Boeing 737-800 - Schematic Symbols

737 Flight Crew Operations Manual
Preface -
Introduction
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
0.2.6 D6-27370-866-EGP
Schematic Symbols
Symbols shown are those which may not be identified on schematic illustrations.
GENERATOR DRIVE
GENERATOR &
GEN
DRIVE
DIODE
ONE WAY GROUND
HEATER
CLACKER
SWITCH
ACTUATED
SOLENOID
SWITCH
POSITION
TWO
SWITCH
POSITION
THREE
BATT
BELLHORN
SPEAKER
AUDIO DEVICES
THE CONDITIONS SHOWN
SIGNAL, INACTIVE UNDERDISTRIBUTION LINE
SWITCH
THERMAL
CONTACT
ELECTRICAL
PUSH-TYPE
FUSE
BREAKERS
CIRCUIT
C
CART
GROUND
TIMER
REGULATOR
VOLTAGE
CHARGER
BATTERYBATTERY
CHGR
BATT
TR UNITINVERTERBUSSES
R
T
INV
AC BUS
DC BUS
GEN
ELECTRICAL
COMPRESSOR
THERMOSTATTURBINEWHEEL
UNIT
POWER TRANSFER
HYDRAULIC PUMP
MOTOR DRIVEN
HYDRAULIC PUMP
ENGINE DRIVEN
M
GENERATOR
APUAPU
HYDRAULIC
APU
C
GEN
A
GENERAL
FLOW
FLUID
INDICATOR
SYSTEMS
SEPARATOR
WATER
LINKAGE
MECHANICAL
METER
FLOWPUMP
FAN
SENSOR
TEMPERATURE
SENSOR
PRESSURECOMPARATOR
FILTER
BYPASSFILTERACCUMULATOR
ACTUATOR
EXCHANGER
DUAL HEAT
EXCHANGER
HEATRESERVOIR
B
DIAPHRAGM
VOLT
REG
TIMER
September 26, 2013