Haas VF Series Service Manual

1-15-96 96-8100
HAAS AUTOMATION, INC.
97
MECHANICAL SERVICE
SERVICE MANUAL
VF-SERIES
11. Loosen the six ¼-20 x 1" SHCS and remove the bearing sleeve from the motor housing. Hand-turn the lead screw
in an upward direction to push the bearing sleeve out of the motor housing.
CAUTION! DO NOT PRY THE BEARING SLEEVE AWAY FROM THE MOTOR HOUSING. DAMAGE TO THE
SLEEVE, BEARING, OR THE LEAD SCREW WILL RESULT.
INSTALLATION -
1. Ensure all mating surfaces on the bearing sleeve, motor housing, nut housing, and ball nut are free of dirt, burrs,
grease, or other contaminants.
CAUTION! MATING SURFACES MUST BE CLEAN OR MISALIGNMENT MAY OCCUR, SERIOUSLY AFFECTING THE
PROPER OPERATION OF THE MACHINE.
2. Slide the bearing sleeve into the motor housing and start all six ¼-20 x 1" SHCS into the motor housing. (Place a
drop of blue Loctite® on each of the SHCS before inserting.)
3. Tighten the six ¼-20 x 1" SHCS that attach the bearing sleeve to the motor housing.
4. Loosely install the clamp nut on the lead screw at the motor housing end.
5. Reinstall the hard stop on the bearing housing end of the lead screw.
NOTE: For the angular contact design bearing, no pre-load is necessary. Follow the procedures as outlined in "X-Axis
Bearing Sleeve" section.
6. Reinstall the axis motor in accordance with "Z-Axis Motor-Installation".
7. Remove shaft stop.
8. Check for backlash in the Z-axis lead screw (Troubleshooting section) or noisy operation.
12. AUTOMATIC TOOL CHANGER
TOOLS REQUIRED:
½" DRIVE RATCHET HYDRAULIC JACK
10" EXTENSION (½" DRIVE) DIAL CALIPER
1-2-3 BLOCK
CARDBOARD
LEVEL, STARRET #98
TWO-JAW PULLER

Haas VF Series Specifications

General

Machine Type	Vertical Machining Center
Control	Haas CNC Control
Z-Axis Travel	20-30 inches (varies by model)
Y-Axis Travel	16 - 30 inches (varies by model)
Spindle Motor	20-30 hp (depending on model)
Tool Capacity	20-40 tools (varies by model)