1-15-96 96-8100
HAAS AUTOMATION, INC.
107
MECHANICAL SERVICE
SERVICE
MANUAL
VF-SERIES
7. Go to MDI mode and press "T - 1 - ATC FWD".
NOTE: The machine may alarm at this time (Alarm 115 or 127). If this occurs, ZERO RETURN the Z-axis (ZERO RET -
SINGL AXIS) and repeat step 8. This step may need to be repeated two times to clear all possible alarms.
8. Press "T - 9 - ATC FWD". The tool changer should go to tool nine. If the tool changer travels to tool seven, the turret
motor is wired backwards. Reverse motor leads and repeat steps 7-10. Also, the turret should run quietly with no
strain in the motor, banging, or vibration.
9. Reinstall the tool carriage casting cover.
10. Test the tool changer for proper operation.
12.10 GENEVA STAR REPLACEMENT
NOTE: If the ATC Geneva star is damaged or worn in its driven slots, it must be replaced.
1. Turn the machine power off.
2. Remove the cover from the front of the ATC shuttle.
3. Remove the turret motor assembly (Refer to previous section).
4. Place a support for the ATC under the center of the carousel.
5. Loosen the nut inside the carriage casting that attaches the ATC carousel assembly to the casting. There is a socket
head in the top of the shaft to hold it stationary while loosening the nut.
6. Place the cardboard over the mill table and carefully lower the carousel until it rests on the table.
7. Remove the six SHCS that attach the Geneva star to the bearing housing on the ATC carousel.
8. Install the Tool #1 standoff on the replacement Geneva star.
9. Install the replacement Geneva star. Check the concentricity of the star to the shaft on the carousel assembly; it must
be within 0.005". If the star is not within tolerance, loosen the SHCS and adjust the alignment until it is acceptable.
10. Installation is reverse of removal. Be certain to grease the perimeter of the star before installation and readjust the
ATC in accordance with "Alignment Preparation" and "Shuttle Stroke Adjustment", if necessary.
12.11 ATC TRAP DOOR REPLACEMENT
NOTE: If the ATC trap door is damaged in a crash, it must be replaced.
1. Turn the machine power off.
2. Remove the turret motor assembly in accordance with the previous section.
3. Place a support for the ATC under the center of the carousel.
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