HR3520 Makita Hammer - Overview

Genuine Makita replacement part Set of 2 Carbon Brushes with wire leads and brush springs attached. • Worn brushes frequently are the cause behind a motor running poorly. • Replacing brushes can fix a motor that's operating intermittently. • New brushes can restore a motor's electric braking. Carbon brushes are one of t...Read morehe most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.

This Trigger switch has 4 terminals. This is an authentic Makita replacement part that is sold individually. Switches are commonly replaced parts in power tools, handling all on/off and variable speed operations. They also have a role in electric breaking; they can momentarily reverse electrical polarity. Because switches use mechanica...Read morel internals, they will degrade and wear out over time, eventually requiring replacement. Some common signs of a broken or failing switch are: • The tool will not start when you use the switch, or it requires multiple tries to turn on, until eventually it refuses to start at all. • The variable speed function and electric braking aren't working properly.

Included in Part Number 516306-1. rnThis Ball Bearing is sealed on both sides. This genuine Makita replacement part is sold individually. rnrn • Ball bearings minimize friction between rotating parts in your tool. The balls or rollers bear the load and spin, distributing the weight evenly, while the minimal contact area of the balls re...Read moreduces friction. This reduces wear on the tool, allowing it to run smoothly. rn • Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement.

This is a high quality item that is specially manufactured for use with Makita power tools. It is a standard hardware which has multiple used depending on the tool, please make sure to check appropriate diagrams for correct use and application of this screw. One durable metal pan head screw is included per order.

This is a standard hardware which has multiple uses based on your unit. It is sourced directly from Makita for use with rotary demolition hammers. Please refer to appropriate models diagrams for correct application of this bolt. It is a hex socket head bolt which would require a hex key/allen wrench to secure it. Includes one (1) metal bolt and one (1) metal washer.

This is an OEM part sourced directly from the manufacturer. The grip base is designed for use in a Makita rotary hammer. This part is placed to help secure the forward grip to the machine housing. No tools are required when replacing this item. Simply remove the wing bolt so the old part can be removed and replaced. This item is sold individually.

Genuine Makita replacement part. This pan-head phillips screw includes a washer. It is sold individually.

Genuine Makita replacement part. This Hex socket bolt includes a washer and is sold individually.