General Maintenance and Troubleshooting
SM 6495, Rev. 7, December 2008 2-15
2.4. Spring Buffer Adjustment
The Model 95 Gate mechanism is equipped with adjustable spring buffers to control the horizontal and
vertical rest positions of the gate.
2.4.1. Horizontal (Down) Buffer Adjustment
10. Remove the aluminum buffer cap located on the top of the mechanism with the Allen wrench
supplied in the Model 95 tool kit (N46707001).
11. Loosen the lock nut of the buffer nearest the mechanism door (furthest from the road) and turn the
threaded sleeve.
CAUTION
If the spring buffer is adjusted down too far, it can hit the segment gear
and cause damage to the buffer.
12. Adjust until arm is properly leveled.
13. Tighten the lock nut and replace gasket and cap.
2.4.2. Vertical (Up) Buffer Adjustment
1. Remove the aluminum buffer cap located on the top of the mechanism.
2. Loosen the lock nut of the buffer furthest away from the mechanism door (nearest the road) and
turn the threaded sleeve.
3. Screw the buffer to just touch the segment gear. Then back off three turns. This will give
approximately a 1/16” to 1/8” gap between the buffer stop and the segment gear.
4. Tighten the lock nut and replace gasket and cap.
2.5. Torque Testing and Adjustments
2.5.1. Torque Testing (Not required for Sidewalk Gate Mechanisms)
For the Gate Mechanism to operate properly, you must test the torque values of the gate arm. The
torque must be calibrated properly to reduce mechanical stress that could reduce the effective lifetime
of the mechanism. Follow the torque values as shown in Table 2-1. Refer to Sections 2.5.2 and 2.5.3
for details on horizontal and vertical position torque testing.
Figure 2-8 should be used to decide which
way to move the counterweights for the torque adjustments.
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