
94 SEBU8213-04
Maintenance Section
Brakes, Indicators and Gauges - Test
i02801609
Brakes, Indicators and Ga ug es
-Test
SMCS Code: 4100-081; 7000-081; 7450-081
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Illustra
tion 117
Check the operation of the Caterpillar Monitoring
System.
Observe the self test w hen you start the
engine.
The syst
em performs an automatic self test when
you turn the engine start switch to the ON position.
The sel
f test verifies that the monitoring panel and
the display modules are operating properly.
The int
ernal circuits, the indicators, and the gauges
are automatically checked.
g01213323
Illustration 118
The operator must observe whether gauges (1),
indicators (2), and displays (3) are operating properly.
The self test lasts for approximately three seconds.
During the self test, all alert indicators flash.
The digital display shows the following readouts:
•
All indicators of units (Deg C, kPa, rpm, and liters)
•
“X10” readout
•
Symbol for the hour meter
•
“8.8.8.X.8.8” readout
The pointers
in the gauges point upward. Then, the
pointers point to the left. Then, the pointers point
to the right. Then, the pointers point to the final
positions.
•
The action light stays illuminated.
•
The action alarm sounds once for one second.
The monito
ring panel is then in the normal operating
mode.
If the abov
e tests are not correctly completed, the
system will not function in the normal operating
mode. Consult your Caterpillar dealer for an electrical
system ch
eck. Any repairs must be made before you
start the engine.
Turn on al
l of the machine lights. Check for proper
operation. Sound the forward horn.
Move the
machineforwardandtesttheservice
brakes.
Braking System (Test)
If the machine moves during the test, reduce the
engin
e speed immediately, and engage the park-
ing brake.
If th
e machine moved while testing the brakes,
consult your Caterpillar dealer for brake inspec-
tion and repair. Damaged brakes must be repaired
befo
re returning the machine to operation.
Make sure that the area around th e machine is clear
of p
ersonnel and clear of obstacles.
Test the brakes on a dry, level surface.
Fasten the seat belt before you test the brakes.