Ametek T-2 - Replacing Vent Valve O-ring

Support  18
Type T Pump Operation Manual
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To Replace the Vent Valve O-ring
1 Apply a wrench to the nut at the base of the pressure relief valve.
2 Remove the vent valve and its o-ring.
3 Remove the relief valve seat and its o-ring.
4 Inspect the relief valve seat o-ring, and replace it if necessary. Then re-install the o-ring, valve poppet, spring, and guide rod.
5 Install the vent valve and o-ring.
Relief Valve Seat O-ring
Relief Valve Seat