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HAPSITE ER Operating Manual
18 Using a 7/16 in. wrench, turn the top nut approximately 1/4 of a turn counter
clockwise until tight. (See Figure 3-51.)
Figure 3-51 Using Wrench to Tighten Top Nut
19 When gentle upward pressure is applied to the top elbow, the elbow should not
move. If the elbow moves, the concentrator is not properly seated. Repeat
section 3.3.7, Replacing the Concentrator, on page 3-21.
20 The concentrator cover contains two metal contacts. Inspect the contacts to
verify that they fit snuggly onto the concentrator collars, ensuring electrical
contact, without placing uneven strain on the glass concentrator tube. (See
Figure 3-52.)
Figure 3-52 Inspecting Concentrator Cover
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