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6
Bring Covers Flush-to-Grade
The GB-1000 is ready for burial depth of 77" from finished grade to bottom of tank (or 18" to centerline of inlet).
Deeper burials will require extending the cover adapters and possibly adding risers.
Measure dimension X to determine riser height needed.
6a
Make final cover adapter adjustments
6c
Loosen the cover adapter upper band
clamp using 7/16" nut driver bit. Adjust
cover adapter heights as needed.
Maintain a minimum 2-1/2" insertion
depth. Tighten upper band clamp to 5
-8 ft. lbs. of torque using 7/16" nut driver
bit. If required, cover adapters may now
be tilted up to 10º in any direction using
gasket flexibility.
Schier | GB-1000-L Installation Guide
Riser Height
Risers
Needed
Required
0" - 4"
None (use adapter)
>4" - 34"
FCR2 (x2)
>34" - 64"
FCR2 (x4)
>64" - 94"
FCR2 (x6)
COVER ADAPTER ADJUSTMENT DETAIL
Install risers if required
6b
See instructions included with FCR2.
2-1
2" minimum
/
Cover
Safety Star
access restrictor
Cover adapter
Gasket
Upper band clamp
Lower band clamp
Interceptor accessway
page 7 of 9
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