The Makita HM1812 is a powerful 2000W 30kg class electric breaker designed for heavy-duty demoliti...The Makita HM1812 is a powerful 2000W 30kg class electric breaker designed for heavy-duty demolition tasks. It features best-in-class power with vibration absorbing housing and a counterweight mechanism to reduce operator fatigue. The "Soft no load" function automatically lowers motor speed during idling to suppress machine body vibrations. LED indicators notify when carbon brushes need replacement. This breaker is compatible with dust extractors and a Hammer Trolley (sold separately). Key specifications include: Mode: Chisel Only, Input Power: 240V 2000W, Impact Rate: 870 bpm, Impact Energy: 78.2 joules, Tool Holder: Hex 1.1/4 in.
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This guide is for professionals and serious DIYers looking to master the Makita HM1812 electric breaker. It offers best-in-class demolition power, significantly reducing operator fatigue with its advanced vibration-dampening features. Note that while powerful, this is a heavy-duty tool, and users should be prepared for its weight and size.
All features
Model Part Number
HM1812
Brand
Makita
Extended Product Information
FAQs
What type of bits/chisels does the HM1812 use?
The HM1812 uses bits and chisels with a Hex 1.1/4 in. shank.
What is the impact energy of this breaker?
The impact energy is 72.8 Joules.
What is the power source for this breaker?
The power source is AC, operating at 240V.
How do I replace the carbon brushes?
When the LED indicator lights up, the carbon brushes need to be replaced. Consult the user manual for detailed instructions.
Does the HM1812 come with a case?
No, a case is not included and must be purchased separately.
How often should I lubricate the tool?
The tool should be lubricated periodically following the instructions in the user manual.
Is a dust extraction system recommended?
Yes, using a dust extraction system is highly recommended to maintain a cleaner and safer work environment.
Troubleshooting
Breaker does not start.
Check the power cord and outlet for proper connection and operation. Inspect the power switch.
Reduced impact power.
Check the chisel or bit for wear. Ensure the tool is receiving adequate voltage.
Excessive vibration.
Check the chisel/bit for proper fit and ensure the housing is not damaged.
LED indicator for carbon brushes is on.
Replace the carbon brushes.
Pros and Cons
Pros
Exceptional demolition power for efficient material removal.
Advanced vibration dampening for reduced operator fatigue during extended use.
Soft start feature enhances control and safety.
LED indicators provide timely maintenance alerts.
Compatibility with dust extraction systems promotes a cleaner workspace.
Cons
The tool's weight (31.3 kg) can be challenging for some users.
Requires a 240V power source.
The size can make it cumbersome in tight spaces.
Dust extractor and Hammer Trolley are sold separately.
Setup, Compatibility & Care
Setup:
Ensure the power switch is in the "off" position before connecting to a power source.
Insert the appropriate chisel or bit into the hex tool holder and secure it.
Compatibility:
Operates on a 240V power supply.
Compatible with Makita dust extractors (sold separately) for dust control.
Care:
Regularly inspect the power cord for damage.
Clean the tool after each use, removing dust and debris.
Check and replace carbon brushes when indicated by the LED.