Mercury 40 Service Manual page 324

Maximum Tilt
With the cylinder at maximum travel, and due to no ram movement, the pressure inside of
the trim cylinder will increase to the pressure required to move the tilt relief actuator (i). The
tilt relief actuator's "pin" opens the tilt relief valve (k). Up pressure flows into the trim relief
passage, and return back into the reservoir (t).
a -
b -
c -
d -
e -
g -
h -
k -
m -
n -
o -
p -
q -
s -
u -
v -
w -
90-828631R3 MARCH 1999
Electric Motor
Trim Rod
Impact Relief Valve
Shock Piston
Memory Piston
f - Manifold
Suction Valve
Down Circuit Pressure Operated Valve
i - Tilt Relief Actuator
j - Manual Release Valve
Tilt Relief Valve
l - Up Circuit Pressure Operated Valve
Down Circuit Feed Check Ball
Oil Pump Gears
Up Circuit Feed Check Ball
Shuttle Valve
Down Circuit Pressure Relief Valve
r - Check Ball
Reservoir Oil
t - Oil Reservoir
Oil Fill Cap
Shock Return Valve
Filter
POWER TRIM
Page 5B-15