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020802.01
25
vetus®
Installation instructions BOW PRO Series Thruster: BOWA0301
020536.05
iii
FOKKERSTRAAT 571
- 3125
BD
SCHIEDAM - HOLLAND - TEL.:
+31 10 4377700
TELEFAX: +31 10 4372673 - 4621286 -
E-MAIL: [email protected] - INTERNET: http://www.vetus.com
vetus
b.v.
Printed in the Netherlands
22 (7/8”) 22 (7/8”)
ø 9 (3/8”)
ø 30 (1 3/16”)
37 (1 29/64”)
77 (3 1/32”)
ø 9 (3/8”)
ø 9
(3/8”)
Schaal 1:1
Scale 1:1
Maßstab 1:1
Echelle 1:1
Escala 1:1
Scala 1:1
Skala 1:1
Skala 1:1
Målestokk 1:1
Suhde 1:1
BOW7512D
BOW7524D
75 k
gf
ø 185 mm
2014-01
3 .6 Drilling the holes in the thrust-tunnel
Mark the installation position of the bow thruster by means of the
intermediate flange.
Use the drill pattern supplied, to determine the correct position of
the holes to be drilled.
Important:
The pattern of the holes must be positioned precisely on
the centreline of the tunnel.
Consult the template for the dimensions of the holes to be drilled.
Drill the holes through the thrust tunnel and take care that the holes
are free of burrs.
3 .7 Protection of the bow thruster against corrosion
To prevent corrosion problems, do not use copper based anti-foul-
ing. Cathodic protection is a ‘must’ for the protection of all metal
parts under water and the bow thruster is supplied with a zinc anode
for this purpose.
Corrosion of a steel or aluminium thrust tunnel can be reduced by
ensuring that the tail piece is completely insulated from the thrust-
tunnel.
NOTE: The gaskets supplied are already electrically insulated. How-
ever the bolts and the shaft need to be fitted with insulation mate-
rial, for example nylon bushes.
Insulation bush
Gasket
Insulation bush
Insulation bush
ENGLISH