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British Bikes / Re: Fitting Wassel negative earth regulator
« on: March 18, 2019, 09:36:16 AM »
Ill take look in the Dynamo
Thankyou fot your help
Paul 🤔
Thankyou fot your help
Paul 🤔
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British Bikes / Re: Fitting Wassel negative earth regulator
« on: March 17, 2019, 01:52:09 PM »
John
thanks again and now I understand the diagram and can progress.
Ian
if that's the case it would make life a lot easier.
It is the original Dynamo from the bike which I had reconditioned. I told the firm in Sheffield who did the reconditioning what the rotation direction is.
So I guess there should be no reason to change it.
Have you experience of making the direct connections without internally changing the wires in the dynamo.
Paul
thanks again and now I understand the diagram and can progress.
Ian
if that's the case it would make life a lot easier.
It is the original Dynamo from the bike which I had reconditioned. I told the firm in Sheffield who did the reconditioning what the rotation direction is.
So I guess there should be no reason to change it.
Have you experience of making the direct connections without internally changing the wires in the dynamo.
Paul
3
British Bikes / Re: Fitting Wassel negative earth regulator
« on: March 16, 2019, 10:22:26 AM »
Hi John
Just one last question.
In diagram 2 it shows that the terminals D and F are connected together.
Does this not create a short since the F is connected to the -ve field coil wire and the D is connected to the +be Dynamo brush and to the +ve field coil wire.
Thanks so much I would never have figured all this out.
Paul
Just one last question.
In diagram 2 it shows that the terminals D and F are connected together.
Does this not create a short since the F is connected to the -ve field coil wire and the D is connected to the +be Dynamo brush and to the +ve field coil wire.
Thanks so much I would never have figured all this out.
Paul
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British Bikes / Re: Fitting Wassel negative earth regulator
« on: March 14, 2019, 08:55:07 PM »
Thanks for your comprehensive reply John
I think I understand but its still a bit muddy.
Am I correct in my own words as below
Connections inside the Dynamo
According to the first page I need to change the field coil connections by connecting the positive field connection to Terminal D
Terminal D should already have a connection to the positive brush
The other field coil wire (-ve) is moved to Terminal F
The negative brush is connected to the dynamo body
In Diagram 2
I presume therefore that the Dynamo when rotating will send a voltage to the Field Coil through the wire connecting Terminal D with Terminal F. If this is the case how is the charge being regulated?
Paul
I think I understand but its still a bit muddy.
Am I correct in my own words as below
Connections inside the Dynamo
According to the first page I need to change the field coil connections by connecting the positive field connection to Terminal D
Terminal D should already have a connection to the positive brush
The other field coil wire (-ve) is moved to Terminal F
The negative brush is connected to the dynamo body
In Diagram 2
I presume therefore that the Dynamo when rotating will send a voltage to the Field Coil through the wire connecting Terminal D with Terminal F. If this is the case how is the charge being regulated?
Paul
5
British Bikes / Fitting Wassel negative earth regulator
« on: March 13, 2019, 08:21:39 PM »
I'm trying to replace my mechanical regulator with a Wassel 10221 neg earth regulator.
My bike is a 1939 James K8 250cc.
I just cannot fathom out the wiring instruction wondered if anyone can help me.
Ive attached the instructions.
On the first page the instructions tell you to disconnect the field coil wire marked 1 and move it to the D terminal. Then to disconnect wire marked 2 from the earth screw and connect it to the F terminal.
Am I right in assuming these are internal Dynamo wires (See page1)
Then on Page 2 Diagram 2 it shows the yellow wire connecting to D terminal which connects to positive in the Dynamo.
The green wire is shown connecting to F terminal and then connecting to the D terminal but connecting to anything on the Dynamo.
Then finally the diagram shows the negative in the Dynamo connecting to the black wire.
Can anybody help me untangle this.
Paul
My bike is a 1939 James K8 250cc.
I just cannot fathom out the wiring instruction wondered if anyone can help me.
Ive attached the instructions.
On the first page the instructions tell you to disconnect the field coil wire marked 1 and move it to the D terminal. Then to disconnect wire marked 2 from the earth screw and connect it to the F terminal.
Am I right in assuming these are internal Dynamo wires (See page1)
Then on Page 2 Diagram 2 it shows the yellow wire connecting to D terminal which connects to positive in the Dynamo.
The green wire is shown connecting to F terminal and then connecting to the D terminal but connecting to anything on the Dynamo.
Then finally the diagram shows the negative in the Dynamo connecting to the black wire.
Can anybody help me untangle this.
Paul
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