Preventive Maintenance TriStar II 3020
9-12 302-42828-01 - Dec 2012
9. Screw one of the end fittings onto the trap body.
10. Ensure the trap body is dry and the alumina is lukewarm. Pour the alumina pellets into the trap
until level with the top of the trap body.
11. Screw the other end fitting back onto the trap and tighten securely by hand.
12. Lightly tap both ends of the trap body on the work surface to remove remaining dust from the
pellets.
13. Inspect the centering ring before placing it back on the intake port. If it appears to be flattened,
replace it. A flattened centering ring can cause vacuum leaks.
There are two types of centering rings. Use the one with the smaller opening at the intake port.
14. Place the centering ring in place on the intake port.
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