6
Electric/Hydraulic Stern Thruster
Models 185TT, 250TT & 300TT
GB
7
Electric/Hydraulic Stern Thruster
Models 185TT, 250TT & 300TT
GB
1. Installation
1.1 Choosing location
NOTE: This manual is to be read in conjunction
with the main manual supplied with the TT
Thruster, which has important information on
installation and use.
Ø = Tunnel Diameter.
For optimal performance the Thruster unit should
be mounted within the following:
• Chose position, ensure it is at least 1Ø below
the waterline to prevent air being sucked into
the tunnel.
• That the chosen area is flat.
• Check internal position is free of mechanical,
electrical or bulkhead obstructions.
1. Installation
Fig. 1.22
Min. 1 Ø
Min. 100 mm
Fig. 1.11
1.2 Internal structure
Fig 1.21
• The thruster must be in a watertight enclosure
that is a minimum of 150 mm (6”) above the
waterline. This space must also have adequate
ventilation. Access should be from above and the
entrance should not allow water in.
NOTE: Ensure all drainage ducts are sealed
and routed around the enclosure.
Min. 150 mm
Fig. 1.21
Fig 1.22
The internal compartment must be watertight.
Do not use the compartment as storage.
1. Installation
