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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 Base Mounted Compressor LRS90A

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Maintenance Plans for Gardner Denver Base Mounted Compressor Model LRS90A

Integrate maintenance plans directly into your work orders in MaintainX.

2000 Hourly / 6 Monthly Air Intake Filter Replacement

Safety Precautions

Ensure the screw compressor is out of operation

Depressurize the unit

Secure the unit from being switched on again

Air Filter Replacement

Pull snap latch outward and remove housing base

Detach air filter cartridge while slightly turning it

Insert new air filter cartridge in the housing carefully

Close air filter with housing base ensuring snap latches click into position

Run this procedure

2000 Hourly / 6 Monthly Oil Filter Cartridge Replacement

Safety Precautions

Shut down the compressor and relieve the system of all pressure

Disconnect, lockout, and tagout the power supply to the compressor package

Ensure all valves, caps, plugs, fittings, bolts, and filters are removed safely

Oil Filter Cartridge Replacement

Switch off the screw compressor unit and secure it against accidental restart

Wait for at least 5 minutes for the oil to settle

Unscrew the oil filter cartridge with a suitable tool

Dispose of the oil filter cartridge properly

Run this procedure

4000 Hourly / 1 Yearly Electric Motor Lubrication

Safety Precautions

Stop the unit

Disconnect, lockout and tagout the unit from the power supply

Confirm that the main disconnect is open and power supply to starter is locked out and tagged out

Lubrication Process

Remove the relief plug and free hole of hardened grease

Wipe lubrication fitting clean

Add grease with a hand-operated grease gun

Post-Lubrication Steps

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4000 Hourly / 1 Yearly Relief Valve Check

Danger!

When checking pressure relief valve thereis an explosive release of pressure.

Failure to perform this operation in a safe manner or without safety equipment may result in personal injury ordeath.

 Use the appropriate safety equipment, hearing and eye protection, and use safety precautions when performing this PRV check on an operating machine.

Testing the pressure relief valve

The valve can be tested:

1. On a separate compressed-air system.

2. When raising the system operating pressure toits normal level.

3. Operating the pull ring.

Run this procedure

4000 Hourly / 1 Yearly Compressor Maintenance

Safety Precautions

Ensure the compressor is not powered before starting maintenance.

For L90RS-L132RS models, disconnect the system from the mains and wait 10 minutes before touching electrical components.

Press the STOP button on the control panel and wait until the compressor stops and is depressurized.

Verify the pressure gauge shows no more than 4.4 PSI.