The Sullair Industrial Air Compressor SN7509S is a robust and efficient air compressor designed for heavy-duty industrial applications. Known for its reliability and performance, this model ensures optimal air delivery and minimal downtime, making it an essential asset for any manufacturing facility.

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MAINTENANCE RESOURCES

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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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SULLAIR Industrial Air Compressor SN7509S

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Maintenance Plans for SULLAIR Industrial Air Compressor Model SN7509S

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1 Daily Air Compressor Inspection

Before starting the compressor, check the following:

Fluid level in the separator/sump tank

If the fluid level is low, add the necessary amount. If the addition of fluid becomes too frequent, refer to the troubleshooting guide.

After starting the compressor, observe the following:

Controller display monitors the correct readings for their particular phase of operation

After the compressor has warmed up, perform a general check on the overall compressor to assure that it is running properly.

Perform a detailed visual inspection to avoid unnecessary additional damage to the compressor. Check the following:

Loose wiring

Damaged piping

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1 Daily Oil Return/Sight Glass Maintenance

Warning: This maintenance check requires trained personnel with PPE!

Disconnect the tube at bottom of sight glass

Unscrew the sight glass assembly where the elbow fitting joins the strainer/filter

Remove used filter assembly, and replace with new assembly

Inspect and clean the orifice inside the sight glass blocks. The orifice must be removed with an allen wrench

Coat/lubricate the O-rings with silicone grease

Reattach the connectors to the sight glass/orifice blocks

Sign off on the oil return/sight glass maintenance

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1 Yearly Air Filter Element Replacement

Is the maintenance gauge showing red with the compressor running full load?

Has it been a year since the last maintenance?

If either of the above checks is true, proceed with the following steps.

Clean the air filter’s exterior housing.

Release the hold-down clips and remove the end cover.

Remove the air filter element by pulling it out of the housing.

Clean the housing interior with a damp cloth. Do not blow dirt out with compressed air.

Replace the element.

Reassemble in the reverse order.

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1 Yearly Separator Maintenance

Replace the separator element when indicated by the STS Controller or after one (1) year, whichever comes first. The separator element must be replaced. Do not attempt to clean the separator element.

1) Separator element replacement

1. Capscrew

2. Lock washer

3. Cover plate

4. Separator element:

- Separator element replacement kit P/N: 02250218-061

- Separator element P/N: 02250214-961

5. Separator/sump tank flange

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2000 Hourly / 6 Monthly Air Compressor Maintenance

Warning: Ensure the machine is turned off and disconnected from power source before performing any maintenance tasks.

Clean the return line strainer