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Bosch corded drill problem

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Forum topic by Willardz posted 01-24-2015 03:20 AM 828 views 0 times favorited 9 replies Add to Favorites Watch
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Willardz

59 posts in 1773 days


01-24-2015 03:20 AM

I have had this drill for about 9 years. I use it for cutting holes for wire management in desks, and conf tables. Lately during use, and in the middle of a cut it stops spinning, and just revs real loud. After pressing the trigger a couple of times I usually can get it to work, and I can finish the job. Anyone know what is causing this, and how would I go about fixing it? Hoping I don’t have to replace it.

-- I have Carrie, food, shelter, and wood to turn. What else do I need? http://www.willardwoodworking.com


9 replies so far

View ElChe's profile

ElChe

630 posts in 799 days


#1 posted 01-24-2015 03:42 AM

Check the brushes, the commutator, and the armature? Make sure the switch is clean. Good luck!

-- Tom - Measure twice cut once. Then measure again. Curse. Fudge.

View bigblockyeti's profile

bigblockyeti

3668 posts in 1183 days


#2 posted 01-24-2015 04:12 AM

Is it slipping only when under high torque situations? The only way the motor could spin or rev faster and the spindle fail to do the same is if the gears are stripped. Sometimes in low torque situations, after this kind of damage has occurred, a drill (or other gear driven device) can still work. If this has happened once, the rate of wear will be exponential. Most hand held drills are double or triple reduction and the failure point could be at any pair of gears. Sometimes it’s feasible to repair such a failure, most of the time it is not.

View cutmantom's profile

cutmantom

389 posts in 2498 days


#3 posted 01-24-2015 04:26 AM

I have seen this a couple of times, the shift mechanism from high to low failed , both times it was a Bosch cordless drill

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bigblockyeti

3668 posts in 1183 days


#4 posted 01-24-2015 02:46 PM

I didn’t consider the fact that it could have been a multi-speed drill. Do you have a model number so that we might be able to better help you?

View mrg's profile

mrg

659 posts in 2462 days


#5 posted 01-24-2015 03:59 PM

Check to see if the shaft is spinning inside the chuck

-- mrg

View REO's profile

REO

889 posts in 1537 days


#6 posted 01-24-2015 06:51 PM

I would go with the not engaged in either low or high. happens to me all the time even with cordless drills when I am bearing down and slide the high low gear change tab out of gear.

View Willardz's profile

Willardz

59 posts in 1773 days


#7 posted 01-24-2015 07:39 PM

I will get the model number and snap a pic today. Thank you for the replies.

-- I have Carrie, food, shelter, and wood to turn. What else do I need? http://www.willardwoodworking.com

View Willardz's profile

Willardz

59 posts in 1773 days


#8 posted 01-25-2015 12:43 AM

Here are a couple pics

-- I have Carrie, food, shelter, and wood to turn. What else do I need? http://www.willardwoodworking.com

View bigblockyeti's profile

bigblockyeti

3668 posts in 1183 days


#9 posted 01-25-2015 01:52 AM

I’ve had one of those apart before, it’s almost certainly not fully engaging the chosen gear. Having the gearbox gone through could be a viable option that might not break the bank.

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