5
Y
blades will engage in either forward or reverse
The VARIPROP feathers automatically when the shaft rotation is stopped After engine startup and shifting into gear the
reverse to stop the freewheeling of the shaft
» • Stop the engine and engage the transmission in
» • Power at 3 to 4 knots in forward
with mechanical gear-box:
sailposition
position.
spinning the shaft to feather the blades in the sail
remaining oil pressure of the transmission will stop
» • Stop the engine while still engaged in forward The
» Power at 3 to 4 knots in forward.
with hydraulic transmission:
sailposition
If the propeller does not work in forward or reverse go systematically through the points below:
feather You can actually use this feature to drive a shaft generator
the engine while it turns in reverse In this case the blades will stay in the reverse position and will not
Once the prop is feathered , it is better to shift the transmission to neutral
In that case start the engine again and repeat the steps above
If the propeller is not feathered in the sailposition the shaft will freewheel like with a fixed propeller
amount of lever travel is in no way detrimental.
in the owners manual of your transmission A larger
end positions for forward and reverse can be found in
of the actuating lever, between the neutral position and
amount of lever travel, as measured at the pivot point
Make sure that the shifting travel is not too short. The
» • Check shifting movement of the transmission lever
in idle
» • Check low idle of the engine It should be 800 to 900 rpm
(available by SPW only!)
filled with ours special EP/SAL grease
» Make sure that the VARIPROP is always sufficiently
could be worn out
» • Check the clutch discs of the transmission They
VARIPROP.
blades. This is normal and not a problem or a defect of your
opposite, you can hear the turning-noise of the feathering
propeller gears. When going from ahead to astern or the
binding. This will substantially lengthen the service life of your
between gears to allow smooth reversing of rotation without
necessary to idle down and shift at low rpm's (max.1200rpm)
» When going from ahead to astern or the opposite, it is
and ensure a long service life:
using the VARIPROP in order to avoid unnecessary damage
It is important to observe the following when
of the anode once a year
plus the prop anode We recommend the replacement
corrosion by fitting the usual zinc anodes on the shaft
» The propeller must be protected from electrolytic
approved service centres.
technical know-how only available at the factory or their
Disassembly and reassembly require special tools and
» Never dismantle the VARIPROP yourselves !!
from your VARIPROP distributor.
( offers also protection against electrolyses ), available
recommendation is Velox TF plus including a primer
chemical interaction and decomposition could occur. Our
use only Antifouling which needs a primer first.Otherwise
» If you want to protect your VARIPROP with Antifouling,
servicing page 11 )
TW.2 GEL or mineral multi-purpose grease EP/SAL (see
high viscosity grease We recommend synthetic grease typ
» The propeller body must always be completely filled with a
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