Sullair Sullair Air-Cooled Compressor 10B 40HP-251325-003 AC 10B 40HP-251325-003 AC

Warning: Turn off all power, relieve line pressure, and disconnect coil lead wires to the valve before making repairs

It is not necessary to remove the valve from the pipe line for repairs

Clean solenoid valve (P/N 250017-993)

Remove the retaining cap and slip the entire solenoid off the solenoid base subassembly

Unscrew the solenoid base assembly. Remove the core assembly, core spring and body gasket

Remove the end cap, body gasket, disc spring, and disc holder assembly

Replace worn or damaged parts with repair kit number 250018-970

Reassemble in reverse order of disassembly

Sign off on the maintenance procedure

Check the fluid level in the sump. Should the level be low, simply add the necessary amount

Observe the gauges and indicators to be sure they monitor the correct readings for that particular phase of operation

Check on the overall compressor and gauges to assure that the compressor is running properly after it has warmed up

Clean the return line strainer after the initial 50 hours of operation

Clean the return line orifice after the initial 50 hours of operation

Replace the piston spring, piston o-ring seal ring, and check valve spring of the onlet valve (P/N 250025-654). Use repair kit number 250019-451

Remove all piping connected to inlet valve assembly

Remove the four (4) capscrews and lockwashers that attach the valve body to the compressor unit and remove from compressor

Remove snap ring and Teflon o --- ring inside valve body

Lift and remove check valve assembly and spring from valve body

Remove piston cap, piston spring, and piston

Clean valve body as needed, making sure all air passages are clear and old seal ring is removed from the inlet body flange

Reassemble the inlet valve using the new parts supplied in the repair kit

Install o --- ring on piston, lightly oil piston, and install in valve body

Clean exterior of air filter housing

Remove the air filter cover by loosening the wingnut securing the cover

Remove element and clean interior of housing using a damp cloth. DO NOT blow dirt out with compressed air

Reset the filter maintenance indicator

Sign off on the air filter element replacement

Warning: This maintenance check requires trained personnel with PPE!

Remove the appropriate piping from the thermal valve housing

Remove the four (4) capscrews holding the housing together and separate the upper housing from the lower housing

Remove and replace the element seal in the upper housing

Remove and replace the o-ring between the upper and lower housings

Sign off on the compressor thermal valve maintenance