Volvo Penta D4 Operator's Manual page 91

7748934 04-2008
Reverse Gear, Oil och Filter Change
1 Clean around the cap (2) so that there is no risk of
dirt falling into the filter housing.
2 Undo the Allen bolt (1) with a 6mm Allen key.
Remove the cover (2). Change the O-rings in the
cap; lubricate the new ones.
3 Remove the filter (3).
4 Use an oil drain pump to pump out the oil from the
oil filter housing. Connect the hose to the suction
tube (4) in the bottom of the housing. Suction hose
maximum external diameter is 16 mm.
5 Measure out the correct quantity of oil and fill the
reverse gear via the oil filter housing. Refer to the
Technical Data page 116 section for oil grade and
quantity.
IMPORTANT!
Never over-fill the reverse gear. The oil level must
always be within the recommended range.
6 Install the new filter (3) in the filter housing.
7 Install the cover. Tightening torque: 5-8 Nm
8 Put the control lever in neutral. Start the engine and
run it at 1500 rpm for a few minutes so that the
reverse gear oil cooler fills with oil.
9 Stop the engine and check the oil level. Top up as
needed
Maintenance
89