96-8100 1-15-96
98
MECHANICAL SERVICE
HAAS AUTOMATION, INC.
SERVICE
MANUAL
VF-SERIES
12.1 CARRIAGE CASTING REPLACEMENT
NOTE: If the carriage casting is damaged in a crash, it must be replaced. Look specifically for broken bosses where the
roller bolts mount to the casting. If the carriage casting is broken off of the holding plate but not damaged, only the
roller bolts need be replaced.
1. Turn the machine power off.
2. Remove the left side enclosure panel of the machine.
3. Disconnect all cables from the carriage casting and remove any bolts holding the ATC to the holding plate.
NOTE: If the carriage casting has been damaged, replacement is necessary; move the ATC to a bench and remove all
components from the damaged carriage casting and place in the new casting. Skip to Step 6 for replacement.
4. Place a piece of cardboard over the machine's table, and carefully lower the carriage casting (with carousel) onto
the machine table.
5. If the carriage casting has crashed and/or has been broken off of the holding plate, it should be inspected for
damage before going any further.
6. Remove any damaged roller bolts from the carriage casting. Replace with new bolts.
7. With a lifting device, carefully lift the ATC assembly up and onto the holding plate.
NOTE: Ensure the cam follower on the slip clutch engages the slot on the carriage casting.
8. With the ATC assembly securely supported, install the lower roller bolts and adjust in accordance with "Roller Bolt
Replacement".
9. Repair or replace any cables damaged and adjust the ATC. Align the ATC assembly in accordance with the
following sections, and set Parameter 64 in accordance with "Spindle Motor and Transmission" section.
12.2 ROLLER BOLT REPLACEMENT
1. Remove the shuttle motor cover from the back of the machine (VF-0, VF-1, VF-2).
2. Place a support under the center of the carousel.
3. Loosen the eccentric locks on the bottom roller bolts.
CAUTION! Ensure the ATC is securely supported, otherwise it may fall when an upper roller bolt is removed.
4. Carefully remove the damaged roller bolt from the ATC shuttle and replace with a new bolt.
NOTE: REPLACE ONLY ONE ROLLER BOLT AT A TIME. Carefully inspect the v-groove rollers for roughness or damage,
and replace if necessary.
5. Tighten the eccentric locks on the bottom rollers until there is no play between the rollers and the V-guide on the ATC
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