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4W3 4-WAY VALVE AIR CONTROL
Maintenance Performed
Check for leaks and performance.
Drain moisture from Air Compressor
Recommended Replacement Parts List
Part Number
084926
VALVE, 4-WAY (24VAC)
084926b
VALVE, 4-WAY (120VAC)
Trouble
Air cylinder not moving,
moving too slowly
Mirror Bump is
inconsistent or not
working
PECO Corporation – 244 Rex Boulevard – Auburn Hills – Michigan – 48326 – USA – 1-248-299-5800
06/22/23 S:\Engineering Doc's\Manuals & Packing Lists Combined\CONTROL VALVE STATIONS\028084bML 4W3 Update.doc
Maintenance Schedule
Daily
X
X
Description
Trouble Shooting Chart
Possible Cause
Air line leak
Solenoid not opened.
No air supply.
Regulator setting to low
Tire Sensor not working
Weekly
Monthly 6-Months
Probable Remedy
Check or replace air lines.
Check solenoid power supply and coil.
Check air supply.
Check valve regulator setting.
Check Tire Sensor operation. Ensure Tunnel
Controller is receiving the signal every time tire
activates the sensor.
Yearly
Comments
24 VAC
120 VAC
Page 7 of 10
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