20
(06/06/2012)20-02-M184EN
4 TRANSMISSION SCHEMATIC DIAGRAMS
REXROTH HYDROSTATIC TRANSMISSION LAYOUT REVERSING MOVEMENT
§ 70
§ 70
CR
AB
T
P
1
2
S.
MC
PF
VSLR
VCLR
FDAR
FDAV
X
2
B
X
1
T
A
Fe
Fa
a
b
R
T
1
T
2
G
S
MA
X
1
A
B
MB
X
2
Ps
440bar
35bar450bar
M.I.
R.
RAD.
3 bar
450bar
M.
P.I.
EV(S27)
EV(S28)
EV
(S22)
EV
(S21)
REVERSING MOVEMENT
FRONT
AXLE
Legend:
High pressure
Low pressure
Control air
Drainage pressure
Loading pressure
Suction pressure
Return to discharge
Hydraulic manifold
CR
Forward movement solenoid valve
EV(S21)
Reversing solenoid valve
EV(S22)
Fast speed solenoid valve
Slow speed solenoid valve
Rear disk brakes
Front disk brakes
Brake pump
Engine with variable displacement
Brake pedal
Hydrostatic pump
EV(S27)
EV(S28)
FDAR
FDAV
MC
M.I.
PF
P.I.
See «70 - hydraulics» Chapter
Oil tank
Radiator
Oil tank
Slow-fast control cylinder
Slow-fast selector valve
R.
RAD.
S.
VCLR
VSLR
I.C. engine
M.
REAR
AXLE