172-65613A-03 (DR8-3P/DR8-3EP/DR8-6P/DR8-6EP) 11 Jun 2020
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After removing the spring housing, loosen the spring retainer by turning it
counterclockwise
Check for seizure or any damaged screw threads.
NOTE: The spring retainer and coil spring guide cannot be removed individually as they
are incorporated with the coil spring.
Disassembling the Diaphragm Section
Hold the valve in place with an adjustable wrench across the flats on the upper
part of the valve and use another wrench to remove the high nut. After removing
the high nut, remove the plain washer, the upper diaphragm retainer and the
diaphragm.
