[HAM] 122 doesn't want to change to slow

[mtcasino]

It dose sound like you need a little motor work there. Things to look at are
the spring, spacers, and the distance the armature moves when the slow motor
is engaged and the spacing of the slow motor to the o-ring. 

Parts are available on eBay, and web stores such as Tonewheel General.
Rebuild services for the motors can also be found.

If you go for the motor controller route, I recommend the Caribbian Controls
unit. It is built better and just plain works. I have used both and use the
Caribbian exclusively.

Mike

<snip>

My 122 don't want to change to slow speed. This is happening on the top
rotor only. I've cleaned and oiled the motors. I've adjusted the slow motor,
where the shaft hits the rubber 
O-ring, over and over. Still, when I change from fast to slow, most of the
time, I have to switch back to fast, then quickly back to slow to get it to
slow down. Sometimes I have to do this several times before it will go to
slow. The Leslie has an EIS solid state relay in it. I've checked to see if
the voltage is correct at the motor outlets when the switch is thrown and it
is OK. I haven't changed the O-ring. I thought I bought a spare the last
time I got some, but can't seem to locate it now. It's looks OK with some
wear, but not too bad.
Looking for something else to try. I'm thinking maybe a motor rebuild with
new springs and washers or, maybe I just haven't hit the sweet spot in my
adjusting of the slow motor shaft against the O-ring and I need to keep
trying that. Any suggestions?
One other thought, I'm going to get a Hamptone Motor Controler for my Leslie
21H so I'll have slow speed. I may get one for the 122 also, and just do
away with the slow motors altogether. What are your thoughts on doing that?
 
 Thanks, Ricky 

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