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Exploded View - GP7622
The stainless steel valve plugs (60/63/64 and the high pressure connection 05361) can seize when
being screwed out of the casing. To release tension beforehand, strike the plugs 1-2 times with a steel
hammer on the top before screwing them out. Coat threads with antiseize (eg. ProPack 350) before
reinstalling.