Page 5-4
Schematics
- Hydraulic Schematic
SL20
5.3 H
YDRAULIC
S
CHEMATIC
Legend:
Hydraulic Schematic, 101180-020
DESIG-
NATION
NAME
FUNCTION
LOCATION
CV
Check Valve
Allows Depression Mechanism to
retract in drive mode
Hydraulic
Manifold
CYL1
Steering Cylinder
Provides force to turn front wheels
Front of chassis
above drive
motors
CYL2
Lift Cylinder
Provides force to lift platform
Mounted under
upper boom
weldment
CYL3
Depression Mecha-
nism Cylinder
Extends or retracts DM bar
Front of hydraulic
tank
CYL4
Break Cylinder
Stops machine from moving while
parked
Above front tires
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
PMP
Pump
Provides hydraulic pressure for all
functions
On Electric motor
at left rear of
control module
RV1
Main Relief Valve
Provides pressure protection to
pump, limits platform load
capacity.
Hydraulic
Manifold
RV2
Steering Relief
Valve
Provides pressure protection to
pump and steering components
when steering
Hydraulic
Manifold
RV3
Lift Relief Valve
Provides pressure protection to
Lift components
Hydraulic
Manifold
TNK
Tank
Holds hydraulic oil
Control Module
V1
Steering Right/Left
Valve
Provides directional control for
steering
Hydraulic
Manifold
V2
Lift Valve
Provides oil control for drive or lift
functions
Hydraulic
Manifold
V3
Down/Emergency
Lowering Valve
Allows oil to return to tank;
manually operated for emergency
lowering
Lift cylinder
V4
Depression mecha-
nism Retract Valve
Provides oil control for DM bar
DM cylinder
V5
Depression Mecha-
nism Extend Valve
Provides oil control for DM bar
Hydraulic
Manifold
V6
Forward/Reverse
Valve
Provides oil control for drive or lift
functions
Hydraulic
Manifold
V7
Counterbalance
Valve
Prevents machine from running
away on slopes; cushions stops
Hydraulic
Manifold
Содержание SL20 Series
Страница 1: ......
Страница 10: ...Page viii Table of Contents List of Tables SL20 Work Platform NOTES ...
Страница 12: ...Page 1 2 Introduction 1 2 General Description SL20 NOTES ...
Страница 33: ...Page 3 11 Maintenance 3 11 Setting Hydraulic Pressures SL20 NOTES ...
Страница 61: ...Page 5 7 Schematics Hydraulic Schematic SL20 Figure 5 2 Plugs 4 ...
Страница 62: ...Page 5 8 Schematics SL20 NOTES ...
Страница 65: ...Page 6 3 Illustrated Parts Breakdown Final Assembly SL20 Drawing 2 of 3 ...
Страница 66: ...Page 6 4 Illustrated Parts Breakdown Final Assembly SL20 Drawing 3 of 3 ...
Страница 69: ...Page 6 7 Illustrated Parts Breakdown Chassis Assembly SL20 Drawing 1 of 2 ...
Страница 70: ...Page 6 8 Illustrated Parts Breakdown Chassis Assembly SL20 Drawing 2 of 2 ...
Страница 73: ...Page 6 11 Illustrated Parts Breakdown Linkage Assembly SL20 ...
Страница 75: ...Page 6 13 Illustrated Parts Breakdown Control Module Assembly SL20 ...
Страница 79: ...Page 6 17 Illustrated Parts Breakdown Control Valve Assembly SL20 ...
Страница 85: ...Page 6 23 Illustrated Parts Breakdown Platform Control Assembly SL20 Drawing 2 of 2 29 7 33 32 35 36 34 31 30 ...
Страница 91: ...Page 6 29 Illustrated Parts Breakdown Label Kit Installation SL20 ...
Страница 93: ...Page 6 31 Illustrated Parts Breakdown Label Kit German SL20 ...
Страница 95: ...Page 6 33 Illustrated Parts Breakdown Label Kit French SL20 ...
Страница 97: ...Page 6 35 Illustrated Parts Breakdown Label Kit Spanish SL20 ...
Страница 102: ...Page 6 40 Illustrated Parts Breakdown SL20 NOTES ...
Страница 103: ......