Nordson Bulk Melter 7407669

WARNING: System and material pressurized. Relieve bulk melter pressure before disconnecting pressurized components (e.g. hoses, pressure sensors). Failure to observe can result in serious burns. Refer to page 10-1, Relieving Pressure.

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

NOTE: Detach the gear pump only when the material is soft (approx. 70 ° C/158 ° F, depending on material).

1. Remove the cover and detach the Cardan joint (1) from the pump shaft.

3. Allow the bulk melter to cool to room temperature.

1. Clean the sealing surfaces on the plate and pump. If necessary, heat material residue with a hot air fan, then remove.

WARNING: Risk of electrical shock. Failure to observe may result in personal injury, death, or equipment damage.

Enter the Service kit P/N purchased

WARNING: Disconnect the bulk melter from the line voltage.

Set the main switch to 0/OFF and Open electrical cabinet door.

Unplug bus cable from old control panel.

Release the M4 hexagon nuts and remove with the tooth lock washers.

Press old control panel and old seal forwards and out of the electrical cabinet door.

Insert the new control panel and secure it using the tooth lock washers.

NOTE: Before changing the material type, determine whether the old and new material can be mixed.

Can the old and new material be mixed?

May be mixed: Remaining old material can be flushed out using the new material.

May not be mixed: Purge thoroughly and clean melting plate with a cleaning agent recommended by the material manufacturer. Refer to page 8-6, Cleaning Melting Plate.

NOTE: Properly dispose of the old material according to local regulations.

Sign off on the material type change

Check melting plate for charred material, clean if necessary

Check base plate for material residue or other impurities, clean if necessary;

WARNING! For safety reasons, the safety valve may not be disassembled.

The complete valve must be replaced every time.

WARNING: System and material pressurized. Relieve bulk melter pressure before disconnecting pressurized components (e.g. hoses, pressure sensors). Failure to observe can result in serious burns. Refer to page 10-1, Relieving Pressure.

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

High temperature grease applied to all threads and O-rings

Enter the torque applied to the valve

Sign off on the valve replacement