Vetus BOW THRUSTER Manual De Manejo página 15

If it is found during test running that the thrust direction does not
correspond with the direction switch on the control panel then the
blue (no. 1) and the white (no. 4) wires on the relay must be inter-
changed.
Do NOT test the bow thruster while the ship is out of water, un-
less you are certain that everyone is at a safe distance from the
thrust tube.
Never allow the bow thruster to run for longer than 5 seconds
with the ship out of water.
6 Maintenance
Check the carbon brushes for wear - in normal use once per year -
with very intensive use of the bow thruster, e.g. with hire vessels,
once every two months.
• Remove the Protective cover from the relay and then the Protec-
tive cover to the brushes.
• Clean the carbon brushes, the holders and the collector. (Blow
away the dust coming off the brushes.)
• Check the length of the carbon brushes and replace before the
minimum length (L min) is reached. Also check the collector for
excessive wear.
For minimum length and art. code, see page 76.
• The brushes can be taken out of the holders by releasing the re-
taining spring.
The bow thruster tailpiece has long-term lubrication.
The following maintenance should be carried out during a slipway
service:
• Check the cathodic Protection and if necessary renew the zinc
anode.
For the art. code for the zinc anode, see page 76.
• Provide the bolts with a screwlock (Loctite®).
• Clean the propeller shaft, grease with 'outboard gear grease' and
refit the propeller on the shaft.
Six weeks after installation and at least once annually thereafter,
be sure to check all of the electrical connections between the bat-
tery/batteries and the bow thruster, as well as the connections on
the motor relays.
If they have been loosened previously, prevent the nut and bolt from
turning while connecting the main power supply cables. This is also
why you should always use a second wrench when tightening bolts.
The instructions of the manufacturer should be followed for the
maintenance of the batteries. Vetus batteries are maintenance free.
vetus® Operation manual and installation instructions bow thruster BOW3512F
W !
arning
4
1
Outboard Gear
Grease
M5
2 Nm
M6 10 2 Nm (1.5 ft.lbf )
ENGLISH
1 4
Loctite® 242
3
(1.5 ft.lbf )
15
020523.21