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Installation/ Assembly/ and Maintenance Instructions
for PROMO Rainwater Underground Tank
4.100 L
295205
The points described in these instruc-
tions must be observed. Failure to com-
ply will void any claim under the warran-
ty. For all additional items obtained from
4rain, separate installation instructions
are included in the transport packaging.
Missing instructions are to be requested
from us immediately.
It is important to inspect the tanks for
damage and tightness before installation
and filling in the excavation pit.
Missing instructions can be downloaded
from www.4rain.com or requested from
GRAF.
info@4rain.com
www.4rain.com
Table of Contents
1.
GENERAL INSTRUCTIONS
1.1
Safety
1.2
Labelling requirement
2.
INSTALLATION CONDITIONS
3.
TECHNICAL SPECIFICATIONS
4.
TANK CONSTRUCTION
4.1
Tank components
5.
INSTALLATION AND ASSEMBLY
5.1
Foundation soil
5.2
Excavation
5.3
Placing and filling
5.4
Laying connections
6.
MOUNTING SHAFT EXTENSION AND
COVER
7.
INSPECTION AND MAINTENANCE
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