5. Using a ¾ inch socket and ratchet loosen the Filter Retainer DIN (D10) – Fig. 11. Be sure to hold the socket
firmly so that it doesn’t slip. Use steady, even pressure. Remove the Retainer and Saddle (08).
Fig. 11
6. Carefully remove the orings from the DIN Shutter Valve, Retainer Housing, Filter Retainer, and DIN Shutter
Crown – Fig. 12. Use the pinch method and a brass or nylon pick. Do not use a steel pick that could damage
the sealing surface. Set aside the Spring (D6) and filter (D11) with the parts to be reused. The washers (D5)
will be replaced.
Fig. 12
Caution Note:
Take whatever steps are necessary for keeping track of items that are part of an
assembly. This degree of organization will reduce the risk of mistakes that can result in
a failure of the regulator.