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H2 NIR Upgrade Installation Guide
Install NIR Upgrade for Classic
Consistent gap
6. Apply Loctite 243 to the threads of the two button
head screws. Hand tighten the screws.
Button head
cap screws
7. Check that the new chamber is properly aligned:
■ The gap between the fill guide and the chamber is
consistent and even.
■ The chamber slides freely. It does not rub or bump.
8. Tighten the button head screws securely.
CAUTION: Make sure the test chamber can slide up
and down freely without contacting the fill guide.
Note: It is possible to install the test chamber crooked
enough that it will hit the fill guide when it raises.
Lightly tighten the test chamber screws, and then
Inconsistent gap
24
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