Pump
B 2-6
E 2000 Nordson Corporation
All rights reserved
41-3000
Issued 11/00
B2EN-02-[3-PUMP]-5
Problem Possible Cause Corrective Action
13. Adhesive charring in tank Adhesive in tank too hot Check the tank operating temperature
setpoint and adjust it as necessary.
Tank overheating Refer to the troubleshooting tables in
the Control System section.
Adhesive level too low Keep the tank at least half full of
adhesive. Refer to Adhesive Filling in
the Operation section.
Adhesive oxidizing in tank Keep the lid closed when the melter
is operating. Change to a more
stable adhesive. Switch to a melter
with a nitrogen blanket.
14. Bead size does not change
when line speed changes
(KTL and MPC only)
Air pressure to melter too low Increase the air pressure. The
recommended range is
5.5–6.9 bar (80–100 psi).
Adhesive output exceeding adhesive
melt rate
Adjust the tank, hose, or gun
temperature settings.
Adhesive level too low Keep the tank at least half full of
adhesive. Refer to Adhesive Filling in
the Operation section.
Nozzles clogged Clean the nozzles. Refer to the
nozzle cleaning procedure in your
gun manual.
Adhesive Not Applying
Properly
(contd)
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