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Third Edition, Nov 2016
ACS V4.2
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Section D. ACS System Operations
Figure 27 Pneumatic air bank manual over ride buttons
D.8.2.1
Air Cylinder Speed Adjustment
The airflow control screw on the front of the cylinder controls the rate of air flow, and this the speed of operation of the
cylinder as it extends. The airflow control screw on the back of the cylinder controls the speed of the retraction stroke.
Dialling either of these screws in a clockwise direction will slow the stroke. Dialling counter clockwise will speed up the
stroke. Turning the flow control clockwise will close the airflow control, thereby slowing motion down.
Conversely, counter-clockwise will open the airflow control, speeding motion up. All of the solenoids are labeled as to
which cylinder they control. This becomes important when setting up the system and setting the timing. Typically these
should not require adjustment once initial setup is complete.
All adjustments are to be made on the cylinders themselves (see Figure 25).
Air Actuator Bank
Pneumatic Air Bank
Manual Over Ride Buttons