6500 Series Control Head Hydraulic Shock Information
The 6500 Series Control Head utilizes a spring loaded index pin for auto-centering the cam
Set properly, the shock will allow a turnstile or gate to self-center while rotating smoothly
without slamming.
use a .75” diameter shock while larger full heights use a 1” diameter shock.
Hydraulic Shock
Index Pin
3/4” Hydraulic Shocks:
Setting:
Loosen the set screw on the head of the dial
and turn the knob. The dial can be set
between 0 and 8. The higher the number, the
stronger the shock is. Tightening the set screw
can alter the shock strength so a good habit is
to loosen the set screw, turn the dial, tighten
the set screw then test your setting. Repeat
Replacement:
Thread the new shock into the shock housing
as far as it will turn while the cam is in the
home position. Once it bottoms out, thread
the shock back out 1.5 - 2 turns until the
numbers on the dial are facing upright. Some
models may require an additional turn or two
outward if the arm does not self center on
even the lowest setting.
1” Hydraulic Shocks:
Setting:
Loosen the set screw on the head of the dial
and turn the knob. The dial can be set
between 0 and 8. The higher the number, the
stronger the shock is. Tightening the set screw
can alter the shock strength so a good habit is
to loosen the set screw, turn the dial, tighten
the set screw then test your setting. Repeat
Replacement:
Thread the new shock into the housing as far
as it will turn while the cam is in the home
position. Once it bottoms out, thread the
shock back out 1.5-2 turns until the set screw
pointer is facing upright. Fasten the shock into
the housing by snugging the 1/4-28 set screw
into the bronze housing (snugly, but do not
over tighten or the brass might start to tear).
Failure to turn the shock back out after threading it in all of the way will likely cause the part
to wear out very quickly.
512-321-4426
INS-DS100R-190401
Designed Security, Inc. - 1402 Hawthorne Street, Bastrop Texas 78602 - (800) 272-3555
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