Upright MX19 Service & Parts Manual

Page 5-4
Schematics 5.3 - Hydraulic Schematic
MX15/19
5.3 H
YDRAULIC
S
CHEMATIC
Legend:
Hydraulic Schematic 065615-023
Reference
number
Name Function Location
CV Check Valve
Allows Depression
Mechanism to retract in
drive mode
Hydraulic Manifold
CYL1 Steering Cylinder
Providesforcetoturnfront
wheels
Front of Chassis
above drive motors
CYL2 Lift Cylinder
Provides force to lift
platform
Elevating Assembly
CYL3
Depression
Mechanism
Cylinder (2)
Extends or retracts DM bar
Front of hydraulic
tank
CYL5 Brake Cylinder
Stops machine from
moving while parked
Rear End of Chassis
DVDR
Priority Flow
Divider
Provides priority oil flow to
steering
Hydraulic Manifold
FL1 Suction Strainer
Traps particles in hydraulic
tank
Inside hydraulic tank
at outlet
FL2 Return Filter Filters oil returning to tank Back of hydraulic tank
MOT Drive Motors (2)
Provides tractive effort to
move platform
Front motor mounts
OR Orifice
Controls the oil flow rate of
the lift cylinder
Lift Cylinder
PMP Pump
Provides hydraulicpressure
for all functions
On Electric Motor
between Battery
Modules
RV1 Steering Relief
Provides pressure
protection to pump and
steering components when
steering
Hydraulic Manifold
RV2 Lift Relief Valve Limits load capacity Hydraulic Manifold
RV3 Main Relief Valve
Provides pressure
protection to hydraulic
system
Hydraulic Manifold
TNK Tank Holds hydraulic oil Rear end of Chassis
V1
Steering Right/
Left Valve
Provides directional control
for steering
Hydraulic Manifold
V2A Lift Valve
Provides oil control for
drive or lift functions
Hydraulic Manifold
V2B
Down/
Emergency
Lowering Valve
Allows oil to return to tank;
manually operated for
emergency lowering
Lift Cylinder
V3A
Depression
Mechanism
Extend Valve
Provides oil control for DM
bar
Hydraulic Manifold
V3B
Depression
Mechanism
Retract Valve (2)
Provides oil control for DM
bar
Depression
Mechanism Cylinder
V4
Forward/Reverse
Valve
Provides oil control for
drive or lift functions
Hydraulic Manifold
V5
Counterbalance
Valve (2)
Prevents machine from
running away on slopes;
cushions stops
Hydraulic Manifold
060569-004

Upright MX19 Specifications

General

Brand	Upright
Model	MX19
Category	Lifting Systems
Language	English