5-3 LX31/41 Electric Work Platform
S
C H E M A T I C S
Section
5.2
5.2 E
LECTRICAL
S
CHEMATIC
, E
LECTRIC
Table 5-2: Electrical Schematic, 067447-003
REFERENCE
DESIGNATION
NAME
FUNCTION
LOCATION
ALM1
Alarm, Tilt
Warning sound when machine is
off-level
Lower Control Box
ALM2
Alarm, Down
Warning sound when deck is
lowering
Lower Control Box
BAT1
Battery
Electrical Power
Control Module
C1
Main Power
Contactor
Switch Power to All Solenoids
and Motors
Relay Panel
C2
Forward
Contactor
Switch Drive Motors to Forward
Relay Panel
C3
Reverse Contactor Switch Drive Motors to Reverse
Relay Panel
C4
Pump Override
Contactor
Overide Pump Motors
Relay Panel
C5
Pump/Traction
Contactor
Switch Power
Between
Drive
Motors and Pump Motors
Relay Panel
CB1
Circuit Breaker
Protect Emergency Stop Switch
S4
Lower Control Box
CB2
Circuit Breaker
Protect Power Relay R9
Lower Control Box
CH1
Battery Charger
Charge Batteries
Control Module
CONT
Controller
Control Logic Module
Relay Panel
D1
Diode
Spike Protection
Between T10 & T13
D2
Diode
Spike Protection
Between T20 & T17
D3
Diode
Spike Protection
Between T14 & T17
D4
Diode
Power to Down Relay
Control Module
D5 & D6
Diode
Power to Power Relay
Control Module
D7 - D10
Diode
Power to Pump Start Relay
Control Module
D11
Diode
Power to Brake Release Relay
Control Module
D12
Diode
Power to Hour Meter
Control Module
D15
Diode
Power to Down Alarm
Control Module
F1 & F2
Fuse, Main
Protect Circuit Wiring
Relay Panel
L1
Drive Enable Light Indicate Power to Drive Circuit
Upper Controls
M1
Hour Meter
Record Operating Time
Lower Control Box
MOT1 & 2
Electric Motor,
Power Unit
Drive Hydraulic Pump
Power Module
MOT3
Electric Motor
Drive Left Rear Wheel
Chassis
MOT4
Electric Motor
Drive Right Rear Wheel
Chassis
R1
Drive/Lift Relay
Start Hydraulic Pumps
Lower Control Box
R2
8 Meter Cutout
Relay
Drive Cutout
Lower Control Box
R3
Tilt Alarm Relay
Switch Power to ALM1
Lower Control Box
R4
Up Relay
Switch Power to SOL1 & 2
Lower Control Box
R5
Down Relay
Switch Power to SOL3
Lower Control Box
R6
Down Alarm Relay
Switch Power to ALM2
Lower Control Box
R7
Steer Right Relay
Switch Power to SOL5
Lower Control Box
R8
Steer Left Relay
Switch Power to SOL6
Lower Control Box
R9
Pump Start Relay
Provide Power to S1
Lower Control Box
R10
Brake Relay
Switch Power to SOL8
Lower Control Box
R11
Brake Release
Relay
Switch Power to SOL11
Lower Control Box
R12
Power Relay
Switch Power to All Relays
Lower Control Box
R15
Brake Release
Relay
Provide Power to Brake Relay
R10
Relay Panel
R16
Platform Power
Relay
Power to Upper Controls
Upper Controls
R17
Prevent Pump
Start Relay
Power to Pump Start Switch
Upper Controls
RES1
Resistor Pack
Current Protection
Relay Panel
RES2
Resistor, Drive
Enable Light
Limit Current to Drive Enable
Light
Upper Controls
S1
Joystick Interlock
Switch
Enable Upper Control Functions
Front of Joystick
S2
Interlock Switch
Enable Drive
Upper Controls
S3
Interlock Switch
Enable lift
Upper Controls
S4
Lower Emergency
Stop Switch
Stop All Functions
Lower Controls
S5
Lift Switch
Provide Power to Up Relay &
Down Relay
Lower Controls
S6
Brake release
Switch
Provide Power to Brake release
Relay
Lower Controls
S7
Drive Switch
Activate Drive
Upper Controls
S8
Lift Switch
Activate Lift
Upper Controls
S9
High/Low Switch
Speed Control
Upper Controls
S10 - S13
Platform Down
Switch
Close when Platform is Fully
Down
Bottom of Elevating
Assembly
S14
8 Meter Cutout
Switch
Stop Drive Function when
Platform Reaches 8 Meters
Chassis
S15
Up Limit Switch
Stop Lift Function
Chassis
S16
Pump Start
Switch
Provide Power to Pump Start
Relay
Brake Valve Manifold
S17
Chassis/Platform
Switch
Power to Either Upper or Lower
Controls
Lower Control Box
S18
Upper Emergency
Stop Switch
Stop All Functions
Upper Controls
S19
Steering Rocker
Switch
Power to Steering Relays
Top of Joystick
S20
Proportional
Speed Control
Control Speed of Motors for
Drive and Lift
Joystick
S21
Ignition Switch
(keyswitch)
Power to Upper Controls &
Motors
Upper Controls
SEN1
Level Sensor
Stop Drive Function
Control Module
SOL 1 & 2
Up Solenoid
Control Lift Valve
Manifold
SOL3
Down Solenoid
Control Down Valve
Manifold
SOL5
Steer Right
Solenoid
Control Steer Right Valve
Top of Manifold
SOL6
Steer Left
Solenoid
Control Steer Left Valve
Top of Manifold
SOL8
Brake Solenoid
Control Brake Valve (powers on)
Manifold
SOL11
Brake Release
Solenoid
Control Brake Valve (powers off)
Manifold
TG1 & TG2
Tachometer -
Generator
Monitor Drive Motor Speed
Control Module
REFERENCE
DESIGNATION
NAME
FUNCTION
LOCATION
Summary of Contents for LX31
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Page 6: ...ii LX31 41 Electric Work Platform FORWARD NOTES ...
Page 24: ...2 12 LX13 41 Electric Work Platform MACHINE PREPARATION OPERATION Section 2 10 NOTES ...
Page 49: ...LX31 41 Electric Work Platform 3 25 MAINTENANCE Section 3 19 NOTES ...
Page 66: ...4 16 LX31 41 Electric Work Platform TROUBLESHOOTING Section 4 9 ...
Page 74: ...5 8 LX31 41 Electric Work Platform SCHEMATICS Section 5 4 ...
Page 115: ...LX31 41 Electric Work Platform 6 41 ILLUSTRATED PARTS BREAKDOWN Section 6 1 ...
Page 117: ...LX31 41 Electric Work Platform 6 43 ILLUSTRATED PARTS BREAKDOWN Section 6 1 ...
Page 118: ...6 44 LX31 41 Electric Work Platform ILLUSTRATED PARTS BREAKDOWN Section 6 1 NOTES ...
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