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881/881GL/ServoAccess
4.1.7 DRILL HOLE FOR THE 230 V CABLE ON THE INSTALLATION VERSIONS 3 AND 4
All routing and drilling work must be deburred carefully. The cables must be securely fixed in this area
in order to prevent abrasion. All routing and drilling swarf must carefully removed from the profiles.
Conventional fenestration screws with a maximum screw head diameter of 7 mm and a maximum screw
diameter of 4.5 mm may be used. The PVC components (switching power supply unit, surface-contact
device etc.) are to be fixed with screws with a maximum length of 20 mm. To fix the metal compo-
nents (faceplates, keeps etc.) select a screw length according to the requirements.
Depending on the profile material, screw holes may have to be pre-drilled with an appropriate drill.
It is imperative that all screws are hand-tightened (maximum torque 1 Nm), as
some components are made of PVC and may be damaged by the excessive force
that a cordless screwdriver can exert.
It is essential that the surface-contact device and the tappet contact device are
aligned accurately.
4.1.8 SAFETY INSTRUCTIONS
4.1.9 SCREWS FOR FIXING INDIVIDUAL COMPONENTS
Drilling on the back of the profile within the cut-out for the
switching power supply unit
This drill hole must deburred carefully at
both ends! Insert the cable protection sleeve
provided in the drill hole to protect the
230 V cable. The cable must be protected
against abrasion and securely fixed in order
to prevent tractive forces.
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