Pump Solenoid Valve Check . B - Nordson 3100V Series Customer Product Manual

B
1-8
Hydraulics
Pump Solenoid Valve Check
1.
Reduce
the pump air pressure to
0.
2.
Remove
the pump cover.
3.
Disconnect the air input line from the actuator.
4.
Make sure
the READY light is lit and the pump
is
turned
on.
5.
Slowly increase pump air pressure.
6.
Check
the disconnected air input line for air flow.
WARNING:
Risk of
electrical
shock.
Failure to observe
electrical safety procedures may result in personal injury or
death. Allow
only
qualified personnelto perform the following
procedures. Obserue all high voltage indicators.
7.
Open
the electrical enclosure. Refer to Opening the Electrical
Enclosurein
Control.
B.
Locate
connector J9 on the power board and measure the voltage at
positions 1 and2.
Condition
Action
Airflows.
The solenoid valve
is
functioning properly. Reduce
the pump air pressure to 0, reconnect the air input
line, and return to Table B
1-1.
Air
does not
flow.
Go to the next step
Voltage Action
22.8-25.2VDC
Replace the solenoid
valve.
Refer
to Pump
Solenoid Valve Repair Procedures.
Less than
22.8VDC
Replace
the power board. Refer to Replacing the
Power
Boardin
Control.
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EN-02-[3V-X-AGXX]-2
41-3000y
lssued 5/00
@000
Nordson Corporalion
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