How to repair disassemble Makita HR2450 rotary hammer drill - YouTube
How to assemble Makita hr2450 rotary hammer drill armature, cylinder gears - YouTube
Amazon.com: Replacement Part for M.C AC 220V Armature Assy Rotor for Makita HR2450 HR2440 Rotary Hammer 5 Teeth Power Tool Accessories : Tools & Home Improvement