International Control And Display Symbols; International Vehicle Control And Display Symbols; Thread Identification; Grade/Class Identification - Jeep Wrangler 1997 Manual

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4
INTRODUCTION
GENERAL INFORMATION (Continued)
INTERNATIONAL CONTROL AND DISPLAY- SYMBOLS
INTERNATIONAL VEHICLE CONTROL AND DISPLAY
SYMBOLS
The graphic symbols illustrated in the following
chart are used to identify various instrument con-
trols. The symbols correspond to the controls and dis-
plays that are located on the instrument panel .
FASTENER IDENTIFICATION
THREAD IDENTIFICATION
SAE and metric bolt/nut threads are not the same.
The difference is described in the Thread Notation
chart (Fig . 4).
GRADE/CLASS IDENTIFICATION
The SAE bolt strength grades range from grade 2
to grade 8 . The higher the grade number, the greater
the bolt strength . Identification is determined by the
line marks on the top of each bolt head. The actual
bolt strength grade corresponds to the number of line
TJ
Fig, 4 Thread Notation-SAE and Metric
PR606B
marks plus 2. The most commonly used metric bolt
strength classes are 9.8 and 12.9.
The metric
strength class identification number is imprinted on
the head of the bolt . The higher the class number,
the greater the bolt strength . Some metric nuts are
imprinted with a single-digit strength class on the
nut face. Refer to the Fastener Identification and
Fastener Strength Charts .
=
D
1
_Q_
i
HEADLIGHTS,
PARKING LIGHTS,
WINDSHIELD
HIGH BEAM
FOG LIGHTS
PANEL LIGHTS
TURN SIGNAL
HAZARD WARNING
WASHER
13
P
WINDSCREEN
WINDSHIELD
WINDSHIELD WIPER
DEMISTING
REAR WINDOW
REAR WINDOW
WIPER
AND WASHER
AND DEFROSTING
VENTILATING FAN
DEFOGGER
WIPER
.w.
L O
W
REAR WINDOW
ENGINE COOLANT
BATTERY CHARGING
WASHER
FUEL
TEMPERATURE
CONDITION
ENGINE OIL
SEAT BELT
REAR HOOD
BRAKE FAILURE
PARKING BRAKE
FRONT HOOD
(TRUNK)
HORN
LIGHTER
J951N-23
INCH
METRIC
5/16-18
M8 X 1.25
THREAD
NUMBER
THREAD
DISTANCE
MAJOR
OF
MAJOR
BETWEEN
DIAMETER
THREADS
DIAMETER IN
THREADS IN
IN INCHES
PER INCH
MILLIMETERS
MILLIMETERS

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