CATERPILLAR Posted November 7, 2016 Report Share Posted November 7, 2016 Just Got Done Cleaning And Repairing This Makita Bhp452 Hammer/drill driver . Works like a charm i replaced gear box,switch and brushes. I Cleaned Everything From Inside Of Motor to The Glue off of the plastics. This drill is used daily at my high school wood shop here are some pictures of it 3 Quote Link to comment Share on other sites More sharing options...
JMG Posted November 7, 2016 Report Share Posted November 7, 2016 I have one of those puppies. Had to replace the switch on it as well (broken connector on the sensor). Quote Link to comment Share on other sites More sharing options...
jeffmcmillan Posted November 7, 2016 Report Share Posted November 7, 2016 Great job. I can't even remember the last time mine looked that clean. Somehow hasn't needed repairs yet though so fingers crossed. Quote Link to comment Share on other sites More sharing options...
CATERPILLAR Posted November 7, 2016 Author Report Share Posted November 7, 2016 6 minutes ago, JMG said: I have one of those puppies. Had to replace the switch on it as well (broken connector on the sensor). Thanks for stopping by yeah switch is a pretty common thing on older cordless drills Quote Link to comment Share on other sites More sharing options...
CATERPILLAR Posted November 7, 2016 Author Report Share Posted November 7, 2016 5 minutes ago, jeffmcmillan said: Great job. I can't even remember the last time mine looked that clean. Somehow hasn't needed repairs yet though so fingers crossed. Thanks bud i love this model fits in your hand nice and balanced and if anything on any of your makita tools brakes u can just pm me and i can help you out Quote Link to comment Share on other sites More sharing options...
ChrisK Posted November 7, 2016 Report Share Posted November 7, 2016 Fantastic dude! Was it expensive to rebuild or were the parts cheap enough?Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
CATERPILLAR Posted November 7, 2016 Author Report Share Posted November 7, 2016 5 hours ago, ChrisK said: Fantastic dude! Was it expensive to rebuild or were the parts cheap enough? Sent from my iPhone using Tapatalk I would say without labor costs is about $75 the gear box was $40 , Switch $30 , Carbon Brushes $5 have a great day thanks for stopping by . if you have any questions about makita repairs or anything like that pm me Quote Link to comment Share on other sites More sharing options...
HiltiWpg Posted November 7, 2016 Report Share Posted November 7, 2016 With the newer 4 pole designs, aside from improved speed control, brushed motors are serious competitors. Reliability, reparability and power for much less than brushless. The losses through the commutator are dramatically reduced so the battery life is similar to a brushless. Its great seeing guys being able to easily repair a tool.Good job!Sent from my Pixel XL using Tapatalk Quote Link to comment Share on other sites More sharing options...
CATERPILLAR Posted November 7, 2016 Author Report Share Posted November 7, 2016 59 minutes ago, HiltiWpg said: With the newer 4 pole designs, aside from improved speed control, brushed motors are serious competitors. Reliability, reparability and power for much less than brushless. The losses through the commutator are dramatically reduced so the battery life is similar to a brushless. Its great seeing guys being able to easily repair a tool. Good job! Sent from my Pixel XL using Tapatalk Thanks bud if youu ever have any makita tool repair questions you know where to find me have a good one thanks for stopping by Quote Link to comment Share on other sites More sharing options...
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