MUS0330202
03/10/2014
VALCO MELTON S.L.U. Pol. Ind. Agustinos C/G 34 3116 0 ORCOYEN, NAVARRA
TEL: +34 948 321580 Fax: +34 948 326584 [email protected] www.valcomelton.com
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WARNING:
The maintenance operations described in this chapter
should be performed only by qualified personnel who understand the
processes and are familiar with the safety measures involved.
7.1. INTRODUCTION:
This chapter refers to the most common equipment faults.
Problems may occur when glue flow is reduced or stopped, or when
the alert system signals a fault. Many problems can be solved with the
help of this manual.
If the problem cannot be solved with the information provided here,
contact your Melton representative.
7.2. MECHANICAL FAULTS:
Check to see if the filters are
blocked
Check to see if the modules
are obstructed
Check to see if the control
solenoid is working
The pump does not stroke
Verify that the applicator is at
the right temperature
Check the air pressure
Check the hydraulic sub-unit
seals
The pump strokes too quickly
Check that there is adhesive
in the tank
Check for leaks at the
connectors
If the pump continues to work too quickly,
and continues without pressure,
disassemble the pump and clean the valve
seats for any carbon deposits that might
prevent them from closing properly
If not, check that the
adhesive is melted
The modules in the multiple
guns do not fire at the same
time
Adjust the screw on the back
of the module
