POWER TRIM
Page 5B-10 90-857046R1 NOVEMBER 2001
Tilt Circuit
Tilt Relief Pressure
250400 psi (3060 hp)
500700 psi (4060 hp Bigfoot)
540990 psi (75125 hp)
Up Pressure
1625 psi (3060 hp)
2800 psi (75125 hp)
minimun
Reservoir Oil
Filtered Feed Oil
Oil Under Pressure
Return Oil
Impact Relief Pressure #22
8801110 psi (3060 hp)
12201420 psi (75125 hp)
a
b
c
d
w
v
u
t
h
e
f
g
s
r
p
o
g
n
m
k
j
i
l
q
a-Piston 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
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