PART 8: MAINTENANCE AND SERVICE
PB1319 (CAT. NO. 5296 ) —146— 22-01691 (R02/02)
• Do not charge a frozen battery; allow it to thaw out first. And
always allow the battery to thaw gradually—do not apply direct
heat. Gas trapped in the ice may cause an explosion.
• Never attempt to place the vehicle in motion, or run the engine with
batteries disconnected.
• When fast charging, remove the battery caps so pressure doesn’t
accumulate.
• Never use a fast charger as a booster to start the engine. This can
seriously damage sensitive electronic components such as relays,
radio, etc., as well as the battery charger. Fast charging a battery
is dangerous and should only be attempted by a competent
mechanic with the proper equipment.
Slow Battery Charging
1. Make sure the electrolyte level in each cell is between the “MIN”
and “MAX” marks. If the fluid level is below the “MIN” mark, correct
the condition.
2. Disconnect the battery cables.
3. Connect charger cables.
4. Start charging the battery at a rate not over 6 amperes. Normally,
a battery should be charged at no more than 10 percent of its
rated capacity.
5. After charging, turn OFF charger and disconnect charger cables.
Jump Starting Batteries
If your battery is discharged (dead), you may be able to start it by
using energy from a good battery in another vehicle. This is termed
“jump starting.” Because of the various battery installations in optional
electrical systems, Peterbilt does not recommend that you attempt to
jump start your vehicle. If you have a battery problem, contact a
Peterbilt Dealer or a reputable towing service. But if you are unable to
do this, and must jump-start your vehicle, then ensure that you follow
these precautions and instructions:
NOTE: Follow the instructions that come with your battery
charger. It is not necessary to remove the battery from the
compartment.
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