For information on troubleshooting the charging
system, refer to Special Instruction, REHS0354,
“Charging System Troubleshooting”.
Many batteries which are considered unusable are
still rechargeable. After jump starting, the alternator
may not be able to fully recharge batteries that are
severely discharged. The batteries must be charged
to the proper voltage with a battery charger. For
information on testing and charging, refer to the
Special Instruction, SEHS7633, “Battery Test
Procedure”.
NOTICE
Use a battery that is sourced with the same voltage
as the electric starting motor. Use ONLY equal volt-
age for jump starting. The use of higher voltage will
damage the electrical system.
Do not reverse the battery cables. The alternator can
be damaged. Attach the negative battery cable last
and remove the negative battery cable first.
When an external electrical source is used to start
the engine, turn the control switch on the generator
set to the “OFF” position. Turn all electrical accesso-
ries OFF before attaching the jump start cables.
Ensure that the main power switch is in the OFF posi-
tion before jump start cables are attached to the en-
gine that is being started.
1. Turn the start switch on the stalled engine to the
OFF position. Turn off all accessories.
2. Connect one positive end of the jump start cable to
the positive cable terminal of the discharged
battery. Connect the other positive end of the jump
start cable to the positive cable terminal of the
charging or starting source.
3. Connect one negative end of the jump start cable
to the negative cable terminal of the charging or
starting source. Connect the other negative end of
the jump start cable to the stalled engine block or
to the chassis ground. This procedure helps to
prevent potential sparks from igniting combustible
gases that are produced by some batteries.
4. Charge the batteries. The engine will not continue
to run after starting if the batteries have not been
charged.
5. Start the engine.
6. Immediately after the stalled engine is started,
disconnect the jump start cables in reverse order.
Refer to the Electrical Schematic for your engine.
Consult your Caterpillar dealer for more information.
i01646248
After Starting Engine
SMCS Code: 1000
Note: In temperatures from 0 to 60°C (32 to 140°F),
the warm-up time is approximately three minutes. In
temperatures below 0°C (32°F), additional warm-up
time may be required.
Note: Ensure that the self test for the monitoring
system (if equipped) is completed before operating
the engine under load.
When the engine idles during warm-up, observe the
following conditions:
• Check for any fluid or for any air leaks at idle rpm
and at one-half full rpm (no load on the engine)
before operating the engine under load. This is not
possible in some applications.
• Operate the engine at low idle until all systems
achieve operating temperatures. Check all gauges
during the warm-up period.
Note: Gauge readings should be observed and the
data should be recorded frequently while the engine
is operating. Comparing the data over time will help
to determine normal readings for each gauge.
Comparing data over time will also help detect
abnormal operating developments. Significant
changes in the readings should be investigated.
SEBU7125-13
87
Operation Section
After Starting Engine
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