Legend: Hydraulic Schematic, X20N--065615-023 - Upright X Series Service & Parts Manual

Schematics - 5.3 - Hydraulics
5.3 H
YDRAULICS

Legend: Hydraulic Schematic, X20N--065615-023

Reference
Name Function
number
Allows Depression
CV Check Valve
Mechanism to retract in drive
mode
Provides force to turn front
CYL1 Steering Cylinder
wheels
Provides force to lift platform Elevating Assembly
CYL2 Lift Cylinder
CYL3 Depression Mecha-
Extends or retracts DM bar
nism Cylinder (2)
Stops machine from moving
CYL5 Brake Cylinder
while parked
Priority Flow Divider Provides priority oil flow to
DVR
steering
Traps particles in hydraulic
FL1 Suction Strainer
tank
Filters oil returning to tank
FL2 Return Filter
Provides tractive effort to
MOT Drive Motors (2)
move platform
OR Orifice Controls oil flow to and from
the lift cylinder
PMP Pump
Provides hydraulic pressure
for all functions
RV1 Steering Relief Provides pressure protection
to pump and steering
components when steering
RV2 Lift Relief Controls platform lifting
capacity
Provides pressure protection
RV3 Main Relief Valve
to the hydraulic system
Holds hydraulic oil
TNK Tank
V1 Steering Right/Left
Provides directional control
for steering
Valve
V2A Lift Valve Provides oil control for drive
or lift functions
V2B Down/Emergency Allows oil to return to tank;
manually operated for
Lowering Valve
emergency lowering
V3A Depression Mecha-
Provides oil control for DM
bar
nism Extend Valve
V3B Depression Mecha-
Provides oil control for DM
nism Retract Valve
bar
(2)
V4 Forward/Reverse
Provides oil control for drive
or lift functions
Valve
Prevents machine from
V6 Counterbalance
running away on slopes;
Valve (2)
cushions stops
Page 5-6
Location
Hydraulic Manifold
Front of chassis above
drive motors
Front of hydraulic tank
Rear End of Chassis
Hydraulic Manifold
Inside hydraulic tank at
outlet
Back of hydraulic tank
Front motor mounts
Lift cylinder
On Electric Motor
Between Battery
Modules
Hydraulic Manifold
Hydraulic Manifold
Hydraulic Manifold
Rear End of Chassis
Hydraulic Manifold
Hydraulic Manifold
Lift Cylinder
Hydraulic Manifold
Depression
Mechanism Cylinder
Hydraulic Manifold
Hydraulic Manifold
060571-005
X Series Work Platform