DeZURIK
R3 PowerRac
TM
Cylinder Actuator
August 2016
Page 13
D10359
Adjust only the right-side lock screw to lock the actuator in the open position. Adjusting
the wrong screw does not lock the actuator, and can result in personal injury or
equipment damage.
2.
Loosen the jam nut (B65) on the
right
side lock screw (B64), as viewed when facing the top of
the heads of the lock screws. Hold the lock screw from turning, and turn the jam nut several
turns counterclockwise, to the head of the lock screw.
3.
Turn the
right
side lock screw clockwise several turns until resistance is felt from the lock
screw contacting the notch in the gear (B8). Tighten the lock screw to 5 to 10 foot pounds (7
to 14 Nm) to assure that the lock screw is contacting the gear.
4.
Turn the
right
side jam nut clockwise against the actuator housing. While holding the lock
screw from turning, tighten the jam nut to 140 ± 18 foot pounds (190 ± 24 Nm).
5.
Place and lock the lockout cover assembly (B60) on the head of the
right
side lock screw.
