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Checking Power Trim Fluid
1.
Tilt the outboard to the full up position and engage the tilt support lock.
2.
Remove the fill cap and check the fluid level. The fluid level should be even with the bottom of the fill hole. Add Quicksilver
or Mercury Precision Lubricants Power Trim and Steering Fluid. If not available, use automotive (ATF) automatic
transmission fluid.
Tube Ref No.
Power Trim and Steering
114
Fluid
Purging Power Trim System
IMPORTANT: The fill cap with O‑ring must be tightened securely before operating the power trim system.
IMPORTANT: Operate the power trim system in short spurts until the hydraulic pump is primed and the trim cylinders move.
•
Cycle the outboard through the entire trim/tilt range four times.
•
To check for presence of air in the system, extend cylinders slightly and push down on outboard. If the trim rams retract
more than 3 mm (0.125 in.), air is present. Cycle trim system again and repeat this step.
•
Check fluid level. Refer to Checking Power Trim Fluid.
Manual Tilting
If the outboard cannot be tilted using the power trim/tilt switch, the outboard can be manually tilted.
NOTE: The manual tilt release valve must be tightened before operating the outboard to prevent the outboard from tilting up
during reverse operation.
Turn out the manual tilt release valve three turns counterclockwise. This allows manual tilting of the outboard. Tilt the outboard
to the desired position and tighten the manual tilt release valve.
Trailering Boat/Outboard
Trailer your boat with the outboard tilted down in a vertical operating position.
90-8M0105568 eng MARCH 2016
Description
9703
9701
Where Used
Power trim system
9976
© 2016 Mercury Marine
Power Trim
Part No.
92-858074K01
Page 5B-7
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Table of Contents
Troubleshooting
