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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

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Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Nordson Bulk Melter 7407667

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Maintenance Plans for Nordson Bulk Melter Model 7407667

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Gear Pump Replacement

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.

Detaching Gear Pump:

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.

2. Detach pump.

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

Attaching Gear Pump:

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

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1 Daily Melter Cleaning

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.

Remove material residue only with a cleaning agent recommended by the material supplier. Heat with an air heater if necessary.

Remove dust, flakes etc. with a vacuum cleaner or a soft cloth.

Motor / gear box: Clean fan cover

Sign off on the daily melter cleaning

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Safety Valve Replacement

WARNING! For safety reasons, the safety valve may not be disassembled. The complete valve must be replaced every time.

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

Bulk melter is heated

Replace the valve only when the bulk melter is heated. Otherwise the sealing rings could be damaged by charred material

Upload a photo of the applied high temperature grease to all threads and O-rings

Apply high temperature grease to all threads and O-rings (Refer to page 8-2, Processing Materials)

Enter the torque applied to the valve

Tighten valve with a torque wrench. Torque: 15 Nm (133 lbin).

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Melter Check

- Melting plate:

Check melting plate for charred material, clean if necessary

- Base plate:

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

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Temperature Sensor Replacement

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

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

1. Disconnect the bulk melter from the line voltage.

2. Remove the cover (1).

3.:

Thermostat (2):

1. Apply heat transfer compound (Refer to page 8-2, Processing Materials) to the new thermostat and replace.

Temperature sensor (3)

1. Carefully pull the temperature sensor out of the melting plate by the connecting cable. If it cannot be pulled out easily, the melting plate must be removed. Refer to page 10-5, Replacing Melting Plate.

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