Nordson Hot-Melt Adhesive Melter PROBLUE 10

Cleaning the Exterior of the Melter, Hoses, and Applicators

Remove any hot melt that collects on the exterior

Use citrus-based or other compatible cleaning compounds with polyester

Apply cleaning compounds using a soft cloth

Ensure no pointed or sharp tools are used for cleaning

Removing and Replacing Exterior Panels

Turn off the plant air supply to the melter and disconnect the air filter

Remove the four hex-head screws and washers

Lift the pump frame and the insulator off of the piston

Remove the retaining ring and the U-cup from the frame if necessary

Refer to Figure D-11 for visual guidance

Refer to Figure D-12 for visual guidance

CAUTION: Handle the valve spool with care. Damaging the precision machined surface of the spool can cause the air valve to seize.

Carefully slide the valve spool out of the valve sleeve and set it aside onto a clean cloth.

Separate the upper detent and spring from the air manifold.

Isolate the pump from the manifold

Remove the three pump-mounting bolts from the front of the pump body

Rotate the top of the pump slightly toward the front of the melter, and then pull the pump up and away from the manifold

Remove the air line from the back of the pump

Lift the pump clear of the melter

Remove the RTD from its retention slot

Ensure the cross-over tube is in-place between the pump and the manifold before replacing the pump

Ensure the melter is in automatic scan mode

Use an 8 mm hex wrench or an adjustable wrench to loosen and remove the filter

Properly dispose of the old filter

Confirm that the O-ring on the new filter is in good condition