Service manual

SKYJACK, Page 4 SJIII Compact Series
143909
Service and MaintenanceSection 3 - System Component Identification and Schematics
3.2 Hydraulic Symbol Chart
LINE CROSSING
VARIABLE
DISPLACEMENT
PUMP
SHUTTLE VALVE VELOCITY FUSE
HAND PUMPLINE JOINED
ACCUMULATOR,
GAS CHARGED
SINGLE ACTING
CYLINDER
RELIEF VALVE
HYDRAULIC
TANK
CUSHION
CYLINDER
DOUBLE ACTING
CYLINDER
PRESSURE
REDUCING
VALVE
HYDRAULIC
FILTER WITH
BYPASS
PRESSURE
SWITCH
DOUBLE ACTING
DOUBLE
RODDED
FIXED ORIFICE
ELECTRIC
MOTOR
MOTION
CONTROL VALVE
SPRING APPLIED
HYDRAULIC
RELEASED
BRAKE
ADJUSTABLE
FLOW CONTROL
ENGINE
FLOW DIVIDER
COMBINER
BRAKE
CYLINDER
CYLINDER
CHECK VALVE
FIXED
DISPLACEMENT
PUMP
COUNTER
BALANCE VALVE
ROTARY
ACTUATOR
OIL COOLER
THREE POSITION
FOUR WAY
PROPORTIONAL
VALVE COIL
BI DIRECTIONAL
HYDRAULIC
MOTOR
TWO POSITION
TWO WAY
NORMALLY
CLOSED VALVE
SERIES
PARALLEL
HYDRAULIC
MOTOR
TWO POSITION
THREE WAY VALVE
THREE POSITION
FOUR WAY
CLOSED CENTER
OPEN PORT
TWO POSITION
THREE WAY VALVE
TWO POSITION
TWO WAY
NORMALLY
OPEN VALVE
THREE POSITION
FOUR WAY
CLOSED CENTER
CLOSED PORT
THREE POSITION
FOUR WAY
PROPORTIONAL
PRESSURE
TRANSDUCER
MAIN LINES Solid
PILOT LINES Dashed
SERVO
VARIABLE
DISPLACEMENT
HYDRAULIC MOTOR