VALCO MELTON D4-E - Page 80

MM101 – D-4E HOT MELT UNIT 80
VALCO MELTON S.L.U. Pol. Ind. Agustinos C/G 34 3116 0 ORCOYEN, NAVARRA
TEL: +34 948 321580 Fax: +34 948 326584 melton@melton.es www.valcomelton.com
Problem Possible Cause Posible Solution
4. Fuming or
smoking of
adhesive in the
reservoir
4a. Operating temperature exceeds
adhesives/s recommended
temperature.
4a. Keep setpoint within recommended range.
Keep reservoir covered.
Consider another adhesive.
Keep reservoir covered.
5. Uneven flor
of adhesive to
applications
5a. Material viscosity too high
• Reservoir temperature too
low
•
• Wrong adhesive
5b. Adhesive overheated.
5c. Glue hoses not at the same
temperature
5d. Different pressure drop through
each hose.
• Hoses not the same length
• Crimped hose(s)
• Leaking hose(s)
5e. Adhesive supply low.
5f. Manifold partially clogged
5g. Nozzles partially clogged
5a.
• Raise reservoir temperature in accordance
with adhesive manufacturer’s specifications.
• Seek adhesive manufacturer’s
recommendations.
5b. Reduce reservoir temperature in accordance with
adhesive manufacturer’s specifications.
5c. Reset temperature controllers.
5d.
• Use same length hoses.
• Replace hose(s).
• Replace hose(s).
5e. If sides of tank are charred, drain clean, flush, and
refill system.
5f. Drain, clean, flush and refill.
5g. Inspect system for charred adhesive and foreign
matter. Drain, clean, flush and refill system