Mercury GO BOLDLY SeaPro 500hp Operation And Maintenance Manual page 111

NOTE: Early engine models are equipped with a cap. Later engine models are
equipped with a vent filter. Keep the vent filter dry after it is removed. Replace
the vent filter if it gets submerged in any liquid, such as water or oil.
a
5. Place the fluid transfer pump drain tube into an appropriate container. The
container should be large enough to hold at least 2.8 L (3.0 US qt).
6. Extract the gearcase lubricant with the pump.
7. Allow the drain tube to completely drain before removing the transfer
pump assembly from the gearcase fill/evacuation tube.
8. Press on the fluid drain hose lock button to release it from the gearcase
fill/evacuation tube.
Filling the Gearcase
1. Ensure that the engine is trimmed to the vertical operating position.
2. Place an overflow tube on the gearcase vent tube in case of an overfill.
NOTE: A Mercury fluid drain hose can be used for this purpose.
Fluid Drain Hose
3. Fill a graduated cylinder with 2.8 L (3.0 US qt) of the specified gearcase
lubricant.
Description
High Performance Gear
Lubricant
4. Using the fluid transfer pump or a gear lube pump, fill the gearcase
through the fill/evacuation tube. Fill with the entire specified volume. If
lubricant comes out of the gearcase vent tube before the entire volume is
pumped in, stop filling; the system is full.
eng
MAINTENANCE
b
a - Gearcase vent tube with cap—early
models
b - Gearcase vent tube with vent filter—
late models
72554
64627
Where Used
Gearcase
101
8M0129230
Aids in the removal of engine fluids.
Connect to a fluid transfer pump.
Part No.
92-858064K01