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Old 02-24-2019, 03:11 PM
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Join Date: Aug 2018
Location: Tahuya Wa
Posts: 23
Bosch Generator ?? Parts

Hey all. Rebuilding my generator never done a Bosch, they're built well. Both shaft ends have sleeves/slingers on them and I'm a little concerned about putting the puller on them. Any suggestions?
Would like to see an exploded view of it but haven't found any yet.
Brushes and bearings are available but would like to replace the springs also. Found them over seas but both companies don't ship to the U.S. not the first time dealing with that issue.
Generator # 0 101 302 022
Brush# 1 107 014 146
Spring# 1 109 999 071
Electrically everything ohms out good, just needs cleaning etc.
Thanks for the help
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Old 02-24-2019, 06:20 PM
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Join Date: Jan 2012
Posts: 7,182
Use a bearing splitter in a press or with a puller. ( The bolts are there only for adjustment though I've sued them to wedge things apart before. )

You could probably position the splitter under the bearing and not bend the slinger or only slightly bend it.

The splitter has a tapered and flat side, use whatever fits the best.
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Old 02-24-2019, 08:30 PM
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Join Date: Aug 2018
Location: Tahuya Wa
Posts: 23
That would work. I have a large splitter, maybe too large! I could cut a slot in some flat steel the width of the shaft and pull on that.
Thanks for the idea.
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Old 02-24-2019, 09:38 PM
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Join Date: Jan 2006
Location: Tucson, AZ
Posts: 4,502
Or, take it over to your local machine shop. Those really should be pressed off and on. Pulling them will work but be extremely careful on the threaded end.

If you are going to replace the bearings yourself, then here's a tip. Slip the armature shaft into the freezer overnight, wait for the wife/significant other to leave the house for awhile, stick the bearings into a 200 degree F oven for an hour or so. The bearings will expand and the shaft contracts making it easy-peasey to install the bearings. Use a dollop of Never-Seize on the shaft.
“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now

Last edited by Mike D; 02-24-2019 at 09:48 PM.
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