Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 2-28 P/N 196515 (Revision A)
Information Sheet 2-4-3
Pneumatic Distribution (Continued)
G. Low Pressure Sensor
1. Located in the middle of the shelf to the far right, the sensor can be
manually adjusted between 10-100 psi.
2. The sensor will go low when the main air pressure is lower than the manual
set point. The low signal will cause the yellow light on the beacon to blink
and give a software error before dispensing.
H. Stop Pin Valve
1. The Stop Pin Solenoid Valve(s) are located in the valve manifold at the right
rear of the conveyor area. Air from the Stop Pin valve(s) leads directly to the
pneumatic solenoids for the stop pin(s).
2. Depending upon the type of stop pins installed on your dispensing system,
each stop pin may have one (blue) hose or two (blue and black) hoses
attached to the solenoid.
The blue hose controls the up pressure for the stop pin.
The black hose controls the down pressure.
Stop pins with only one hose lower when the up pressure is turned OFF.
I. Clamp/Lifter Valve
1. The Clamp/Lifter Valve may be used for either a clamp bar or lift table.
2. For either device, air leaves the valve in two separate hoses, one blue and
one black, which connect to the pneumatic cylinder for that device.
The blue hose controls the up pressure.
The black hose controls the down pressure.
3. Systems with lift tables installed have flow control valves between the
solenoid valve and the lift cylinder.
 Lift table speed is controlled by restricting the flow of the cylinder
exhaust.
Adjusting the FCV on the black line will affect up speed of the lift table.
Adjusting the FCV on the blue line will affect the down speed.
4. If this valve is used for clamp bars, the two hoses bisect and both clamp
bars, the one on the front conveyor rail and the one on the back conveyor
rail, are supplied with air from this valve.
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