Filling; Commissioning And Service; Commissioning; Service - Graf Optimax Instrucciones De Instalación Y Mantenimiento

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5. Assembly and installation of external Filter
5.4

Filling

Important: Before and during the filling, the horizontal position of the filter must be checked.
The lengthwise embedding of the filter is with smooth sand with a grain size of 8/16 accord-
ing to DIN 4226 – 1 with a width of approximately 30 cm Each layer is to be of no more than
30 cm and must be tamped down lightly with a compacting machine or hand held tamper.
Care must be taken during the embedding to ensure the filter is not damaged. To ensure that
no forces are applied to the filter housing, the telescope must be well embedded and com-
pacted. (For areas traversed by light traffic see section 5.3.2) Finally, the cover is set in place
and secured so that it is child proof (Section 1.1 must be followed). The screws holding
down the cover are to be made so tight that they can not be removed and the cover
opened by a child!
5.5
Installation and removal (lift out mechanism)
To facilitate removal of the filter unit in cases of a deeper installation, the removal – lift out
mechanism that is included in the delivery pack should also be assembled. The screws of the
upper, mid connecting rod should be employed for the assembly.
6.1

Commissioning

Before putting the system into use the filter surface is to be thoroughly cleaned with a brush
and a solvent based cleaning fluid. Alternatively the filter sieve may be cleaned in a dish
washer (40° - max. 60°). Any dirt that gets into the filter housing during the assembly must
be thoroughly removed.
6.2

Service

The complete system is to be inspected at least every 3 months for leakage, cleanliness sta-
bility. The filters surface should be cleaned approximately every 3 months or according to
local requirements (see point 6.1).
Otto Graf GmbH
Carl-Zeiss-Str. 2-6
GRAF Distribution S.A.R.L
45, route d'Ernolsheim
GRAF Iberica Tecnología del Plástico S.L.
GRAF UK Ltd
Target House
466

6. Commissioning and Service

DE-79331 Teningen
Tél. : +49 7641 589-0
F-67120 Dachstein Gare
Marquès Caldes de Montbui, 114
Thorpe Way Ind. Estate
Banbury
Page 10 of 20
Fax : +49 7641 589-50
Tél.:+33 388 49-7310
E-17003 Girona
Tél. : +34 972 913767
Oxfordshire
UK-OX16 4SP
Fax : +33 388 49-3280
Fax: +34 972 913766
Tél. : +44 1608 661-500
Fax : + 44 1608 665-
2017-05

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