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BTQ SERIES INSTALLATION AND USE MANUAL - IT EN - REV001A
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BTQ series5 - Installation
5.2 - The Thruster
• To position the thruster in the tube, nd the half-way
point and move to the value shown in the table below so
that the propeller is positioned exactly half way along the
internal length of the tunnel.
• Use the ange to mark the centre of the holes on the
tube.
• Fix the drilling template on the reference points, making
sure they are aligned with precision at the half-way point
of the tube.
N.B. All holes must be exactly aligned with the half-
way point of the tunnel, since tolerance between
propeller and tunnel is minimal.
• Take care that there are no resin residues in the
contact area between ange and tube; this could cause
misalignment. Any resin residues and any other hindrance
to correct contact must be removed by sandpaper.
• The thruster can be installed at any angle within 90° from
vertical.
• If the electric motor is positioned of necessity at an an-
gle of more than 30° from vertical, a special support must
be constructed.
10 2 3 4 5 6 7 8 9 10
10 2 3 4
10 2 3 4 5 6 7 8 9 10
10 2 3 4
BTQ110 50 mm
BTQ125 50 mm
BTQ140 50 mm
BTQ180 50 mm
• Insert one o-ring into the special seat inside the ange.
SINGLE PROPELLER
BTQ110/125
DOUBLE PROPELLER
BTQ140/180/250/300
• Insert two o-rings into the special seats inside the ange.
• To position the thruster in the tube, nd the half-way
point so that the flange is positioned exactly half way
along the internal length of the tunnel.
F
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