Matco Tools MBT1015 User Manual page 35

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MBT1015 rev-C
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With the captured readings, analysis can done by referring to the limits as
indicated that MAX voltage should exceed 13.5V (max. voltage at 2,000
RPM) and MIN voltage should be more than 12.5V (min voltage during
idling speed).
After that press
57.)
Fig.57
8. If either minimum or maximum charging volts are not within the voltage range
limits then it will display one of the screen as below (Fig.58 & 59) and it will
prompt you to check the alternator system for the fault.
Results: Low charge
At 2,000 rpm,
Loading Test:
>13.5V: Max. 13.3V
Fig.58
Check for loose belt
and the alternator.
[Enter] to proceed
11. Just press
key again and the results will be shown as below (Fig
Results: Good
At 2,000 rpm,
Loading Test:
Average Charging
Volts: 13.3V
[Enter] to proceed
key if you need to printout the results.
User's Manual Versio18.08
Results: Low charge
At 2,000 rpm,
Loading Test:
>12.5V: Min. 12.4V
Check for loose belt
and the alternator.
[Enter] to proceed
Fig. 59