Nordson 3100V Series Customer Product Manual

Hydraulics
B 1-3
3.
Troubleshooting
The following troubleshooting
table describes the kinds of hydraulic
system
problems you
may
encounter and
provides
corrective actions for
handling those
problems.
When
necessary the table
refers
you
to the
Troubleshooting
Procedures
part
of this section,
which
contains
more
detailed
procedures
for diagnosing hydraulic
system
problems.
Refer
to the following table to troubleshoot hydraulic
system
problems.
Table B 1-lTroubleshooting Hydraulic
System Problems
Troubleshooting Table
Problem Possible
Cause
Corrective
Action
3. Pump stroking
erratically
(i
nconsistent adhesive
output)
(See
Note
A)
Adhesive leveltoo low
Adhesive temperature too low
Pump siphon ball
seat
dirty
or
missing
Pump hydraulic section dirty
Check
the
adhesive
level. Add adhesive
if necessary. Refer to
Checking
the
Adhesive Leveland Filling the Tankin
Operation.
Check the temperature settings.
Refer
to System
Programming Procedures in
lnstallation.
Check
the siphon ball seat. Refer to
Pump
Siphon
Ball
Seat Check.
Clean the
pump
hydraulic section.
Refer to Cleaning or Rebuilding the
Pump.
4. Pump stroking too
fast
(little
or
no
adhesive
output)
Adhesive leveltoo low
Pressure relief valve
defective
Check the adhesive level. Add adhesive
if necessary. Refer to
Checking
the
Adhesive
Leveland
Filling the Tankin
Operation.
Replace the
pressure
relief valve. Refer
to Replacing the
Pressure Relief Valve.
5.
Pump not
stroking
(no
adhesive output)
Pump not turned on
No input air
pressure
to the
pump
Wait for the READY light to turn on.
NOTE: For some standard Vista and
Vista PC units,
you
may need to turn
the
pump
on manually
after
the READY
light turns on. lf the auto-energize
pump
feature is enabled, the
pump
will
turn on automatically.
Check the
input
air
pressure.
Adjust if
necessary.
NOTE A: The
pump
should
make
two
regularly
spaced exhaust
sounds. lf
you
hear two exhaust sounds followed
by a
pause,
the
pump
is
stroking erratically
(the
hydraulic shaft
is moving faster in one direction than the
other).
Continued on next
page
@O00 Nordson
Corporatlon
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lssued 5/00
81
EN-02-[3V-X-AGXXI-2

Nordson 3100V Series Specifications

General

Brand	Nordson
Model	3100V Series
Category	Melting Machines
Language	English