Pentair Plunger Pump 2330B-P

Check the oil level using the dipstick

Use Hypro Oil (P/N 2160-0038) for lubrication

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

Is the lubrication marked on the crankcase followed?

Verify that the oil change is performed after 40 hours of break-in operation

Time taken to fill the test container (in seconds)

Required gallons per minute (GPM) for the system

Does the water supply exceed the required GPM?

Preventive Measures for Cavitation

Ensure the following preventive measures are in place

Measure the vacuum at the suction side (in inches of Hg)

Is the vacuum within the 2-3 inches of Hg range?

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.

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

Select the series of the valve cap for torque specification

Oil Seal Replacement for 2200B-P and 2300B-P Series

Ensure the following tools are available

Drain the oil from the crankcase using a 9/16" hex wrench

Remove the plunger retaining nuts with a 9/16" hex wrench

Remove the plungers and slinger rings