Section 5 - Maintenance
Page 62 90-899883272 MARCH 2008
Model Capacity Fluid Type
Alpha One 1892 ml (64 oz) High Performance Gear Lubricant
10. Remove the pump from the oil fill/drain hole. Quickly install the sealing washer and oil
fill/drain screw. Tighten securely.
11. Recheck the oil level after the first use.
IMPORTANT: Oil level in the gear lube monitor will rise and fall during sterndrive operation;
always check the oil level 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.
2. Remove the fill cap from the reservoir.
b
c
a
5573
a - Fill cap
b - Reservoir fill neck
c - "MIN" and "MAX" lines
3. Observe the oil level. Level must be between the "MIN" and "MAX" lines on the
reservoir.
NOTE: Fill cap is vented.
4. Fill as necessary with the specified fluid.
Tube Ref No. Description Where Used Part No.
114
Power Trim and Steering Fluid Power trim pump 92-858074K01
Filling
1. Remove the fill cap from the reservoir.
2. Add lubricant to bring level to the bottom of the filler neck.
Tube Ref No.
Description Where Used Part No.
114
Power Trim and Steering Fluid Power trim pump 92-858074K01
3. Install the cap.
Changing
Power trim fluid does not require changing unless it becomes contaminated with water or
debris. Contact your authorized Mercury MerCruiser dealer.
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