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2. Clean the O-ring, O-ring groove (A) and apposing O-ring contact
surface (B) using a slightly-dampened, micro-fiber cloth. DO NOT
LUBE THE O-RING.
3. Place the O-ring over the groove, making sure the shape of the O-ring
matches the shape the groove. Notice that one side has more
rounded corners than the other side.
4. Push the O-ring down into the groove. The O-ring should be evenly
seated without any twists. Close the housing door to firmly seat O-ring
and open housing again to inspect that O-ring is completely seated
into groove.
