In a message dated 98-09-06 19:37:41 EDT, KTRIUMPH@aol.com writes:
> I would be interested in knowing if there is some way to "bench-test"
> generators using a multi-tester and a drill/motor to spin the things.
Ken,
If you can rig up a fixture so that you can spin the generator up to about
1000 RPM, it is very easy to test one. Simply connect the two terminals on the
generator ("D" and "F") together with a short piece of wire, spin the
generator, and monitor the voltage at the terminals.
The voltage "should rise rapidly and without fluctuations" as the RPM rises.
Limit the RPM so that the voltage does not reach 20 volts.
"If there is no reading, check the brushes."
"If the reading is low, around 1/2 to 1 volt, the field winding may be
faulty."
"If the reading is about 4 to 5 volts, the armature winding may be faulty."
If everything is OK, the voltage should be at least 13 to 14 volts.
The preceding information was extracted from the Bentley manual for the MGB,
which uses the same Lucas Dynamo as the Triumph (at least in design, if not
the exact same model number).
Dan Masters,
Alcoa, TN
'71 TR6---------3000mile/year driver, fully restored
'71 TR6---------undergoing full restoration and Ford 5.0 V8 insertion - see:
http://www.sky.net/~boballen/mg/Masters/
'74 MGBGT---3000mile/year driver, original condition - slated for a V8 soon
'68 MGBGT---organ donor for the '74
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