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4. Allow the drive unit to drain completely, then replace the drain plug. If the oil shows signs of water, contact your
Volvo Penta dealer for service assistance.
12. Make sure the fill and drain plug seals are not leaking.
13. Install the rear cover and tighten screws securely.
External lubrication points
The gimbal bearing and universal joints must be lubricated each year. This procedure requires the removal of the drive
unit; therefore, your Volvo Penta dealer should do it. An ideal time to have this done is during the winterization process.
Failure to have the gimbal bearing and universal joints lubricated each year may result in damage to the pivot housing
and drive unit.
Anodes ("sacrificial" anodes)
Sacrificial anodes are attached to the bottom of the gimbal
housing and at the front of the gearcase above the
anti-ventilation plate. (On the DPX drive only, there are addi-
tional anodes at the back of the intermediate housing, and on
the steering cylinders.)
Anodes are slowly eroded away by galvanic action and require
inspection. Additionally, anodes that are subjected to frequent
wetting and drying require periodic scraping with coarse emery
cloth or sandpaper to remove scale and oxidation to maintain their effectiveness. Do not
paint anodes, as this will destroy their effectiveness.
When you need to replace the anodes, see your Volvo Penta dealer. The material
composition of Volvo Penta anodes meets U.S. Military Specification 18001-H. If you use
other anodes, make sure they have equivalent specifications or galvanic corrosion
protection will be lost.
You may order the anodes separately, or as part of an accessories kit. (The accessories
kit also includes o-rings, oils, washers, seals, and bellows.)
Replacing sacrificial anodes
1. Inspect anodes every 14 days, or more frequently if used in extremely salty water. If an anode is 2/3 its original size
(1/3 eroded), replace it.
Note:
If you use a stainless steel propeller, additional sacrificial anodes may be required to handle the added corrosion
potential.
2. Remove the two screws holding the anodes onto the gearcase and/or the gimbal housing. Set the screws aside,
as you will use them again.
3. Pull off the old anode.
4. Insert the new anode.
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5.
Dispose of used oil according to any applicable environmental regulations.
Filling the drive unit (DPX)
6.
To fill the drive unit, remove the rear cover and the oil fill plug. (Refer to
Specifications on pages 95 through 100 for drive unit oil capacity.)
7.
Tilt the drive unit up.
8.
Fill the drive with Volvo Penta DuraPlus GL5 Synthetic gearcase lubricant.
9.
When filled to the proper level, install the oil fill plug and tighten it securely.
10.
Lower the drive and check the oil level with the dipstick.
11.
If necessary, add oil through the dipstick hole.
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