Nordson Bulk Melter 7407040

CAUTION: Observe the unit’s Degree of Protection when cleaning. Refer to page 12-3, Electrical Data.

CAUTION: Do not damage or remove safety labels. Damaged or removed safety labels must be replaced by new ones.

Material residue removed with a recommended cleaning agent?

Dust, flakes etc. removed with a vacuum cleaner or a soft cloth?

Motor / gear box: Clean fan cover?

Sign off on the daily melter cleaning

Warning: This maintenance check requires trained personnel with PPE!

Re-tighten the following components with a torque wrench while the material is still soft (approx. 70 ° C/158 ° F, depending on the material)

Sign off on the initial melter maintenance

Depending on dust accumulation, the air filters in the fan and for the air outlet must be cleaned (knocked out) or replaced.

Refer to separate document Parts for filter order numbers.

Sign off on the daily fan and air filter maintenance

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.

When leakage occurs, e.g. at the hose connections, the O-rings must be replaced. Observe the following:

Clean and lubricate O-ring groove. Nordson recommends special high temperature grease; refer to page 8-2, Processing Materials.

Do not use removed O-rings again.

Tighten hose connection and blind covers with a torque wrench to 9.5 Nm.;

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.