Sinoboom TB20J Plus - Page 123

HYDRAULIC SYSTEM
TB20J Plus Maintenance Manual 111
© Feb. 2023
Fig 15 Hydraulic schematic diagram (equipped with hydraulic generator)
P
d/a
L2
S
DT209
b
E
MLS
M1
E
F
M4
M5
M1
M2
B
A
M
DT210
s202
DT203
DT204
s203
s201
DT202
DT201
DT207
DT208
s204
DT210
DT209
DT204
DT205
P
LS
P
T
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
B
T2
Pil
Pil
T
DS
DS
M1
M2
P2
P1
DT216
DT212
T
P
DT102
DT101
A1
B1
DT104
DT103
LS
V2 V1
V2
V1
P1
A2 B2
S
Generator
Platform rotate
Platform control manifold
Steer cylinders
Platform level cylinder
Primary boom extension cylinder
Primary boom lift cylinder
Turnable rotate
Right oscillate cylinder
Left oscillate cylinder
Brake/2-speed manifold
Hydraulic rotary coupler
Hydraulic rotary coupler
Function manifold
B
P
M2
M1
T
P
M5
A
LS1
LS2
A
T
M3
M4
Hydraulic rotary coupler
Multiple directional valve, oscillate float
Accumulator
Lift cylinder, jib boom
C
C
A2
B2
A2
B2
A
A
B
B
Rear wheel, right
Front wheel, right
Rear wheel, left
Front wheel, left
Hydraulic rotary coupler
280bar
280bar
T
M
C
FLA
RLA
A
RLB
RRB
RRA
FRA
FLB
FRB
B
T1
MB
MA
A
B
B
A
A
B
B
A
P T
LSP
NV
EC
M1 M2
G
DT217
DT225
A1
B1
A4
T
B4
A1
B1
A4
T
B4