7. With the rocker arm reinstalled, automatic push-out, manual push-out, and rocker arm/release guide
clearance must be checked and adjusted. Refer to the “Adjustments” section.
NOTE: If the rocker arm cam follower roller has been replaced with a larger roller as
part of this service, it may be necessary to grind a path on the outside of the
tool changer cambox to provide clearance. Carefully verify clearance along
Z-axis travel. Interference with the cam follower during operation may lead to
dropped tools and spindle damage.
DT-1 - Spindle - Tool Clamp System - Air Cylinder - Replacement
1. Remove the clevis pin from the end of the air cylinder shaft. Access the pin and its retaining C-clips
through the hole in the spindle head casting (see photo in the previous section).
2. Remove the retainer block from each side of the air cylinder, then remove the air cylinder from the as-
sembly.
3. Install the air cylinder following the removal instructions in reverse order. Once the cylinder is in place, it
must be adjusted for correct operation. See the “Adjustments” section for details.
DT-1 - Spindle - Tool Clamp System - Drawbar Cam - Replacement
1. Jog the Z-axis to put the spindle motor fan in line with the cam, then press Emergency Stop.
2. Remove the spindle motor fan. The cam is accessible through this opening.
3. Remove the screws holding the cam, then carefully remove the cam from the shaft. You can use (4)
1/4-20 screws as jacking bolts to ease removal.
4. Lightly grease the cam shaft.
5. Line up the locator pin on the cambox with the locator hole in the cam and carefully press the cam onto
the shaft. Secure with (7) 3/8-16 x 0.75" screws torqued to 30 ft-lbs.
© Copyright 2015 by Haas Automation, Inc. No unauthorized reproduction.
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