POWER TRIM
90-828631R3 MARCH 1999 Page 5C-19
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 (t) and shock piston (u) to the level required to open
the shock return valve (h), 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 manifold reverse suction valve (o). This will return the engine back against the
memory piston (t) and into the original running position.
a-Trim Rod
b-End Cap
c-Electric Motor
d-Reservoir Oil
e-Down Circuit Pressure Relief Valve
f-Down Circuit Pressure Operated Valve
g-Filter (2 shown for clarity)
h-Shock Return Valve
i-Up Circuit Suction Port
j-Oil Pump Gears
k-Down Circuit Suction Port
l-Oil Fill Cap
m-Shuttle Valve
n-Up Circuit Pressure Operated Valve
o-Manifold Reverse Suction Valve
p-Manual Release Valve
q-Manifold
r-Tilt Relief Valve
s-Tilt Relief Piston
t-Memory Piston
u-Shock Piston
v-Impact Relief Valve
w-Cylinder
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