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4 — MAINTENANCE
4-21
TRIGGER
SWITCH
SPEED
CONTROL
UPPER
CYL UP
UPPER
CYL UP
UPPER
CYL UP
UPPER
CYL
DOWN
UPPER
CYL DOWN
UPPER
CYL
DOWN
LOWER
CYL UP
LOWER
CYL UP
LOWER
CYL UP
LOWER
CYL
DOWN
LOWER
CYL
DOWN
LOWER
CYL DOWN
ROTATE
CW
ROTATE
CW
ROTATE
CW
ROTATE
CCW
ROTATE
CCW
UPPER
CONTROLS
LOWER
CONTROLS
E-STOP
E-STOP
ROTATE
CCW
PRIMARY BUCKET SWITCH
SECONDARY BUCKET SWITCH
E-DOWN
(PBS) INPUT
(SBS) INPUT
OUTRIGGER
OUTRIGGER
OUTRIGGER
OUTRIGGER
OUTRIGGER
OUTRIGGER
OUTRIGGER
OUTRIGGER
LAMP
OUTRIGGER
INPUT
LEVEL
SENSOR
INPUT
LEVEL
SENSOR
WARNING
(SBS)
(SBS)
(SBS)
(PBS)
(PBS)
LEVEL
SENSOR
LEVEL
SENSOR
LEVEL
SENSOR
LEVEL
SENSOR
LEVEL
SENSOR
LEVEL
SENSOR
AXLE
SWITCHES
OUTRIGGER
SWITCHES
LEVEL
SENSOR
LEVEL
SENSOR
MOTOR START
SOLENOID
PROP.
VALVE
E-DOWN
LOWER
CONTROL BOX
UPPER
CONTROL BOX
20 AMP
FUSE
M
+
KEY
SWITCH
MASTER
POWER
SWITCH
MOTOR
START
SOLENOID
24V
Figure 4-14. PC Logic Diagram, DC Model