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Harry Ferguson Tractors Discussion Forum

STARTING ISSUES ON MY T0 -30

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guyeli

09-12-2005 06:42:28

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Well I checked and cleaned all my connections and apllied di-electric grease to all my connecting points and I still am not getting many turns when I engage the starter.It cranked over fine when I started her cold and let her run for 20 mins,then I shut her down and tried to crank her again and
she would turn very weakly,hesitate,turn very weakly again,then no turn at all.I'm beginning to think about getting my starter re-built and just going to the 12-volt conversion.Since it seems my connections are O.K. I'm also wondering if my starter switch could be bad or maybe the generator.My battery is new so I don't think that is a problem. This is a wonderful forum and I truly appreciate the friendly spirit of camraderie here.

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Jerry/MT

09-12-2005 22:15:16

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Re: STARTING ISSUES ON MY T0 -30 in reply to guyeli, 09-12-2005 06:42:28

Why did you put dielectric grease on the connections? Dielectric means its an insulator.

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guyeli

09-13-2005 10:30:29

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Re: STARTING ISSUES ON MY T0 -30 in reply to Jerry/MT, 09-12-2005 22:15:16

Thanks for your input Jerry.I will renove the starter and have it checked out.I've noticed that removing the starter looks pretty simple,just removing the bolts.Are there any details in the removal and re-installation of the starter that I need to be aware of??.Thanks.

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Jerry/MT

09-13-2005 20:10:20

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Re: STARTING ISSUES ON MY T0 -30 in reply to guyeli, 09-13-2005 10:30:29

You're right,it is easy. Two bolts and the starter cable. It's kinda heavy so be careful. It goes in the same way it comes out. Once you get the first bolt started and don't have to hold it up , ya' got it made! Let us know what you find out. On these forums, we all learn together.

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Jerry/MT

09-12-2005 14:05:25

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Re: STARTING ISSUES ON MY T0 -30 in reply to guyeli, 09-12-2005 06:42:28

There are several things that can influence your problem but I'm assuming that all the connections are tight and clean, you have the proper size copper starter cables,the sytem is properly grounded, the battery is fully charged (and your charging system is working as it should) and you are using a good grade of motor oilof the proper viscosity, and you have the proper transmission/hydraulic oil and the temperatures are in the moderate range (50 to 90 oF). If none of the above are correct,or you are not sure about them, you'd better make sure. (For example, having a new battery doesn't mean it's fully charged.)
When you start the engine are you in the seat and stepping on the clutch while starting to remove the transmission windage load and the hydraulic pump load from the motor?
Have you removed the cover over the brushes on the starter and looked at the brushes and the commutator? The brushes can get worn down or have a bunch of crud on them and the commutator (segmented copper band on the end of the armature) can get a glaze on it that can reduce the starter current. Worse yet it can be completely worn down. A lot of these starters are over 50 years old and have probably never been given any maintenance. (If the commutator looks glazed, cleaning it lightly with a piece of emery cloth on the end of a dowel can improve the starter performance dramatically.)

If I had your problems, I'd take the starter to an auto electric place that rebuilds starters and have them check it out. They have a device that can put the starter under load to simulate the starting sequence and they can tell right away if there is a problem with the unit, because they can measure the current. It wouldn't cost much to have this done and it remove another variable from the problem.

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Zippy4554

09-12-2005 06:51:33

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I have a similar problem in reply to guyeli, 09-12-2005 06:42:28

I have a TO-35 with a recently rebuilt engine. It starts fine when cold, cranks fast etc. But after it has warmed up, it barely cranks at all and cannot be restarted until it cools off.

This is reproducible, so it sort of rules out bad connections. I wondered if it just happens because the engine being just rebuilt, gets tigher as it warms up?

Has yours had a recent rebuild?

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Jiggs

09-13-2005 05:59:06

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Re: I have a similar problem in reply to Zippy4554, 09-12-2005 06:51:33

Golly guys, as an old starter man, just break down and get a new,rebuilt or have yours redone, what is taking place is a short in the fields or armature due to worn end bushings or a short in the windings. no easy way to fix except tear apart and find the problem, and this means a shop qualified in that field. Been there and done this for many years.Good luck in your projects.

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zippy4554

09-13-2005 06:15:27

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starter the problem? in reply to Jiggs, 09-13-2005 05:59:06

Thanks for your insight. In my case, I didn't suspect the starter because I thought this had been rebuilt before I got it. Second, I didn't realize that this kind of behaviour...that is cold starting fine, can hardly crank when hot...is characteristic of a problem in the starter.

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guyeli

09-12-2005 08:48:56

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Re: I have a similar problem in reply to Zippy4554, 09-12-2005 06:51:33

Yes.I recently bought my TO-30 (3 weeks)and it had undergone extensive engine and hydraulic re-build,however,I'm doubtful thats influencing the starting issues.I'm just trying to go step-by step and i.d. the source of the problem.This forum has been a great source of inspiration.

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Dan S (NY)

09-12-2005 08:40:40

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Re: I have a similar problem in reply to Zippy4554, 09-12-2005 06:51:33

I installed a new piston/sleeve kit in my TO20 and it does the same thing..spins over quick when cold but seems "tight" when hot. Always starts though, just turns slower.

I did have a problem with my starter once getting slower and slower. Took it to a shop and it turned out the connection inside to the wiring post was bad. Cheap fix.

Dan

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harold in Ky

09-12-2005 13:00:49

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Re: I have a similar problem in reply to Dan S (NY), 09-12-2005 08:40:40

I hope somebody answers this..Mine has been doing this for the last two years.

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danct

09-12-2005 15:16:43

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Re: I have a similar problem in reply to harold in Ky, 09-12-2005 13:00:49

i think i would try turning the engine with a crank handle a few turns see if you encounter any unusual resistance,do it first when its cold then when its hot and compare the difference if any ,i presume you have good oil pressure and water tempreature gauge and the readings are normal,also one thing i had myself was the starter pinion gear was hanging up on the ring gesr and i noticed this by putting my hand on the starter when the tractor was running ,it got pretty hot but i caught it in time and had to replace the starter drive assembly,DO NOT LUBE THIS SHAFT if you have occasion to replace,it doesn't like oil of any kind
let us know
good luck Danny,.

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danct

09-12-2005 15:16:32

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Re: I have a similar problem in reply to harold in Ky, 09-12-2005 13:00:49

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danct

09-12-2005 15:14:45

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Re: I have a similar problem in reply to harold in Ky, 09-12-2005 13:00:49

i think i would try turning the engine with a crank handle a few turns see if you encounter any unusual resistance,do it first when its cold then when its hot and compare the difference if any ,i presume you have good oil pressure and water tempreature gauge and the readings are normal,also one thing i had myself was the starter pinion gear was hanging up on the ring gesr and i noticed this by putting my hand on the starter when the tractor was running ,it got pretty hot but i caught it in time and had to replace the starter drive assembly,DO NOT LUBE THIS SHAFT if you have occasion to replace,it doesn"t like oil of any kind
let us know
good luck Danny,.

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