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  #1  
Old 10-13-2019, 11:42 AM
IHCubCadet147's Avatar
IHCubCadet147 IHCubCadet147 is offline
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Default Starter Generator Rebuild

What is involved in rebuilding a starter generator? Would that require special tools or anything? The one on my 129 needs to be rebuilt, and I would rather do it myself if possible.
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125, 126, 147, 129, 149 x 2, 1450, 882, 1810, 1320, 1440, 2135, 2 129’s for parts/project, 1950 Farmall Cub
38" LT mower deck, 4 42" triangle mower decks, 2 44A mower decks, 2 50C mower decks, 42” GT deck, 3 42" snow/dirt blades, 42" landscape rake, #4 cart
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Old 10-13-2019, 12:14 PM
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ol'George ol'George is offline
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Quote:
Originally Posted by IHCubCadet147 View Post
What is involved in rebuilding a starter generator? Would that require special tools or anything? The one on my 129 needs to be rebuilt, and I would rather do it myself if possible.
It really depends on what is wrong.
Sometimes they just need brushes replaced.
A true "rebuild" would need the bearings/bushings replaced,the armature commutator turned and the mica between the segments cut.
Also if the bearing surfaces were worn, that needs addressed.
The field coils need tested or replaced if bad or the insulation is burned.
The housing is normally cleaned/blasted and repainted after the fields/pole shoes are removed.
The armature is inspected for shorts between the winding's as well as for grounds on a growler, also a visual inspection for thrown solder where the winding's are attached to the commutator.
as I said, it all depends on what is wrong.
More times than not the brushes wear first.
But after all these years of service, anything can happen.
I have opened up a starter or generator expecting a simple brush replacement and found a burned up, worn out mess.
other times, just the opposite.
Hope this helps with a little visual for you.
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Old 10-13-2019, 07:59 PM
IHCubCadet147's Avatar
IHCubCadet147 IHCubCadet147 is offline
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Join Date: Feb 2018
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Quote:
Originally Posted by ol'George View Post
It really depends on what is wrong.
Sometimes they just need brushes replaced.
A true "rebuild" would need the bearings/bushings replaced,the armature commutator turned and the mica between the segments cut.
Also if the bearing surfaces were worn, that needs addressed.
The field coils need tested or replaced if bad or the insulation is burned.
The housing is normally cleaned/blasted and repainted after the fields/pole shoes are removed.
The armature is inspected for shorts between the wingdings as well as for grounds on a growler, also a visual inspection for thrown solder where the windings are attached to the commutator.
as I said it all depends on what is wrong.
More times than not the brushes wear first.
But after all these years of service, anything can happen.
I have opened up a starter or generator expecting a simple brush replacement and found a burned up, worn out mess.
other times, just the opposite.
Hope this helps with a little visual for you.
Thanks, that does help.
__________________
125, 126, 147, 129, 149 x 2, 1450, 882, 1810, 1320, 1440, 2135, 2 129’s for parts/project, 1950 Farmall Cub
38" LT mower deck, 4 42" triangle mower decks, 2 44A mower decks, 2 50C mower decks, 42” GT deck, 3 42" snow/dirt blades, 42" landscape rake, #4 cart
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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