Installation
To achieve maximum effect, reliability and durability from your Sidepower Sternthruster, a correct installation is very
important.
Please follow the instructions carefully, and make sure that all checkpoints are carefully controlled.
1. Make sure that there are enough space both inside and outside the transom of the boat (see FIG 1).
Outside of flange:
E
Cut out in stern:
F
Bolt holes dia :
G
Bolt postion radius :
H
60°
D
A
PS !
Necessary
support
of motor.
Minimum is
hulls bottom
thickness
C
B
W.L.
FIG. 1
Stern thruster installation manual Version 1.6 - 2005
2
Additional considerations for positioning of stern thruster.
Make sure that the stern-tunnel does not disturb the waterflow under the hull
Ensure that when installed the thruster does not foul exisiting equipment inside the boat like steerage links etc.
It is essential that the motor is supported so that the total weight is not on the tunnel alone.
Make sure that the water flow from the thruster are not intereferred to much by sterndrives, trimtabs etc. as this
will reduce the thrust considerably.
It is possible to mount the tunnel off the boat’s centre line if necessary.
If the stern thickness is to much for the thruster in question you can easily remove material in the necessary area
to fit the thruster. The stern thickness even here will never have to be less than the max. measurement given as
max. stern thickness.
Measurements ref.
mm / inch
SP30Si / SP40Si SP55Si SP75Ti SP95Ti SP125Ti SP155TCi SP200TCi
SP200TCi-32 /
SP240TCi
SP285TCi
A 200mm / 7,87'' 225mm / 8,90" 312mm / 12,30" 349mm / 13,70" 363mm / 15,10" 386mm / 15,20" 419mm / 16,50" 440mm / 17,30" 404mm / 15,90"
B 190mm / 7,48'' 256mm / 10,08" 256mm / 10,08" 256mm / 10,08" 340mm / 13,39" 340mm / 13,39" 360mm / 14,20" 420mm / 16,54" 420mm / 16,54"
C 135mm / 5,31'' 150mm /5,91" 200mm / 7,87" 200mm / 7,87" 250mm / 9,84" 250mm / 9,84" 300mm / 11,81" 300mm / 11,81" 300mm / 11,81"
D 197mm / 7,76'' 337mm / 13,30" 337mm / 13,30" 337mm / 13,30" 350mm / 13,80" 350mm / 13,80" 350mm / 13,80" 456mm / 18,00" 456mm / 18,00"
E ø217mm / 8,54'' ø300mm / 11,80" ø300mm / 11,80" ø300mm / 11,80" ø300mm / 11,80" ø300mm / 11,80" 356mm / 14,02" ø396mm / 15,60" ø396mm / 15,60"
F ø160mm / 6,30'' ø200mm / 7,84" ø200mm / 7,84" ø200mm / 7,84" ø200mm / 7,84" ø200mm / 7,84" ø260mm / 11,24" ø265mm / 10,40" ø265mm / 10,40"
G 6 x ø6,5mm / 0,26'' 6x ø10,5mm / 0,41" 6x ø10,5mm / 0,41" 6x ø10,5mm / 0,41" 6x ø10,5mm / 0,41" 6x ø10,5mm / 0,41" 8x ø10,5mm / 0,41" 8x ø10,5mm / 0,41" 8x ø10,5mm / 0,41"
H ø98mm / 3,86'' ø129mm / 5,08" ø129mm / 5,08" ø129mm / 5,08" ø129mm / 5,08" ø129mm / 5,08" ø315mm / 12,40" ø345,6mm / 13,60" ø345,6mm / 13,60"
Max. Stern
thickness
14mm / 0,55'' 35mm / 1,38" 54mm / 2,13" 54mm / 2,13" 60mm / 2,36" 60mm / 2,36" 50mm / 1,97" 60mm / 2,36" 60mm / 2,36"
Measurements ref.
mm / inch
SP100HYD SP220HYD SP300HYD SP550HYD
A 158mm / 6,22" 178mm / 7,01" 208mm / 8,19" 259mm / 10,20"
B 256mm / 10,08" 340mm / 13,39" 420mm / 16,54" 570mm / 22,44"
C 200mm / 7,87" 300mm / 11,81" 300mm / 11,81" 380mm / 14,96"
D 337mm / 13,30" 350mm / 13,80" 456mm / 18,00" 550mm / 21,65"
E ø300mm / 11,80" ø300mm / 11,80" ø396mm / 15,60" ø600mm / 23,62"
F ø200mm / 7,84" ø200mm / 7,84" ø265mm / 10,40" ø400mm / 15,75"
G 6x ø10,5mm / 0,41" 6x ø10,5mm / 0,41" 8x ø10,5mm / 0,41" 12x ø13mm / 0,51"
H ø129mm / 5,08" ø129mm / 5,08" ø345,6mm / 13,60" ø530mm / 20,87"
Max. Stern
thickness
8
8
8
8
2a. Once the place for the installation has been decided, hold the tunnel in place in the horizontal position and
3a. It is important that the tunnel flange sits flush on the transom. If this is not case, then the fitting area on the
4a.
5a. When fitting the tunnel, ensure that there is ample sealant (Sikaflex or similar) in the sealing tracks of the
6a. The electromotor must have a solid support so that the weight
7a. Refer to the installation manual for the recommended thruster fitting.
FIG. 4
FIG. 3
FIG. 2
Before tting the tunnel to the transom, install the gearleg to the tunnel as described in the thruster
installation manual. For thrusters with external oil tank, we recommend that the oil feed pipe is tted
before the tunnel ist bolted to the transom.
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