Upright MX19 - 3-6 LED Fault Codes

Page 5-6
Schematics 5.3 - Hydraulic Schematic
MX15/19
Figure 5-3:
Valve Diagram
Counterbalance
Counterbalance
V
V
alv
alv
e--
e
--
V5
V5
Counterbalance
Counterbalance
V
V
alv
alv
e --V5
e
--V5
Dr
Dr
iv
iv
e Solenoid and
e
Solenoid and
V
V
alv
alv
e
e
SOL4A, SOL4B
SOL4A,
SOL4B
,
,
V4
V4
Depression Mechanism Solenoid and
Depression
Mechanism
Solenoid
and
V
V
alv
alv
e
e
SOL3A,
SOL3A,
V3A
V3A
Main Relief
Main
Relief
V
V
alv
alv
e--R
e
--
R
V3
V3
Chec
Chec
k
k
V
V
alv
alv
e--CV
e
--
CV
Lift Solenoid and
Lift
Solenoid
and
V
V
alv
alv
e
e
Sol2A,
Sol2A,
V2
V2
Steer
Steer
ing Solenoid and
ing
Solenoid
and
V
V
alv
alv
e
e
Sol1A, Sol1B
Sol1A,
Sol1B
,
,
V1
V1
High Pressure
High
Pressure
T
T
est P
est
P
or
or
t
t
Lift Relief
Lift
Relief
V
V
alv
alv
e --R
e --R
V2
V2
Retur
Retur
nP
n
P
or
or
t
t
Flo
Flo
w Divider
w
Divider
V
V
alv
alv
e--D
e
--
D
VDR
VDR
Steer
Steer
ing Relief
ing
Relief
V
V
alv
alv
e--R
e
--
R
V1
V1
Pressure P
Pressure
P
or
or
t
t
Front
Bottom
Top
Left
Right
Rear
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