MerCruiser Axius 350 MAG, User Manual

Page: 91 / 148

Section 5 - Maintenance
90-899883234 JANUARY 2008 Page 83
IMPORTANT: If any water drained from the gear lube fill and drain hole, or if the gear lube
appears milky, the sterndrive unit is leaking and should be checked immediately by your
authorized Mercury MerCruiser dealer.
6. Lower the sterndrive unit so that the propeller shaft is level. Fill the sterndrive unit,
through the fill and drain hole, with specified gear lubricant until an air‑free stream of
lubricant flows from the vent hole.
Tube Ref No. Description Where Used Part No.
87
High Performance Gear
Lubricant
Sterndrive unit 92-858064K01
IMPORTANT: Use only Mercury/Quicksilver High Performance Gear Lubricant in the
sterndrive unit.
7. Install the vent screw and sealing washer.
8. Continue to pump gear lubricant into the gear lube circuit until the lubricant appears in
the gear lube monitor.
9. Ensure that the rubber gasket is inside the cap and install the cap. Do not overtighten.
10. Fill the monitor so that the gear lube level is in the operating range. Do not overfill.
NOTE: The capacity includes the gear lube monitor.
Model Capacity Fluid Type
Bravo Three—dual water pickups 2736 mL (92‑1/2 oz)
High Performance Gear Lubricant
Bravo Three—side water pickups only 2972 mL (100‑1/2 oz)
11. Remove the pump from the fill and drain hole. Quickly install the sealing washer and
the fill and drain screw. Tighten securely.
12. Reinstall the propeller. Refer to
Propellers
.
13. Recheck the gear lube level after the first use.
IMPORTANT: The level of oil in the gear lube monitor will rise and fall during sterndrive
operation. Check the level only when the sterndrive is cool and the engine is shut down.
Power Trim Fluid
Checking
IMPORTANT: Check the oil level with the sterndrive unit in the full down/in position only.
1. Place the sterndrive unit in full down/in position.