Check Valve Disc, Chicago Pneumatic part number F812853 (also carried as 3310103745), listed at Crowder Supply as CP-F812853. It directs the flow that reverses the piston in the pump. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
Crowder’s breakdowns list this part on the CP 0077 Sludge Pump.
Everything else on that machine is one page away on the full diagram library; complete tools are on the Chicago Pneumatic tool range. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: F812853
- Also listed as: 3310103745
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F812853
- Listed on breakdowns for: CP 0077 Sludge Pump
