Chamberlain LA412 - Manual (Page 16)

8
TEST GATE TRAVEL
Manually open and close the gate.
Ensure that the operator does not bind against the pull-to-open bracket.
Ensure that the piston does not bottom out.
1/2" (1.3 cm)
Do not allow piston to fully extend
or fully retract.
1/2" (1.3 cm)
NOTE: If gate does not open and close completely adjust the position of the gate bracket and mark new mounting holes.
Installation 16