DEUTZ-FAHR AGROTRON 106 MK3, Workshop Manual

Page: 67 / 150

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3.1 FRONT SUSPENSION CONTROL VALVE
FUNCTION
In addition to the primary function of enabling front axle suspension by charging the hydraulic-pneumatic accumulators
that constitute the elastic elements of the system, the front suspension control valve also serves to control the raising and
lowering of the front axle.
T
DBV2
RV3
SV1
LS-V
SV2
BL2
BL3
BL1
AV2
RV2
AV1
DBV1
LS
A
B
RV1
ASP
ASP
ZSP1
A
B
LS
P
T
D0004750
H
ZSP1
SV1
LS
SV2
S
ASP1
ASP2
LS-V
BL3
DBV1 DBV2
AV
BL2
RV3
RV2
RV1
BL1
A
P T
250 +10 bar
AV2
250 +10 bar
5
6
4
1
2
3
4
5
DIAGRAM
HYDRAULIC FRONT AXLE SUSPENSION FRONT SUSPENSION CONTROL VALVE
1. Cylinder retraction control solenoid valve
2. LS signal control solenoid valve
3. Cylinder extension control solenoid valve
4. Accumulator (setting: 65 bar)
5. Pressure discharge valve
6. Accumulator (setting: 140 bar)
7. Use A relief valve (setting: 250 bar)
8. Use B relief valve (setting: 250 bar)