How to Replace the Leaf Spring on a Makita Power Drill
How to Replace the Leaf Spring on a MakitaPower DrillThis article will help you replace the leaf spring in your Makita power drill, which will help improveyour drills clutch performance. The article also describes the basic steps for breaking down andreassembling a Makita drill.The leaf spring on a Makita power drill is a small part that can fall out when you open up your drill. This littlespring helps prevent the drills clutch from slipping out of its setting and should be nestled into a slot in thedrill housing. If the leaf spring is missing from your Makita drill, the clutch will spin without clicking on eachpower setting, possibly while you drill.This article will help you troubleshoot this common problem and will also help explain the proper way tobreak down and reassemble your Makita power drill.If you need a new leaf spring or other power tool parts, remember to use eReplacementParts.comsconvenient product number search feature to get the right parts for all your do-it-yourself repairs.Breaking Down the Power Drill 1. Remove the battery and screws Remove your drills battery.
Remove the screws from the drill housing.You will also have to remove two screws from the back cover.Remove the last screw that holds the drills housing together.
2. Separate the drill housing Separate the two halves of the drill housing to gain access to the internal components.3. Take tension off the brushes This is a good time to take the tension off the brushes in the rear of your drill. Just remove the wire contacts from the spring.
4. Remove the gear housing field and armature Remove the gear housing field and armature from the drill body to gain access to the leaf spring mount.5. Replace the leaf spring Now you can replace the leaf spring. In many cases the spring falls out when you disassemble the drill and finding where it goes can be difficult. The leaf spring rests in a small slot in the drill housing. Once you set it in place, you can begin reassembling the drill.
Reassembling the Power Drill 1. Locate the notch on the gear housing field Before you reassemble your drill, locate the notch on the gear housing field. This notch will align with the notch in the drill housing when you reassemble your drill. 2. Check the springs on the high-low switch Double-check the switch that mounts on top of the gear housing field.
The switch has two springs that can pop out and get lost. Make sure the springs are there, then set the switch in position on the gear housing.3. Install the gear housing and armature Slide the gear housing field and armature through the brush holder and set it into place in the drill housing. Make sure the notch on the gear housing field aligns with the notch in the drill housing. Check to make sure the brush holder is properly aligned.4. Replace the drill cover
Now you can replace the drill cover. It should go into place without having to be forced.5. Fasten the brushes Use a pick to snap the brushes back into place.6. Reinstall the screws and battery Install the screw that holds the two sides of the drill housing together. Reinstall the back cover.
Now you can tighten the screws that fasten the housing. Use a Phillips-head screwdriver to slowly back each screw out until you feel it catch on the old threads. This will prevent you from accidentally stripping the plastic housing. Now all you have to do is tighten the housing screws and reinstall the battery.ConclusionBreaking down your Makita drill is a simple repair that only requires a screwdriver (or second power drill) andabout 20 minutes of your time. You can use the information in this article to easily replace the leaf spring orconduct another internal repair on your drill.
Remember that eReplacementParts.com has detailed breakdowns for Makita power drills, and finding theparts you need is as simple as typing your tool model number into our convenient model number searchfeature.