Equus 3660 - Hand Vacuum Pump & Brake Bleeding Kit - Manual (Page 4)

2 3660
f. To prevent damage to the on-board computer when taking vehicle
electrical measurements, always use a digital multimeter with at
least 10 Megohms of impedance.
g. The vehicle's battery produces highly flammable hydrogen gas. To
prevent an explosion, keep all sparks, high temperature items and
open flames away from the battery.
h. Don't wear loose clothing or jewelry when working on an engine.
Loose clothing can get caught on the fan, pulleys, belts, etc.
Jewelry is highly conductive to electricity, and can cause a severe
burn if it makes contact between a power source and ground.
III. VEHICLE SERVICE MANUALS
It is recommended that you consult the manufacturer’s service manual
for your vehicle before any test or repair procedures are performed.
Contact your local car dealership or auto parts store for availability of
these manuals. The following companies publish valuable repair
manuals.
Haynes Publications, 861 Lawrence Drive, Newbury Park, CA
91320, Phone: CA (800) 442-9637, TN (800) 242-4637
Motor Publications, 5600 Crooks Road, Suite 200, Troy, Michigan
48098, Phone (800) 426-6867
Mitchell International, 14145 Danielson Street, Poway, CA 92064,
Phone (888) 724-6742
FACTORY SOURCE (Ford, GM, Chrysler, Honda, Isuzu, Hyundai
and Subaru Service Manuals
Helm Inc., 14310 Hamilton Avenue, Highland Park, Michigan 48203,
Phone (800) 782-4356
IV. UNDERSTANDING VACUUM SYSTEMS
In order to properly test and diagnose faults in automotive vacuum
systems, it is important to understand what vacuum is, how it is
measured, and how engines create, distribute and use vacuum.
A. WHAT IS VACUUM?
The earth’s atmosphere (the air that we breathe) is not really empty
space, but is filled with air molecules. Vacuum is the partial or
complete absence of atmosphere (an empty space where no molecules of
any sort exist). Interstellar space is an almost a perfect vacuum.