Duro K255 Piston Pump Manual |work| -

: It requires a specific pressure switch with a small orifice to smooth out the pulses inherent to the piston design. Avoid Bypassing Valves

Includes water box and air plug gaskets to ensure airtight seals. Step-by-Step Rebuild Tips Pump You Up | E3 - Wet-End Rebuild

On some models, a small groove may need to be cut into the rubber valve components to prevent vacuuming and allow smoother operation. 3. Parts and Repair Kits duro k255 piston pump manual

A unique feature of many Duro K255 manuals is the inclusion of an "Air Compressor" mode. These pumps were versatile enough to be used as air compressors for service stations or tire inflation.

If you have lost your original , download a PDF from a reputable pressure washer parts site or contact Duro customer support with your serial number. Keep a printed copy in your workshop – when the pump fails on a Saturday afternoon, you will be glad you have it. : It requires a specific pressure switch with

The Duro K255 (often interchangeable with Pompco model K255) is designed for continuous efficiency across various pressures. Double-action piston, single cylinder. Priming: Self-priming capability up to 25 feet (7.62 m). Safety: Standard integrated safety valve set at 100 PSI .

Never run a piston pump dry. The leather cups (pistons) require water for lubrication. Running dry will burn them out in seconds. If you have lost your original , download

The may be a small booklet, but it holds the keys to a decade of reliable service. To summarize:

You need a reliable, low-cost pump for diesel, engine oil (up to SAE 90), or antifreeze in a garage or farm setting – and you’re willing to replace the hose and add a nozzle check valve.

. The double-action, single-cylinder design ensures constant pumping even if air enters the intake. Suction Capability : It can prime itself from depths of up to , making it ideal for farms, cottages, and residences. Reliability