Pentair Plunger Pump 2411B-P

Time to fill a one or five-gallon container

Does the water supply exceed the required flow rate?

Suction Line and Strainer Check

Is the suction line size adequate?

Inspect line strainers for cleanliness and capacity

Measure vacuum at the suction side

Is the pump protected from overheating?

IMPORTANT: Hypro PowerLine Plus pumps are filled with Hypro Oil.

Change oil after 40 hours of break-in operation.

Change oil every three months or 500 hours, whichever comes first.

Check the oil level using the dipstick.

Use Hypro Oil (P/N 2160-0038) if oil needs to be added.

Refer to the recommended lubrication marked on the crankcase of the pump.

Remove six head bolts using a 1/4" Allen wrench.

Turn the shaft to push the head from the crankcase assembly.

Pull the head off the plungers.

Remove the cup retainer assembly from the cylinder head using fingers or external pliers.

Remove the Teflon backup ring and the high pressure cup from the head.

Remove the low pressure seal from the cup retainer with a small flat-blade screwdriver.

Remove the pump head from the crankcase as described in the packing replacement section.

Remove the plunger retaining nut.

Carefully slide the plunger off of the lower plunger.

Remove the o-ring from the lower plunger.

Remove the plunger retaining nut and slinger ring.

Inspect the plungers for cracking or damage.

See the packing replacement instructions for head removal.

Remove the plunger nut, plunger and slinger ring.

Lift the oil seal retainer cartridge from the crankcase using a 90˚Allen wrench or bent bar.

Remove the o-ring from the outside of the cartridge.