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6. If the valve has a lid, clean any buildup that may exist
in or around the guide hole located in the center of
the part.
7. If the valve is fitted with a screen of some type, clear
away any blockage that may impede proper flow.
8. Reinstall valve pallets and weights into their proper
chambers. Make sure the lower stem on the pallet
is centered into the valve seat. If the pallet appears
to be off-center to the valve chamber, or if there is
difficulty positioning the lid or guide, the pallet may be
inserted improperly.
®
Spirolox
is a mark owned by Smalley Steel Ring Company.
Enardo ES-850 and Enardo ES-950 Series
10. Replace any lid, hood or guide that was previously
11. For seat removal, see Figure 7 for the valve
9. Reinstall weights onto their appropriate valve pallets.
removed and fasten securely. When tightening down
lids, make sure the O-ring in each lid has full contact
with the sealing surface.
configuration drawings. The valve seats are installed in
machined bores in both the upper body (pressure) and
in the lower body (vacuum) and are fitted with O-ring
seals. Remove the upper body seat by removing the
upper body casting (Model Enardo ES-850) or the Vent
Hood assembly (Model Enardo ES-950). Then remove
the seat from the bore. The lower seat (vacuum) is
retained by a Spirolox
®
retaining ring. Remove this ring
with a flat-bladed screwdriver as shown above.
13
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