Theory Of Operation; Power Trim Hydraulic Diagram - Mercury 25 EFI Service Manual

Theory of Operation

Power Trim Hydraulic Diagram

q
r
a - Reservoir
b - Filter
c - Electric motor
d - Trim up inlet check valve
e - Trim down inlet check valve
f - Down circuit relief valve
g - Hydraulic pump
h - Trim up pressure operated check valve
i - Up circuit relief valve and shuttle valve
j - Trim down pressure operated check valve
k - Return valve
l - Trim cylinder
m - Impact relief valve
n - Shock piston
o - Memory piston
p - Up circuit thermal relief valve
q - Down circuit thermal relief valve
r - Manual release valve
90-8M0105568 eng MARCH 2016
o
p
h
g
e
a
b
n
m
k
j
i
c d
© 2016 Mercury Marine
Power Trim
l
f
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