Allow vehicle to
cool before starting.
Disconnect negative battery terminal before starting.
For current protection, use a maximum 20-amp fuse.
Check or replace oil-pressure safety switch,
Support vehicle on stands, not jacks.
Keep a Class B/C fire extinguisher nearby.
Don't smoke when servicing fuel systems.
Ventilate service area; duct exhaust outside.
Avoid open flames from matches, lighters, and torches in or
near the service area.
Use a shielded fluorescent droplight instead of an incandescent
bulb; turn off soldering irons.
Clean up fuel spills right away; dispose of fuel-soaked rags
and absorbent properly.
Relieve fuel pressure before opening the system. Otherwise,
high-pressure fuel spray might cause a fire or other personal
Always replace tank ring seal to prevent leaks.
Never use a finger to check fuel injector pattern or pressure.
High-pressure fuel can penetrate unbroken skin, causing illness.
Never energize fuel injector with fuel line connected except
when following OE service manual for procedures and precautions.
After working on fuel system, always check for leaks.
Important Safety Precautions!
WARNING: High-pressure fuel systems should be serviced by qualified
technicians. Leaking liquid fuel may ignite and fuel vapors
may explode, both resulting in personal injury and/or property
loss. Read vehicle repair manual for safety precautions, then
follow these guidelines to protect yourself and others.
Work Clothing --Wear a long-sleeved shirt, long trousers, and
safety shoes. Don't wear a ring or watch that might draw an
electric spark. If fuel spills on your clothing, change it right
Eye Protection --Wear safety goggles or safety glasses. If fuel
splashes into eyes, flush with water first, then go for emergency
Fuel Hose --Never use standard low-pressure fuel hose in high-pressure
fuel injection systems. Use high-pressure hose marked SAE R-7,