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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 7407668

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Maintenance Plans for Nordson Bulk Melter Model 7407668

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Initial Melter Maintenance

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)

Plug, A

Hose Fitting, A

Pump: Fixing screws, A

Pump: Fixing screws, B

Safety valve, A

NOTE: Re-tighten crosswise

Sign off on the initial melter maintenance

Run this procedure

1 Daily Fan And Air Filter 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.

Is dust accumulation severe?

Daily Maintenance Tasks

Sign off on the daily fan and air filter maintenance

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Melting Plate and Sealing Ring Replacement

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

Enter the temperature of the platen

Is the material softened?

Place a clean, hard, heat-resistant resting surface (e.g. metal plate) on the container and lower the platen onto the surface.

Have all of the fixing screws been released?

Enter the raised height of the platen

Is the bulk melter shut down?

Has the temperature sensor been carefully extracted from the bore?

Have the O-rings been replaced, cleaned, and greased?

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Material Type Change

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

Run this procedure

O-Rings 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.

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.

Also lubricate O-ring

Do not use removed O-rings again.

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

Run this procedure