POWER TRIM
90-828631R3 MARCH 1999 Page 5B-21
Shock Function Return
After the engine clears the under water object, the weight of the engine will increase the oil
pressure between the memory piston (e) and shock piston (d) to the level required to open
the shock return valve (v), inside the shock piston, allowing the oil to bleed back through the
shock piston into the down cavity. If required, additional oil will enter the down cavity through
the suction valve (g). This will return the engine back against the memory piston (e) in to
the original running position.
a-Electric Motor
b-Trim Rod
c-Impact Relief Valve
d-Shock Piston
e-Memory Piston
f-Manifold
g-Suction Valve
h-Down Circuit Pressure Operated Valve
i-Tilt Relief Actuator
j-Manual Release Valve
k-Tilt Relief Valve
l-Up Circuit Pressure Operated Valve
m-Down Circuit Feed Check Ball
n-Oil Pump Gears
o-Up Circuit Feed Check Ball
p-Shuttle Valve
q-Down Circuit Pressure Relief Valve
r-Check Ball
s-Reservoir Oil
t-Oil Reservoir
u-Oil Fill Cap
v-Shock Return Valve
w-Filter
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