363
TRIM AND TILT
MODES OF OPERATION (THREE PISTON SYSTEM)
14
Impact Relief
Should the gearcase hit an underwater object and
the outboard suddenly tilts up, the tilt cylinder
extends. The fluid above the piston is com-
pressed, producing high pressure.
This high pressure fluid passes through the
impact relief valves in the tilt piston, dissipating
much of the energy of the impact.
To return the outboard to its original position, the
hydraulic unit must be operated in the DOWN
direction.
1. Impact relief valves DRC3467
1
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