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TRIM AND TILT
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
The power trim/tilt hydraulic system is completely
contained between the outboard's stern brackets.
The system consists of:
• Electric motor
• Oil reservoir
• Pump manifold assembly
• Cylinder body assembly
Optimal boat and outboard performance can be
achieved by adjusting (trimming) the angle of out-
board propeller thrust. The first 15° of outboard
movement is considered trim range.
Outboard movement beyond the trim range is
considered tilting. Tilting of the outboard may be
desired for shallow water drive and for traile-
ring/storage. The tilt cylinder moves the outboard
through the tilt range (final 50°).
A tilt relief valve limits the propeller thrust load that
will be supported by the unit in tilt range. As pres-
sure increases, the outboard will tilt down to the
top of the trim range.
IMPORTANT: When in tilt range, make sure
water is available to gearcase water pickups.
Manual Adjustment
The outboard can be manually raised or lowered
through the entire trim and tilt range by opening
the manual release valve a minimum of three
turns. The manual release valve must be closed
and torqued 45 to 55 in. lbs. (5 to 6 N·m) to hold
the outboard in position and before normal opera-
tion can be resumed.
Trailering Bracket And Tilt
Support
Use the trailering bracket to support the outboard
when trailering in the tilted position. This bracket
protects the hydraulic system from damage.
Tilt the outboard up fully, engage the bracket, then
tilt the outboard down until the bracket is firmly in
position.
For mooring or storing the boat with the outboard
tilted, a tilt support is provided to support the out-
board.
IMPORTANT: The tilt support must not be used
to support the outboard while trailering.
1. Manual release valve 001988
1
1. Trailering Bracket 001987
1. Tilt support 002279
1
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