SOHC.co.uk Forums > CB350/400
Is there an easy way to test for charging ?
Bryanj:
At the regulator connect the black and white wire and see if charge rate goes up
McCabe-Thiele (Ted):
--- Quote from: Bryanj on April 20, 2022, 01:14:45 PM ---At the regulator connect the black and white wire and see if charge rate goes up
--- End quote ---
When you say connect them do you mean attach a bridge wire and see if the voltage changes across the battery?
Bryanj:
Yes mate, that should put full battery voltage to field coil and give max generator output
McCabe-Thiele (Ted):
--- Quote from: Bryanj on April 20, 2022, 04:41:12 PM ---Yes mate, that should put full battery voltage to field coil and give max generator output
--- End quote ---
I will give that a go in the morning.
McCabe-Thiele (Ted):
Well this morning before I started with Bryanj's advice at the forefront I decided it might be safer to remove the voltage regulator from it's mounting to carry out the bridge test.
I disconnected the device to check how clean the brass spades were on the unit when I noticed they are marked E, F & I. At this point I looked at the casing markings and realised the
cover was on the wrong way round effectively inverting the connections E & I just the white field connection was correct.
I looked at some members photos I have showing that the regulator case should have the colours showing when in position not at the back of the unit. I reversed the casing cover so now the markings on the case match those on terminalls effectively reversing the top & bottom connections. ( Now thinking what could have burnt out as a result) I should have blamed the PO but the truth is out now.
Fired up the bike and she is happily turning out over 14.2 volts at higher revs - so confession time I think I put the cover on back to front when I spruced up the base with some zinc primer so as it turns out a bit of an own goal. As a bonus the loom spur with the three wires sits more comfortably the right way up!
When the day has warmed up some more might have another ride hopefully using more than first gear - gear shift foot lever repositioned on the splines yesterday.
(Note to self the circlip on the shaft need replacing it's spring action has sprung)
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