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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 ECHQHCF

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Maintenance Plans for Gardner Denver Screw Air Compressor Model ECHQHCF

Integrate maintenance plans directly into your work orders in MaintainX.

Oil System Maintenance

Preparation

Stop unit and ensure no air pressure is in the oil reservoir

Wipe away all dirt before removing the oil filler plug

Draining Oil System

Select the method for draining the oil system

Remove oil cooler drain plug

Inspection and Cleaning

Is the drained oil and/or oil filter element contaminated with dirt?

Flush the entire system reservoir, oil cooler, mixing valve, and lines if contamination is present

Run this procedure

Air Filter Maintenance

Initial Inspection

Inspect the outside surface of the air filter element for dirt accumulation.

Cleaning Process

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

Vibrate or blow heavy dirt accumulations from the element.

Was the element washed with a nonsudsing household detergent and rinsed with clear water?

Allow the element to dry before reinstalling.

Replacement Guidelines

Enter the number of times the element has been cleaned.

Run this procedure

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?

Run this procedure

Oil Separator Replacement

Disconnection Steps

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 Steps

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.

Run this procedure

50 Hourly Filter Element Service

Initial Inspection

Record the pressure drop through the filter

Is the pressure drop 20 inches of water or more?

Is the motor using higher than normal current?

Is there a loss of compressor delivery?

Filter Element Removal

Loosen the retaining band clamp

Remove the dust cup from the body of the filter

Is cleaning necessary after visual inspection?