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Repaired a controller last night


MJI

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I wanted to test a loco and found the controller was not putting out normal DC and was load dependant (normally fine).

 

Anyway off came the lid, the half wave switch was dodgy so I jumped it with some wire. No more half wave now.

 

And the strange under load thing was due to the wire from the transformer tap coming away from the mechanism. All power was going through the tap slider which is greased. I resoldered the wire to the mechanism.

 

Anyway now it was fine even if a bit messy cosmetically.

 

Not bad for a controller I was given when I was 4 or 5. 45 years and still going.

 

More to hte point still good control.

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Guess that's probably an H&M then, :yes:.

They are almost bulletproof,

and infinitely repairable.

 

Jeff

 

yes and it is the second best model!

 

Still hanker after a Powermaster

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