Nordson 3100V Series Customer Product Manual page 179

B
1-4
Hydraulics
3.
Troubleshooting
@ontd)
Table B
1-1
ldentifying and Correcting System Faults (contd.)
Problem
Possible Cause Corrective Action
5.
Pump not stroking
(no adhesive output)
(contd.)
Pump solenoid valve failed
Blockage in manifold
Pump hydraulic section dirty
Pump leaking
air (causes the pump to
make a loud noise)
Pump actuator malfunctioning for one
or more
of
the following reasons:
a
air
valve binding
a
shifter
fork slipped out of position
a
shifter fork installed upside down
a
shifter
fork bent or damaged
a
magnet assembly dirty or
damaged
a
bumper assembly dirty or
damaged
shifter fork magnet loose
a
Check the solenoid
valve.
Refer to
Pump Solenoid Valve Check.
Check the manifold for blockage.
Flefer
to Manifold Blockage
Check.
Clean the pump hydraulic section.
Refer
to
Cleaning or Rebuilding the
Pump.
Locate the leak and replace damaged
seals or
O-rings.
Refer
to
Pump
Air
Section Check.
Check for a malfunctioning actuator.
Refer
to Actuator Check.
Disassemble and clean the air valve.
Refer
to
Cleaning or
Replacing the Air
Valve.
Check the position of the fork and
reposition if necessary.
Refer to
Repositioning or Replacing the Shifter
Fork.
Check the position
of
the fork and
reposition if necessary. The fork should
be positioned with the side stamped
UP
facing the air motor.
Refer to
Repositioning or Replacing the Shifter
Fork.
Replace the
fork.
Refer
to Repositioning
or Replacing the Shifter Fork.
Clean or replace the magnet assembly.
Refer
to
Cleaning or Replacing the
Magnet Assembly.
Replace
the bumper assembly.
Refer to
Replacing the Bumper Assembly.
Replace the
fork.
Refer
to Repositioning
or Replacing the Shifter
Fork.
B'l
EN-02-[3V-X-AGXX]-2
4't-3000y
lssued 5/00
O
2000 Nordson Corporation
All rights reserved