Midtronics VAS 6161, Инструкция по эксплуатации, Страница: 26 / 41

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IMPORTANT: Turn on the high-beam headlights, the blower to high and the rear defogger. Don’t
use cyclical loads such as air conditioning or windshield wipers.
8. TESTING ALTERNATOR AT IDLE, LOADS ON: The analyzer will determine if the charging system is
able to provide sufficient current for the demands of the vehicle’s electrical system.
9. REV ENGINE WITH LOADS ON FOR 5 SECONDS: The Tester will test the charging system with the
loads on and prompt you to rev the engine. Gradually increase the rev until the analyzer tells
you to HOLD the rev level as the bar on the display crosses the rpm target line.
10. ACQUIRING DATA....HOLD ENGINE RPM: Continue to hold the rpm while the Tester takes system
measurements.
11. ENGINE REV DETECTED, IDLE ENGINE: The Tester has detected the rev. Press the NEXT soft key
to continue.
12. ANALYZING CHARGING SYSTEM DATA: The Tester is completing its final analysis of the charging
system data.
13. TURN OFF LOADS AND ENGINE: Press the NEXT soft key to display the results.
Alternator Test Results
Figure 16:
NO PROBLEMS
Alternator Result
Chapter 6: System Test
Alternator decision
Loads-off DC voltage at rev
Loads-on DC voltage at rev
Normal DC voltage range
Bar graph showing DC voltage
within normal range with loads
on and off
Graph of diode waveform
Peak-to-peak AC voltage