DIAGNOSTIC/TROUBLESHOOTING MANUAL 3
Safety Information
This manual provides general and specific
maintenance procedures essential for reliable engine
operation and your safety. Since many variations in
procedures, tools, and service parts are involved,
advice for all possible safety conditions and hazards
cannot be stated.
Read safety instructions before doing any service and
test procedures for the engine or vehicle. See related
application manuals for more information.
Disregard for Safety Instructions, Warnings, Cautio
ns,
and Notes in this manual can lead to injury, death or
damage to the engin e or v ehicle.
Safety Terminology
Three terms are used to stress your safety and saf
e
operation of the engine: Warning, Caution, and
Note
Warning: A warning describes actions necessar
yto
prevent or eliminate conditions, hazards, an
d unsafe
practices that can cause personal injury
or death.
Caution: A caution describes actions nec
essary
to prevent or eliminate conditions that c
an cause
damage to the engin e or v ehicle.
Note: A note describes actions necessar
yforcorrect,
efficient engine operation.
Safety Instru ctions
Work Area
• Keep work area clean, dry, and organiz
ed.
• Keep tools and parts off the floor.
• Make sure the work area is ventilate
d and well lit.
• Make sure a First Aid K it is availabl
e.
Safety Equipment
• Use correct lifting devices.
• Use safety blocks and stands.
Protective Measures
• Wear protective safety glasses an
d shoes.
• Wear correct hearing protection.
• Wear cotton work clothing.
• Wear sleeved heat protec tive glo
ves.
• Do not wear rings, watches or other
jewelry.
• Restrain long hair.
Vehicle
• Make sure the vehicle is in neutral, the parking
brake is set, and the wheels are blocked before
servicing engine.
• Clear the area before starting the engine.
Engine
• The engine should be operated or serviced only
by qualified individuals.
• Provide necessary ventilation when operating
engine in a closed area.
• Keep combustible material away from engine
exhaust system and exhaust ma nifolds.
• Install all shields, guards, and access covers
before operating engine.
• Do not run engine with unprotected air inlets or
exhaust openings. If unavoidable for service
reasons, put protective screens over all openings
before servicing engine.
• Shutengineoffandrelieveallpressureinthe
system before removing panels, housing covers,
and caps.
• If an engine is not safe to operate, tag the engine
and ignition key.
Fire Prevention
• Make sure charged fire extinguishers are in the
work area.
NOTE: Check the class ifi cation of each fire
extinguisher to ensure that the following fire types
canbeextinguished.
1. Type A — Wood, paper, textiles, and rubbish
2. Type B — Flammable liquids
3. Type C — Electrical equipment
Batteries
• Always disconnect the main negative battery
cable first.
• Always connect the main negative battery cable
last.
• Avoid lean ing over batteries.
• Protect your eyes.
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
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