Graco LSR Select Instructions Manual page 106

Appendix C - Setting Home Position on Pumps
4. Locate home position for the inhibitor, catalyst, and
color pumps (1093 valves).
NOTE: There is no reason to disconnect the motors to
move the couplings for these pumps.
a. Locate the inhibitor, catalyst and color pumps
so there is about 5/16" between the block and
connection bar.
b. Insert a screwdriver in the lower slot and turn
the coupling.
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5/16"
ti18129a
ti18130a
c. Turning the coupling clockwise retracts the
shaft, turning counter-clockwise extends the
shaft.
5. When the pump home positions are set, push the
SET HOME button.
6. Press the ENABLE DRIVE button.
7. The motor positions will now read zero
3A2152B