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STEP 7: Final Adjustments
Once all piping is in place make any necessary adjustments and fully tighten all flange bolts.
Be sure to follow the bolt tightening pattern explained at the beginning of Section 2.0. Tighten
all Metallic type bolts to a maximum of 25 ft-lbs / Non Metallic to a maximum of 15 ft-
lbs / Non Metallic.
STEP 8: Backwash Controller Installation
If a semi-automatic backwash controller was purchased, please refer to Section 3.2 of this
manual. If an automatic backwash controller was purchased, please refer to Section 3.4.
NOTE: There will be extra gaskets and isoplast hardware. This is to join the remaining
flanged connections of the filter system to any existing or new plumbing.
Diaphragm Valve Face Piping Kit Installation Manual
5/31/12
Pg. 18 of 52
Rev. F
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