Volvo Penta 4.3GL Instruction Book page 67

Oil. Replacement DP-S drive
Place drive unit in the run (down) position. Remove
propellers and mounting hardware. See chapter Pro-
A
pellers.
NOTE! Removing DuoProp propellers require the
use of special tools.
Remove the oil drain plug (B) (below propeller shaft)
and the oil level dipstick (A). Allow the drive unit to
drain completely. Dispose of used oil in accordance
with any applicable environmental regulations.
To fill the drive unit, remove the three screws se-
curing the rear cover to access the oil level plug (C).
Remove oil level plug.
A
Fill drive unit with oil through the oil drain plug loca-
tion (B). Fill slowly to purge air. The drive unit is pro-
perly filled when the oil appears at the oil level plug
hole. For oil quality and capacity: See chapter Tech-
nical Data .
NOTE! If unable to fill the drive unit through oil drain
B plug (B), the drive can be filled by trimming it up a
few degrees and filling through the oil level plug (C).
When filled to the proper level, install oil level dipstick
and oil level plug first to prevent excessive oil loss,
then the oil drain plug. Tighten oil level and drain
plugs securely. Reinstall oil level plug, and place
drive in the run (down) position. Remove dipstick (A)
and check oil level. Reinstall dipstick and tighten se-
curely.
C
Install propellers. Install rear cover and tighten
screws securely. Check oil level with the dipstick, oil
must appear on the full range of dipstick. Add oil if
required through the dipstick hole.
NOTE! If drive unit was filled through the oil level
plug (C), wait 15 minutes before checking oil with
dipstick. This will help ensure all air is purged from
the oil cavity. Leave dipstick (A) loose during waiting
period.
65