Mercury MerCruiser Diesel Inboard 2.8L Operation & Maintenance Manual page 45

4. Install the crankcase oil pump (order separately) onto the threaded fitting of the oil drain hose.
b
a
Crankcase oil pump
5. Pump the oil out of the crankcase into the drain pan.
6. Contain and dispose of the oil or oil waste as directed by local authorities.
7. Remove the crankcase oil pump and install the crankcase oil drain hose fitting when the crankcase is empty. Tighten
securely.
8. Install the oil dipstick.
9. Place a suitable container under the oil filter housing to contain any oil leakage that may occur. Use an appropriate socket
to loosen the oil filter top piece.
10. Remove the top piece and cartridge type oil filter.
11. Disconnect and discard the old filter element. Discard the old O‑ring from the top piece.
12. Install the new O‑ring. Apply lubricant to the O‑ring.
Tube Ref No.
15W40 4-cycle Diesel Engine Oil
121
90-8M0133679 JUNE 2017
eng
Aids in the removal of engine oil without draining the crankcase.
11591
Description
c
a
b
23306
91‑90265A 5
a
b
c
Where Used
Oil filter O-rings
Section 4 - Maintenance
Typical
a - Threaded fitting
b - Oil drain hose
c - Crankcase oil pump
Typical
a - Top piece
b - O‑ring
c - Filter element
16603
Part No.
92-858042K01
Page 37