quill Housin g. These are
set at the factory and are used only for alignment.
SWIVELING THE VARI -DRIVE may be accomplished by loosening the lower 3
hex nuts attaching the Vari -Drive unit to the quill housing and then swiveling to
any desired position. See arran gement of T-Bolts in Gear Housing for this purpose.
CARE MUST BE TAKEN T O SECURE THE NUTS WHEN
THE ATTACHMENT IS IN POSITION, BEFORE THE
CAUTION
THE FEED GEAR IS ENG AGED.
CAUTION
MOTOR IS TURNED ON.
- 101 -

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