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1
Safety
Warning indications
Where applicable, the following warning indications are used in this
manual in connection with safety:
Indicates that great potential danger exists that can lead to serious
injury or death.
Indicates that a potential danger that can lead to injury exists.
Indicates that the usage procedures, actions etc. concerned can re-
sult in serious damage to or destruction of the engine. Some CAU-
TION indications also advise that a potential danger exists that can
lead to serious injury or death.
Emphasises important procedures, circumstances etc.
Symbols
Indicates that the relevant procedure must be carried out.
Indicates that a particular action is forbidden.
Share these safety instructions with all users.
General rules and laws concerning safety and accident prevention
must always be observed.
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2
Introduction
The thrust given by the bow thruster will vary from vessel to vessel
depending on the effect of the wind, the water displacement and the
shape of the underwater hull.
The nominal thrust quoted can only be achieved under the most fa-
vourable conditions. Therefore, the following factors are to be obser-
ved:
- Flow and pressure of the pump must be attuned to the hydraulic
motor.
- The actual method of connecting the thrust tunnel to the ship's
hull is of utmost importance for the best possible performance.
See paragraph 'installation instructions' .
- Only when absolutely necessary (e.g. when sailing frequently in
muddy or polluted waters) grids may be installed to the tunnel
openings.
- In case such grid bars are being fitted, please observe closely the
recommendations made in paragraph 'installation instructions' .
Compliance with the recommendations that follow hereafter, will re-
sult in a longer life and better performance of the bow thruster:
- Never run the bow thruster continuously for a long period of time.
With a view to the internally generated heat.
- Check during sailing that the maximum temperature of the hy-
draulic oil doesn't exceed a temperature of 100 degrees C.
- All of the specified maintenance should be carried out regularly.
3
Use
General
- The bow thruster can only be used if the main engine, which
drives the hydraulic pump, is in operation.
- The thrust of the bow thruster depends on:
- the number of revolutions of the main motor
- the number of pieces of hydraulic equipment switched on
(for instance simultaneous use of both bow thruster and stern
thruster)
- Depending on the type of load-sensing-valve used, the bow
thruster must be operated using the appropriate control panel:
- 1-step load-sensing-valve:
3-position lever switch: BPJE2 or BPJDE2, or selector switch:
BPSE2
- 2-step load-sensing-valve:
5-position lever switch: BPJ5 or BPJSTH5 or BPJ5D
If 2 control panels are installed never operate the bow thruster
from both panels simultaneously.
Installation and user manual Hydraulic bow thruster 55, 95, 160, 230, 310, 410, 550 kgf
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aution
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