1-15-96 96-8100
HAAS AUTOMATION, INC.
117
MECHANICAL SERVICE
SERVICE
MANUAL
VF-SERIES
If machine is equipped with Through the Spindle Coolant option:
NOTE: "Tool Clamped" jumper is necessary to start the spindle.
If the drawbar has been replaced, perform the following:
l Place a tool holder in the spindle.
l Remove the Tool Release Piston.
l Run the spindle at 1000-2000 RPM. NOTE: New spindle must be run at 300 RPM for two hours before
running at 1000-2000 RPM. Polish the sides and top surface of the drawbar using 600 grit sandpaper. The
sides of the drawbar must be mirror smooth for the first 1/8". Round off the corner of the chamfer so the seal
can ride over it safely. The top of the drawbar needs to be smooth.
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