20
(06/06/2012) 20-02-M184EN
3TRANSMISSION SCHEMATIC DIAGRAMS
§ 70
§ 70
CR
AB
T
P
1
2
S.
MC
PF
VSLR
VCLR
FDAR
FDAV
X
2
B
X
1
T
A
Fe
Fa
ab
RT
1
T
2
G
S
MA
X
1
A
B
MB
X
2
Ps
440bar
35bar
450bar
M.I.
R.
RAD.
3 bar
450bar
M.
P.I.
EV(S27)
EV(S28)
EV
(S22)
EV
(S21)
REXROTH HYDROSTATIC TRANSMISSION LAYOUT FORWARD MOVEMENT
Legend:
High pressure
Low pressure
Control air
Drainage pressure
Loading pressure
Suction pressure
Return to discharge
Hydraulic manifoldCR
Forward movement solenoid valveEV(S21)
Reversing solenoid valveEV(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
FORWARD MOVEMENT
FRONT
AXLE
REAR
AXLE
I.C. engine
M.