OPERATING HINTS
The Aulohelm 2000’s computer
continuously optimises
steering performance
the
need
operalor supervision.
II is, however, very
lo
undersland the effect of sudden trim
changes on steering performance. When
a sudden change in
occurs the
automatic trim compensation system
requires approximately 60 seconds to
apply the necessary rudder off-set to
restore
heading. In gusling
condilions, therefore, the course may
lend lo wander slightly. particularly in
case a sailing
with badly
balanced sails.
case, a
improvement in course
keeping can always be obtained by
improving sail balance. Bear in mind
following imporlanl
l
Do not allow the yacht lo heel
excessively.
l
Ease lhe mainsheel
lo
leeward lo reduce heeling and
weather helm.
necessary reef the mainsail a
early.
II is also advisable whenever possible
lo avoid sailing with
wind dead astern
in very slrong winds and large seas.
Ideally,
wind should be brought al
least
away from a dead run and in
severe conditions il may be advisable to
remove the mainsail altogether and sail
under headsait only. Providing lhese
simple precautions are taken the
autopilot will be able to
competent control in gale force
condilions.
It may be
autopitol
tends lo be a
slable on northerly
headings in the higher lalitudes of the
hemisphere (and corivcrscly
soutt
headings in the southern
hemisphere). This is caused by the
increasing angle dip of the
magnetic field at higher latitudes which
has the effect of amplifying rudder
response on northerly headings. The
tendency towards norlherty heading
instability is usually more obvious al
higher speeds and when occurs can
be corrected by reducing the rudder
control selling.
Passage making under automatic pilot
is a very pleasant experience which can
lead lo the temptation of relaxing
permanent watch. This must always be
avoided no malter how clear the sea may
appear to be.
Remember, a large ship can travel Iwo
miles in five minutes -just the lime it takes
lo make a cup of coffee!
TOTE BAG
(Cat No.
A special zip top padded bag made from
lough PVC is available lo
and
stow your Aulohetm and is available from
Autohetm slockisls.
W a r n i n g
l
Do not slow your Aulohelm in a locker
liable to flooding by the bilge water.
Do
leave your
in a damp
locker over the winter lay up period.
MAINTENANCE
All moving
the system have been
lubricated for life at the
Therelore
whatsoever will be
required. Should a
develop
autopilot’s plugabilily ensures that only
the defective unit need be returned.
Before lhis is done please double
check that the power supply cable is
sound and that
connections are light
and free from corrosion.
Since
control unit is lhe most
complex, there is a very high probability
that if a fault has occurred it is in this unit
which should therefore be returned for
repair, which wilt be carried out speedily
and al moderate cost. The drive unit has
lo be extremely reliable and is
very unlikely to develop a fault. however
the drive unit is
of being faulty
it may be checked by connecting 12V
across the sockets al the end of the drive
unit cable and ensuring the motor runs
normally.
In
case of a sailing yacht fitted with
a
system if a fault occurs only
in vane mode then it is likely lhal a fault
has developed in the vane head.
LIMITED WARRANTY
Naulech or ils appointed Distributors or
Service Cenlres will, subject lo
condilions below, rectify any failures in
this
due to
which become apparent within two years
ot its
date.
Equipment used in lhe country of
purchase should be sent directly to the
aulhorised Distributor for that
or
its appointed Service Cenlres. The
product will then be serviced
of
charge and returned promptly direct to
the sender.
Equipment used outside the country of
purchase can be
a. Returned to the Distributor or Dealer
in whose country or from whom
equipment was originally purchased
it
then be serviced free of charge
and promptly returned direct to the
sender, or
b. The product can be
freight
pre-paid to the authorised Dislributor
or its appoinled Service Centres in the
country in which the product is being
used. II will then be serviced and
returned direct lo the sender on the
basis that the Distributor or Service
Centre will supply any parts used free
of charge but the sender will be
invoiced for the necessary
and
return shipment at the local rate.
CONDITIONS
The warranty is invalid
a. The product has been misused,
installed or
not in
accordance with the standards
defined in this manual.
b. Repairs have been attempted by
persons other
Nautech approved
Service personnel.
AFTER SALES SERVICE
Centres. You will find a list enclosed.
Should for any reason your
Each service cenlre is trained and
2000 require attention ensure that you
return it lo one of the Authorised Service
equipped lo provide expert allenlion to
your
2000.
Summary of Contents for Autohelm 2000
Page 2: ......
