426
OPTIONS
96-8000
June 1999
24. Manually push the pallet adjacent to the receiver off the APC and onto the receiver. If necessary,
use the chain position adjustment tool to rotate the chain until the chain drive roller clears the drive
leg pawl.
WARNING!
Do not push the wrong pallet off the APC. It can cause serious injury,
and will damage the machine.
25. Push the pallet between the receiver and the APC a number of times. As the pallet goes over the
receiver rollers, note if the Y or Z axis is out of alignment.
If the alignment is slightly off in the Y-axis, handle jog the table in the Y-axis (in increments of
.001) until pallet loading and unloading is smooth. Record the final Y-axis position in macro
variables #501 and #503. These two variables should be set to the same value initially, and may
be adjusted separately later if either loading or unloading is not smooth.
If alignment appears to be incorrect in the Z-axis, adjust the APC height by turning the leveling
screws until pallet loading and unloading is smooth.
26. Push the pallet back onto the APC. In MDI mode, command an M15 to move the pallet to load
position #2. Repeat Steps 24 and 25 above for pallet #2.
The APC height and the Y-axis alignment (macro variables #501, 503, 505, and 507) are now set.
27. In MDI mode, command an M18 to clamp the pallet and close the automatic door.
Note: The message "PEND MOVE - CY/ST" will appear and motion will stop during
an M18. The CYCLE START button must be pressed to continue motion.
28. The X-axis alignment must now be checked. To do this, perform the following steps :
Place a program in MDI that consists of an M36 (flash "Pallet Ready" light), an M50 (pallet change), and an
M99 (repeat).
Press CYCLE START and the PALLET READY light will flash.
Press PALLET READY, and the pallet will start to load. Important! When the chain starts to move, immedi-
ately press FEED HOLD. This will cause the pallet to load, but not be clamped.
When the pallet has stopped, check that the bushing in the bottom of the pallet is directly over the locating pin
in the receiver (within+/- .09). If not, change the appropriate macro variable and push the pallet against the hard
stop.
Press CYCLE START. The pallet should go down fully.
Note: The machine will beep during a pallet change. This is an audible warning
signal, and not an alarm.
29. To confirm the correct X-axis pallet load positions, run the program that consists of an M36, M50,
and M99 again. Note any places that the process does not run smoothly, press FEED HOLD, and
change one of the macro variables to adjust this misalignment.
Note: Make sure to confirm the alignment at both pallet load positions. After
confirmation the variables should be written down or saved to disk.
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