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Documents & Manuals

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

Pre-built workflows to keep your asset running smoothly.

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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Gardner Denver Screw Air Compressor ECHSJCD

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Maintenance Plans for Gardner Denver Screw Air Compressor Model ECHSJCD

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Air Filter Maintenance

Initial Inspection

Check if the outside surface of the air filter element is evenly coated with dirt.

Cleaning Process

Remove the wing bolt and lift off the top and filter element.

Vibrate or blow heavy dirt accumulations from the element.

Direct air blast at a slight inward angle and parallel to element pleats.

Is washing of the element required?

Washing the Element

Wash element with a nonsudsing household detergent and water.

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Filter Element Life Maintenance

Visual Inspection

Inspect for rupture, crack, or pin hole in the pleated media using a bright light inside the element.

Pressure Drop Check

Measure the pressure drop through the filter with a freshly cleaned element while the compressor is running at full load.

Is the pressure drop below three (3) inches of water?

Replacement Criteria

Enter the number of times the element has been cleaned.

Has the element been cleaned six (6) times or more?

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8 Hourly Compressor Maintenance

Check the reservoir oil level

Add oil if required

Observe if the unit loads and unloads properly

Drain the moisture trap in the control system

Check for moisture in the oil level gauge

Drain accumulated moisture if noted in the oil level gauge

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Compressor Oil System Check

Temperature Checks

Air and Oil Discharge Temperature

Compressor Oil Inlet Temperature

Pressure Checks

Oil Inlet Pressure

Oil Cooler Oil Pressure Differential (Air-Cooled Radiator)

Oil Cooler Oil Pressure Differential (Water-Cooled Heat Exchanger)

Oil Cooler Water Pressure Differential (Water-Cooled Heat Exchanger)

Temperature Differential Checks

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Oil Separator Replacement

Disconnection Phase

Disconnect oil return to compressor tubing at tee near discharge manifold flange on top plate.

Disconnect tubing from tee on top plate to top of discharge manifold at the tee. Loosen nut on fitting at top of manifold and completely withdraw the tubing through the fitting. Loosen nut on fitting on top plate and completely withdraw the tubing through the fitting.

Disconnect all other tubing from discharge manifold.

Disconnect discharge manifold pipe union.

Removal Phase

Remove screws holding the top plate to the oil reservoir tower. Lift top plate and the attached second-stage separator from the oil reservoir tower.

Invert top plate and second-stage separator. DO NOT REST THE ASSEMBLY ON THE SEPARATOR. Remove cap screws and washers holding second-stage separator and lift the separator from the top plate.

Lift the first-stage separator from the oil reservoir tower.

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