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Skytrak 8042 - Page 246

Skytrak 8042
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Hydraulic Section
8-36
31211015 6036, 6042, 8042, 10042, 10054
m. 10054 (Prior to SN 0160074878, excluding 0160074813 and 0160074818)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
G
H
E
F
C
D
A
B
8
7
6
5
4
3
2
1
Secondary Function
Manifold_Dana axle
conguration
Joystick
Service Brake Valve
Cooler
Return Line Filter
HOC Bypass
Outrigger Cylinders
ø 5 Base x ø 3 Rod x 13.31 Stroke
Right Side
Left Side
65 psi
Frame Tilt Cylinder
ø4.5 Base x ø 2.25 Rod x 8.69 Stroke
Stabilizer Cylinder
ø 4.50 Base x ø 2.25 Rod x 8.69 Stroke
ø 0.047
ø 0.040
Filter Bypass
10 μ
25 psi
PT
1
2
3
4
P
T
5 psi
550 psi
BV
JS
PB
P
5 psi
ø0.073
B2
B1
LS
T
B1
B2
A2
A1
P
T
LS
1.2 mm
ø 0.156
ø 0.156
Boom Lock Out Valve
150 psi
V
FTR
ø 0.06
ø 0.06
100 psi
200 psi
ø 0.03
G3
G2
G1
P
T
Pilot Ratio : 4:1
Setting : 4000 psi
Fork Tilt Cylinder
ø 6 Base x ø 2.5 Rod x 16.75 Stroke
Hoist Cylinders
ø 6 Base x ø 3.5 Rod x 42.41 Stroke
Extend Cylinder
ø 5 Base x ø 3.25 Rod x 131.25 Stroke
Pilot Ratio : 3:1
Setting : 3500 psi
B1
A1
Pilot Ratio : 4:1
Setting : 1000 psi
B2
A2
Pilot Ratio : 4:1
Setting : 1000 psi
T
V
C
ENG
Engine
Front Wheel
Brake
Rear Wheel
Brake
L
S
L1
L2
B
X
. Piston Pump : 3.84 in³/rev
. Low idle : 1100 rpm, 18.3 gpm
High Idle : 2700 rpm, 44.9 gpm
Rated : 2500 rpm, 41.6 gpm
. Pump Cut-off Pressure : 3250 psi
. Standby Pressure : 480 psi
3335 psi
3335 psi
2465 psi
Steering Valve,
Displacement- 400 CC/Rev
T
LS
P
ø 3.93 Base x ø 1.97 Rod x 4.56 Stroke
Front
Rear
Crab
Steer
4 Wheel
Steer
Pilot Ratio : 3:1
Setting : 3500 psi
Pilot Ratio : 3:1
Setting : 3500 psi
Slave Cylinders
ø 4.25 Base x ø 1.75 Rod x
13.75 Stroke
Steering Priority
Hoist
Extend
Aux.
Frame Tilt
Fork Tilt
Aux. Function
Quick Disconnect
At Boom Gooseneck
DLS
T
P
LS
D
M
3050 psi
3625 psi
3625 psi
B5
A5
TPr
Pr
P2
LS
B4
A4
B3
A3
a2
b2
B2
A2
3625 psi
a1
b1
B1
A1
3625 psi
T3
MAQ1320C

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