Check Valve Washer, Chicago Pneumatic part number F812888 (also carried as 3310103847), listed at Crowder Supply as CP-F812888. This part controls the working cycle of the pump. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
Crowder’s breakdowns list this part on the CP 0077 Sludge Pump. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Chicago Pneumatic lineup covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: F812888
- Also listed as: 3310103847
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F812888
- Listed on breakdowns for: CP 0077 Sludge Pump
