Mercury 2.8 Diesel, Operation & Maintenance Manual

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Section 4 - Maintenance
Page 46 90-8M0113987
eng
DECEMBER 2015
7. Remove the vent plug and sealing washer. Allow the gear lube to drain completely.
a - Vent plug
b - Sealing washer
IMPORTANT: If any water drains from the fill and drain plug hole, or if the gear lube appears milky, the sterndrive is
leaking and should be checked immediately by your Mercury Diesel authorized repair facility.
8. Lower the sterndrive so that the propeller shaft is level.
9. Fill the sterndrive through the fill and drain plug hole with the specified gear lube until an air‑free stream of lube flows from
the vent plug hole.
Tube Ref No. Description Where Used Part No.
87
High Performance Gear Lube Sterndrive unit 92-858064K01
IMPORTANT: Use only Mercury/Quicksilver High Performance Gear Lube in the sterndrive.
10. Install the vent plug and sealing washer.
11. Continue to pump gear lube into the drive through the fill and drain plug hole until the gear lube appears in the gear lube
monitor.
12. Fill the gear lube monitor so that the gear lube level is in the operating range. Do not overfill.
Gear lube monitor
a - Gear lube level at the "ADD" mark
b - Gear lube level at the "OPERATING RANGE" mark
c - Gear lube monitor cap
Sterndrive Model
Fluid Capacity includes
the Sterndrive and the
Gear lube Monitor
Fluid Type Fluid Part Number
Bravo One X Diesel
Bravo One XR
2736 ml (92‑1/2 oz.)
High Performance Gear
Lube
92‑802854A1 Bravo Two X Diesel 3209 ml (108‑1/2 oz.)
Bravo Three X Diesel
Bravo Three XR
2972 ml (100‑1/2 oz.)
13. Ensure that the rubber gasket is inside the gear lube monitor cap and install. Do not overtighten.
a - Gear lube monitor cap
b
a
19066
19947
b
a
c
a
19962