SULLAIR Air Compressor 3709

Verify that the return line strainer is free of foreign materials

Verify that the return line orifice is free of foreign materials

Describe any issues encountered during cleaning

Order filter assembly No. 02250117-782

Disconnect the tube at bottom of sight glass

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

Replace with new filter assembly

Relieve all pressure 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, dirt, etc.

Reinsert the separator element into the receiver tank taking care not to dent the element against the tank opening

Install a new lubricated O-ring in the O-ring groove on the underside of the receiver tank cover

Clean exterior of air filter housing

Rotate end cover counterclockwise and remove

Remove air filter element by pulling it out of the housing

Clean interior of housing using a damp cloth

Reassemble in the reverse order of the disassembly

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

Check conditions for filter replacement

Fluid Filter Element Replacement

Remove the filter canister using a wrench

Remove and dispose of filter element

Apply a light film of fluid to the element seal

Install the element into the filter canister

Screw the canister to the filter head

Restart compressor and check for leaks