Hydraulic Symbol Chart - Skyjack SJ 3215 Service Manual

Section 3 - System Component Identification and Schematics
LINE CROSSING
LINE JOINED
HYDRAULIC
TANK
HYDRAULIC
FILTER WITH
BYPASS
ELECTRIC
MOTOR
ENGINE
FIXED
DISPLACEMENT
PUMP
VARIABLE THREE POSITION
DISPLACEMENT FOUR WAY
HYDRAULIC MOTOR PROPORTIONAL
SERIES
PARALLEL
HYDRAULIC
MOTOR
TWO POSITION
TWO WAY
NORMALLY
OPEN VALVE
PRESSURE
TRANSDUCER
SERVO
SKYJACK, Page 4

3.2 Hydraulic Symbol Chart

VARIABLE
DISPLACEMENT
PUMP
HAND PUMP
RELIEF VALVE
PRESSURE
REDUCING
VALVE
FIXED ORIFICE
ADJUSTABLE
FLOW CONTROL
CHECK VALVE
OIL COOLER
TWO POSITION
TWO WAY
NORMALLY
CLOSED VALVE
TWO POSITION
THREE WAY VALVE
MAIN LINES Solid
Service and Maintenance
SHUTTLE VALVE
ACCUMULATOR,
GAS CHARGED
CUSHION
CYLINDER
PRESSURE
SWITCH
MOTION
CONTROL VALVE
FLOW DIVIDER
COMBINER
COUNTER
BALANCE VALVE
VALVE COIL
TWO POSITION
THREE WAY VALVE
THREE POSITION
FOUR WAY
CLOSED CENTER
CLOSED PORT
PILOT LINES Dashed
SJIII Compact Series
VELOCITY FUSE
SINGLE ACTING
CYLINDER
DOUBLE ACTING
CYLINDER
DOUBLE ACTING
DOUBLE
RODDED
CYLINDER
SPRING APPLIED
HYDRAULIC
RELEASED
BRAKE
BRAKE
CYLINDER
ROTARY
ACTUATOR
BI DIRECTIONAL
HYDRAULIC
MOTOR
THREE POSITION
FOUR WAY
CLOSED CENTER
OPEN PORT
THREE POSITION
FOUR WAY
PROPORTIONAL
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