MerCruiser 3.0 TKS, User Manual

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Section 5 - Maintenance
Page 56 90-8M0053372
eng
NOVEMBER 2010
5.
All Other Models:
Place the sterndrive unit in full trim limit out position, remove the oil fill/drain screw and sealing washer
and drain the oil.
a - Oil fill/drain screw
b - Sealing washer
6. Remove the oil vent screw and sealing washer. Allow the oil to drain completely.
a - Oil vent screw
b - Sealing washer
IMPORTANT: If any water drained from the oil fill/drain hole, or if the oil appears milky, the sterndrive unit is leaking and
should be checked immediately by your authorized Mercury MerCruiser dealer.
7. Lower the sterndrive unit so that the propeller shaft is level. Fill the sterndrive unit, through the oil fill/drain hole, with
specified gear lubricant until an air‑free stream of lubricant flows from oil 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 sterndrive unit.
8. Install the oil vent screw and sealing washer.
9. Continue to pump gear lubricant into the gear lube monitor circuit until the gear lubricant appears in the gear lube monitor.
10. Fill the monitor so that the oil level is in the operating range. Do not overfill. Ensure that the rubber gasket is inside the cap
and install. Do not overtighten.
NOTE: Oil capacity includes gear lube monitor.
Model Capacity Fluid Type
Alpha One 1892 mL (64 oz)
High Performance Gear Lubricant
Bravo One 2736 mL (92‑1/2 oz)
Bravo Two 3209 mL (108‑1/2 oz)
Bravo Three 2972 mL (100‑1/2 oz)
11. Remove the pump from the oil fill/drain hole. Quickly install the sealing washer and oil fill/drain screw. Tighten securely.
12. Reinstall the propeller. Refer to
Propellers
.
13. Recheck the oil level after the first use.
IMPORTANT: Oil level in the gear lube monitor will rise and fall during sterndrive operation. Check the oil level only when the
sterndrive is cool and the engine is shut down.
b
a
mc79507-1
mc77106-1
b
a