Viper XPT 6000, User Manual

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7.5 Appendix E
– Disassembling, Cleaning, and Reassembling the Brass
Pressure Relief Valve
Step 1:
Use a crescent wrench to loosen the large nut
on the right side of the pressure relief valve as seen
above.
Step 2:
Disassemble the pressure relief valve. Note the
spring. The piston is located in the body of the valve
directly underneath the 90 degree elbow tube fitting.
See #2 in the exploded view below.
Step 3:
Ensure there are no polymers from the
pretreatment stuck in the body (#1 part below) or tube
fittings of the pressure relief valve.
Step 4:
Also clean and remove any pretreatment from
the pressure setting side of the relief valve (#4 parts
below).