Impact Relief - BRP Evinrude E-Tec Series Service Manual

115,150,175,200 hp, 60 v models

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TRIM AND TILT

MODES OF OPERATION (THREE PISTON SYSTEM)

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

1. Impact relief valves

Table of Contents