Drive
The propulsion unit has an electronically controlled
hydraulic clutch. Two soleniod valves, primary (for-
ward gear) and secondary (reverse gear), is controlled
by electrical signals from the operator’s control levers.
The propulsion unit's lubrication system is equipped
with an oil filter and an oil cooler.
The propulsion unit is protected against galvanic cor-
rosion. This protection consists of sacrificial anodes.
An active corrosion protection, ACP, is optional. Faulty
electrical installation can also cause the breakdown of
the galvanic protection. Damage due to electrolytic
corrosion occurs rapidly and is often extensive. For
further information please refer to
Transmission lubricant, checking
and topping up
IMPORTANT!
The drive must be stopped for at least 12 hours before
a correct oil level check can be made. Check the oil
level every day before the engine is started.
Open the oil filler cap (
1
) so that excess pressure is
released. Undo the oil dipstick (
3
) with the aid of a
standard 1/2" extension (
2
). Dry off the oil dipstick and
replace it in the drive; do not screw down the oil dipstick
when checking the oil level. Pull out the oil dipstick
again and check the oil level. The correct level is within
the marked area.
Top off with oil through the oil filler (
1
); refer to
Stern-
drive
for oil grade and volume.
When checking oil level, also check that the oil does
not show signs of water emulsion. Oil should have a
golden-brown hue; a milky or gray color is an indication
of water emulsion. In this case let a Volvo Penta work-
shop carry out a test.
P0007397
Maintenance
47705796 05-2014 © AB VOLVO PENTA
109
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