Discussion for the Dremel 4000 Variable-Speeds Rotary Tool
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Question: Not Turning On
I received my 4000 Dremel as a Christmas gift, it worked fine last night. We did get a freeze & now it wont turn on. Any advice would great. TIA
Reply: Not Turning On
Since you have only had the tool for such a short time. I'm sure it's not a brush issue. It may be the part number 2610004636 Electronic Speed Switch that is defective. You may want to take it back from where it was purchased to see if you can get a refund or a new tool.
Question: Dremel 4000 Armature Insulation ...
Towards the back end of the armature on my Dremel 4000, there is a spot about the size of a bb where the reddish colored insulation has been burned off, and I see a bright arcing there through the housing.
Is this something I can repair, or, do I need to buy a new armature?
Reply: Obsolete Part
If you can't find parts on ereplacement go to "link removed" and google it. There is several places. The parts you are looking for are on eBay
Question: Dremel 4000 Repair
My sister borrowed my Dremel 4000 a month or so ago. When I tried to use it the other day it wouldn't come on. She told me that while using it the motor just stopped. I took it apart and nothing seems to be burnt or disconnected. Do you have any ideas what I can do to resolve the issue?
Reply: Dremel 4000 Repair
Well without looking at it I could only go with what generally fails on that tool and that's the Electronic Speed Switch
Part Number: 2610004636.Hope that helps.Good luck.
Reply: Dremel 4000 Repair
Hi Scott, I'm wondering if the Electronic Speed Switch Part Number: 2610004636 fixed your problem. I'm having the same problem.
Question: Dremel 4000
brush & spring 2610005646 shows as obsolete. Now what? 3 year old dremel useless?
Reply: Dremel 4000
[QUOTE=gramajen;82565]brush & spring 2610005646 shows as obsolete. Now what? 3 year old dremel useless?"
The link below seems to have those brushes available. Looks like free shipping as well.
link removed 5646 Carbon motor brush for 4000 rotary tool
Question: Speed Hunts
Is the electronic module suspect if the speed "hunts" (varies up and down continuously) with any selection of the speed knob?
Reply: Speed Hunts
Since the 2610004636 Electronic Speed Switch is the unit that controls the speed of the tool. I would suspect that it is the cause of your problem.
Question: Thread Size On End Of Armature
I damaged the threads on the very end of the armature of my model 4000 - need to know the size so I can renew the threads. Thank you
Reply: Thread Size On End Of Armature
As far as I can see the threads on the 261004634 armature are .28 (pitch) x 40 (threads per inch).
Hope this helps,