Pump
B 2-1
E 2000 Nordson Corporation
All rights reserved
41-3000
Issued 11/00
B2EN-02-[3-PUMP]-5
Section B 2
Pump
WARNING: Allow only qualified personnel to perform the
following tasks. Follow the safety instructions in this document
and all other related documentation.
This section includes troubleshooting procedures for adhesive application
problems and pump troubleshooting procedures and repair procedures.
Refer to the Parts section for the part number of any pump component
that needs to be replaced. If you try all the suggestions in this section
and still cannot solve the problem, call your Nordson representative for
assistance.
Refer to the Control System section for troubleshooting procedures and
repair procedures for the melter’s control system, including the
key-to-line (KTL) and motor and pressure control (MPC) features. For
hose or gun troubleshooting, refer to your hose or gun manual.
The following sections of this manual contain additional information on
the hydraulic system:
S Technical Data includes pump specifications.
S Maintenance includes a procedure for checking the pump motor
speed reducer.
S Tank and Manifold includes procedures for replacing the tank,
manifold, drain valve, pressure relief valve, circulation control
valve, and pressure control valve.
If your melter has any of the following options, refer to the Options
section at the end of this manual for additional troubleshooting, repair,
and parts information:
S Input/output (I/O) board
S Low-level switch
S Electric line filter
S Pressure dump
1. Introduction
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