WARNING
Do the next step exactly as instructed and do not
allow the clamps of one cable to touch the
clamps of the other cable. Otherwise, a spark
could occur near a battery, possibly resulting in
severe personal injury from explosion or acid
burns.
3.
Connect one end of the second jumper cable to
the negative terminal of the booster battery, and
connect the other end of the cable to a ground at
least 12 inches (300 mm) away from the batter-
ies of the vehicle needing the start. The vehicle
frame is usually a good ground. Do
not
connect
the cable to or near the discharged batteries.
4.
Start the engine of the vehicle with the booster
batteries, and let the engine run a few minutes to
charge the batteries of the other vehicle.
5.
Attempt to start the engine of the vehicle with the
batteries receiving the charge. Do not operate
the starter longer than 30 seconds, and wait at
least two minutes between starting attempts to
allow the starter to cool.
6.
When the engine starts, let it idle a few minutes.
WARNING
Do the next step exactly as instructed and do not
allow the clamps of one cable to touch the
clamps of the other cable. Otherwise, a spark
could occur near a battery, possibly resulting in
severe personal injury from explosion or acid
burns.
7.
Disconnect the grounded cable from the frame or
other non-battery location, then disconnect the
other end of the cable.
8.
Disconnect the remaining cable from the newly
charged battery (or jump-start post, if equipped)
first, then disconnect the other end.
Fire in the Cab
The incidence of fire in heavy- and medium-duty
trucks is rare, according to data from the National
Highway Traffic Safety Administration. Federal Motor
Vehicle Safety Standard #302 limits the flammability
of specified materials used inside the cab, but de-
spite this, most materials will burn. The cab of this
vehicle contains urethane foam, which is flammable.
WARNING
Urethane foam is flammable! Do not allow any
flames, sparks, or other heat sources such as
cigarettes or light bulbs to contact urethane
foam. Urethane foam in contact with such heat
sources could cause a serious, rapid fire, which
could result in death, severe burns, or gas poi-
soning, as well as damage to the vehicle.
In Case of a Cab Fire
As quickly as possible, bring the vehicle to a safe
stop, apply the parking brake, turn off the ignition,
and get out of the vehicle.
+
+
+
+
+
+
−
−
−
−
−
−
f540027b
10/18/94
1
A
B
C
D
E
F
G
2
A
E
A. To Ground
B. Connect 3rd
C. To Frame (ground)
D. Connect Last
E. To Starter
F. Connect 2nd
G. Connect 1st
1. Booster Battery 2. Discharged Battery
Fig. 13.3, Jumper Connections
In an Emergency
13.4
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