Maintenance
5-3
Part 237478_03
E 2012 Nordson Corporation
Maintenance Procedures
This section contains the procedures for the weekly and semiannual
maintenance activities.
Cleaning Extrusion Nozzles
Nozzle clogging occurs when a filter screen is damaged or when there is
charred material in the hose or gun. Char may occur if adhesive is heated
above the application temperature recommended by the adhesive
manufacturer. If this occurs it may be necessary to replace the gun.
1. Relieve hydraulic pressure. Refer to the Relieving Hydraulic Pressure
procedure in Section3, Installation.
2. Ensure that the gun trigger safety is in the LOCKED position.
3. Move the applicator circuit breaker to the OFF position, then disconnect
and lock out input electrical power to the applicator.
Figure 5‐1 Typical Applicator
Circuit Breaker
Figure 5‐2 Typical Facility Circuit
Breaker