Pentair Plunger Pump 2430B-P

Check the oil level using the dipstick

Change the oil after 40 hours of break-in operation

Enter the amount of oil added (in fl. oz.)

Verify the following lubrication recommendations on the crankcase

Is the lubrication recommendation followed as marked on the crankcase?

Remove the valve cap (Figure 9, Ref. 1)

Remove the valve assembly (Ref. 3) from the head using needle nose pliers

Remove the o-ring (Ref. 4) from below the valve assembly

Remove the o-ring (Ref. 2) from the valve cap

Reassemble the parts by reversing the disassembly steps

Enter the torque specifications for the valve cap

Time taken to fill the test container

Required gallons per minute (GPM) for the system

Does the water supply exceed the required GPM?

Preventive Measures to Avoid Cavitation

Ensure the following preventive measures are in place

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.