Use and Care Manual

9013DB0701 Preventive Maintenance and Troubleshooting Guidelines for Class 9013F and 9013G Pressure Switches

12/2007 Providing Routine Maintenance

b. Use the table below as a guideline for setting range nut R.

c. Complete Steps 7 and 8 of “Providing Routine Maintenance” on

page 2.

6. To increase or decrease the cut-out setting (while maintaining the same

cut-in pressure) adjust the pressure switch with a 3/8 inch nut driver or

socket as follows:

a. Complete Steps 1–6 of “Providing Routine Maintenance” on page 1.

b. Turn differential nut D clockwise for higher cut-out pressure, or

counter clockwise for lower cut-out pressure. See Figure 1 on

page 2.

NOTE: Adjusting the differential changes the cut-out setting. The

cut-in does not change.

c. Complete Steps 7–9 of “Providing Routine Maintenance” on page 2.

7. Monitor the system to ensure that the pressure setting is as desired.

a. Open a faucet and drain water from the system until the pump turns

on.

b. Turn off the faucet.

c. Monitor the system pressure to identify the point where the pump

turns off.

d. Repeat Steps 5–7 as required.

Renewal Parts

Original Setting New Setting

Turn Range Nut R

Clockwise

20-40 30-50 3-1/2 Turns

20-40 40-60 8 to 8-1/2 Turns

30-50 40-60 3-1/2 Turns

Table 1: Renewal Parts

Description Part Number

9013F 9013G

Contact kit with contact block, contacts, and

diaphragm

9998PC241 9998PC205

Replacement cover

Include the complete part number of the pressure switch to be used with, including all forms.

65076 605 50 665133 559 50