Preface -Introduction 737 Operations Manual
Page Numbering
The FCOM uses a decimal page numbering system. The page number is divided into three fields; chapter, section, and page. An example of a page number for the hydraulics chapter follows: chapter 13, section 20, page 3.
Example Page Number
Page Identification
Each page is identified by a customer document number and a page date. The customer document number is composed of the general 737 FCOM number, D6–27370–, and is followed by the customer identification. The page date is the date of publication of the manual or the most recent revision date.
Example Page Identification
Warnings, Cautions, and Notes
The following levels of written advisories are used throughout the manual.
WARNING: An operating procedure, technique, etc., that may result in personal injury or loss of life if not carefully followed.
CAUTION: An operating procedure, technique, etc., that may result in damage to equipment if not carefully followed.
Note: An operating procedure, technique, etc., considered essential to emphasize. Information contained in notes may also be safety related.
Copyright . The Boeing Company. See title page for details.
June 4, 2004
0.2.3
Preface -Introduction 737 Operations Manual
Flight Crew Operations Manual Configuration
Customer airplane configuration determines the data provided in this manual. The Boeing Company keeps a list of each airplane configuration as it is built and modified through the service bulletin process. The FCOM does not reflect customer originated modifications without special contract provisions.
Copyright . The Boeing Company. See title page for details.
0.2.4 June 4, 2004
Preface -Introduction
737 Operations Manual
Schematic Symbols
Symbols shown are those which may not be identified on schematic illustrations.
RESERVOIR
HYDRAULIC
ACTUATOR
C
COMPARATOR
PUMP
WATER
SEPARATOR
MECHANICAL
LINKAGE
ENGINE DRIVEN
HYDRAULIC PUMP
GENERAL
HEAT DUAL HEAT EXCHANGER EXCHANGER
B
ACCUMULATOR FILTER BYPASS FILTER
PRESSURE TEMPERATURE FAN SENSOR SENSOR
COMPRESSOR
APU
A
SYSTEMS
INDICATOR
M
MOTOR DRIVEN
HYDRAULIC PUMP
FLOW
METER
GEN
APU
APU
GENERATOR
FLUID
FLOW
POWER TRANSFER
UNIT
WHEEL TURBINE THERMOSTAT DIAPHRAGM
ELECTRICAL
DC BUS
GEN TGEN INV DRIVE R
AC BUS
GENERATOR & BUSSES INVERTER TR UNIT GENERATOR DRIVE
BATT VOLT TIMER BATT REG CHGR
BATTERY BATTERY VOLTAGE TIMER CHARGER REGULATOR
GROUND THREE TWO SOLENOID CART POSITION POSITION ACTUATED SWITCH SWITCH SWITCH
ONE WAY GROUND PUSH-TYPE THERMAL
DIODE ELECTRICAL SWITCH
CONTACT
C
CIRCUIT FUSE HEATER
BREAKERS
DISTRIBUTION LINE SIGNAL, INACTIVE UNDER THE CONDITIONS SHOWN
AUDIO DEVICES
SPEAKER CLACKER
HORN BELL
Copyright . The Boeing Company. See title page for details.
December 1, 2000
0.2.5
Preface -Introduction 737 Operations Manual
VALVES
LIQUID LIQUID LIQUID LIQUID SHUT-OFF2-WAY3-WAY4-WAY
PNEUMATIC PNEUMATIC PNEUMATIC SHUT-OFF MODULATING FLOW LIMITING
(PNEUMATIC) (FUEL) CHECK MANUALLY CONTROLLED VALVES
SHUTTLE REMOTELY RELIEF REGULATED
CONTROLLED RELIEF &
RELIEF BYPASS
Copyright . The Boeing Company. See title page for details.
0.2.6 December 1, 2000
737 Operations Manual
General
The following abbreviations may be found throughout the manual. Some abbreviations may also appear in lowercase letters. Abbreviations having very limited use are explained in the chapter where they are used.
A
AC Alternating Current
ACARS Aircraft Communications Addressing and Reporting System
ACP Audio Control Panel
ACT Active
ADF Automatic Direction Finder
ADM Air Data Module
AED Automatic External Defibrillator
AFDS Autopilot Flight Director System
AFM Airplane Flight Manual (FAA approved)
AGL Above Ground Level
AI Anti–Ice
AIL Aileron
ALT Altitude
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