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Is my starter bad?

#1

C

cutitall

Cub Cadet LT1050 with Kohler engine

Hi all,

So I'm bench testing this starter I have, in the usual manner, but the thing is that although the shaft spins just fine, the internal solenoid will throw the gear shaft out about an inch like its supposed to, but as I keep power to it the motor continues to spin but the gear shaft begins to retract back towards the starter housing.

Is this just a quirk due to the starter not being mounted to the engine? Such that if it was mounted, the friction of the starter gear meshing with the ring teeth on the motor would keep the gear shaft thrown out and engaged?

I have a video but don't see a way to post it.

Thanks for reading!

cutitall


#2

D

Douglas Lee

I agree with your statement!
I don't think the starter is bad.
I think that is normal in this case, it has no engagement with an opposing gear to keep
it at the top end/extended position of the motor shaft, therefore it is slipping back down to the retracted position.
Thanks,
Douglas Lee
*


#3

StarTech

StarTech

Solenoid shift starter should keep the Bendix up; unless, the battery voltage is dropping below 9.5v. If the applied voltage is dropping so is the strength of the solenoid magnetic field; so therefore, the solenoid will start to retract the Bendix below 9.5v.

Now an Inertia starter operates a little different as the starter slows the anti drift spring could start to push the Bendix while free rotating.

But in this case the OP said internal solenoid so it would be a solenoid shift starter. Sounds like a bad test battery to me or it is well below 300 CCA capacity.


#4

S

slomo

cutitall said:
I have a video but don't see a way to post it.
Click to expand...
Youtube is free.


#5

A

Auto Doc's

cutitall said:
Cub Cadet LT1050 with Kohler engine

Hi all,

So I'm bench testing this starter I have, in the usual manner, but the thing is that although the shaft spins just fine, the internal solenoid will throw the gear shaft out about an inch like its supposed to, but as I keep power to it the motor continues to spin but the gear shaft begins to retract back towards the starter housing.

Is this just a quirk due to the starter not being mounted to the engine? Such that if it was mounted, the friction of the starter gear meshing with the ring teeth on the motor would keep the gear shaft thrown out and engaged?

I have a video but don't see a way to post it.

Thanks for reading!

cutitall
Click to expand...
Is the starter acting up when it is installed?


#6

R

Rivets

I would agree with Star, bad battery. An internal shift solenoid needs a minimum of 11VDC to kick in and hold the bendix gear in place. Other cause would be that the internal solenoid contacts are corroded, which mean taking the starter apart.


#7

C

cutitall

Auto Doc's said:
Is the starter acting up when it is installed?
Click to expand...
That's the problem, I don't have the mower it goes to. :-( I want to sell it, but want to be sure it works without installing.

cutitall


#8

A

Auto Doc's

Ebay, sell as is used. Starter spins when tested.


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