Changing the Packings on a Graco 933

Here is a step-by-step guide to changing the packings on a Graco 933 airless pump:

Turn off the power: Turn off the power to the pump and release any pressure in the pump by pressing the trigger.

Remove the inlet filter: Remove the inlet filter from the pump to provide access to the packing area.

Remove the packing gland nut: Using a wrench, loosen and remove the packing gland nut. The packing gland nut is located at the back of the pump and holds the packing assembly in place.

Remove the old packings: Carefully remove the old packings from the packing assembly and inspect them for wear or damage.

Clean the packing assembly: Clean the packing assembly and the surrounding area to ensure a smooth installation of the new packings.

Install the new packings: Apply a small amount of packing lubricant to the new packings and install them into the packing assembly.

Reinstall the packing gland nut: Tighten the packing gland nut securely to hold the new packings in place.

Replace the inlet filter: Replace the inlet filter and tighten it securely.

Test the pump: Turn the power back on and test the pump to ensure that it is working correctly.

Monitor the packings: Regularly monitor the packings to ensure that they are functioning correctly and to catch any issues before they become serious.

In conclusion, changing the packings on a Graco 933 airless pump is a simple process that can be completed with a few basic tools. By following these steps and regularly monitoring the packings, building owners can ensure that their Graco 933 airless pump is working optimally and efficiently.