Sullair Industrial Air Compressor 7510

Warning: Ensure the compressor is turned off and cooled down before performing any maintenance tasks.

Is the compressor turned off and cooled down?

Clean the return line strainer.

Refer to Maintenance Every 2000 Hours for location.

Sign off on the initial 50 hours compressor maintenance

Does the maintenance gauge show red with the compressor running full load?

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.

Reassemble in the reverse order.

Sign off on the air filter replacement

Warning: Relieve all pressure from the receiver tank and all compressor lines before starting.

Pressure relieved from the receiver tank and all compressor lines?

Loosen and remove the eight (8) hex head capscrews (M12 x 40mm) from the cover plate.

Lift the cover plate from the receiver tank.

Inspect the receiver tank for rust, contamination, or damage.

Start the compressor and adjust the service valve to maintain service air pressure at approximately 1 psi over its rated pressure.

Turn the inlet valve regulator adjusting screw until air just begins to escape from the control air orifice, located at the bottom of the regulator.

Lock the adjusting screw in place with the locknut.

The regulator is now properly set.

Sign off on the pressure regulator adjustment

The fluid return/sight glass subassembly is located on the side of the separator tank.

Fluid return/sight glass maintenance should be performed along with that of the fluid filter.

Fluid return/sight glass issues usually result from the condition of the filter assembly.

Order filter assembly No. 02250117-782, and use the following instructions as a guide:

Disconnect the tube at the bottom of the sight glass.

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

Remove the used filter assembly and replace it with the new assembly.

Inspect and clean the orifice inside the sight glass blocks. Remove the orifice with an Allen wrench.

Coat/lubricate the O-rings with silicone grease.