Sullair Water-Cooled Compressor 10B 40HP-251328-004 WC

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

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

Replace the fluid filter element

Replace your fluid filter element and the gasket under any of the following conditions, whichever occur first

Conditions for replacing fluid filter element

To replace fluid filter element:

Using a strap wrench, remove the old element and gasket

Apply a light film of fluid to the new gasket

Hand tighten new element until new gasket is seated in the gasket groove

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

The pipe ends are free of all deep scratches, gouges, dents, etc.

Install the retainer (1), gasket (2), and sleeve (3) on one side of the pipe

Install the remaining retainer (4) and gasket (5) on the other pipe end

Position the retainer (4) and gasket to proper pipe insertion depth (“D”)

Slide the sleeve (3) to the gasket (5) and move gasket (2) and retainer (1) into position. The pipe MUST be inserted to the proper depth (“D”) into both gaskets