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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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Siemens Low Voltage Power Circuit Breaker WLL2A320

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Maintenance Plans for Siemens Low Voltage Power Circuit Breaker Model WLL2A320

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Pole Assembly Removal

NOTICE: Damage to the operator mechanism. Failure to install the actuating shaft retainer will cause the closing spring to discharge and will result in the operator mechanism being misaligned and damaged.

Remove hole plug

Press contacts together and hold them

Mount main shaft retainer

Fix main shaft retainer

Sign off on the pole assembly removal

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Mechanical Function Test

Charge the closing spring manually

Open

Check again the wear indicator

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Contact Erosion Check

DANGER: Hazardous voltage. Will cause death, serious personal injury, or equipment damage. Turn off and lock out all power supplying this device before working on this device.

WARNING: High speed moving parts. Will cause serious personal injury. Do not place hands or objects within the arc chamber

Circuit breaker opened and closing spring discharged

Circuit breaker moved into the withdrawn position in the cradle

Closing spring manually charged

Circuit breaker closed

Arc chutes removed

Is the indicator pin visible?

If the indicator pin is no longer visible, the contact system must be replaced.

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Arc Chute Cover Inspection

DANGER: Hazardous voltage. Will cause death, serious personal injury, or equipment damage. Turn off and lock out all power supplying this device before working on this device.

Arc chute cover present

Powder-coated inner sides of the covers not burned

No damage on the inner side of the cover

Upload a photo of the arc chute cover

Sign off on the arc chute cover inspection

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1 Yearly Circuit Breaker Maintenance

DANGER:

Hazardous voltage.

Will cause death, serious personal injury, or equipment/property damage.

Turn off and lock out all power supplying this device before working on this device.

Only qualified personnel should work on this equipment, after becoming thoroughly familiar with all warnings, safety notices, and maintenance procedures contained herein and on the devices.

The successful and safe operation of this equipment is dependent on proper handling, installation, operation and maintenance.

WARNING:

High speed moving parts.

Can cause serious personal injury.

Run this procedure