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Maintenance: Drive
Checking the Drive Unit Lubricant
The drive unit is filled at the factory with Volvo Penta
Synthetic Gear Oil.
Make sure that the oil level comes up to the oil vent
hole A at the top of the drive.
• The oil should be amber-colored.
• The oil will appear milky if any moisture is present.
• No metal flakes should appear in the oil.
NOTE! The drain plug C is magnetized. Any metal
flakes in the drive will generally attach to the drain
plug.
If moisture or metal flakes appear in the drive unit oil,
take the boat to your Volvo Penta dealer.
If the oil level is low, add only enough lubricant to bring
the oil level to just below the vent hole.
Draining the Drive Unit
1. Place the drive unit in the run (down) position.
NOTE! Special tools are required to remove Duoprop
propellers.
2. Remove propellers and mounting hardware.
3. Remove the two screws (1) securing the rear
cover to access the oil vent plug.
4. Remove the oil drain plug C and the vent plug B.
5. Allow the drive unit to drain completely. Dispose of
used oil according to applicable environmental
regulations.
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