Rotary Hammer MODEL HR4000C 003099 DOUBLE INSULATION I N S T R U C T I O N M A N U A L WARNING: For your personal safety, READ and UNDERSTAND before using. SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
Responsible manufacturer: Power supply Makita Corporation Anjo Aichi Japan The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They...
GENERAL SAFETY RULES GEA001-3 WARNING: Read all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. The term “power tool” in all of the warnings listed below refers to your mains-operated (corded) power tool or battery- operated (cordless) power tool.
20. Maintain power tools. Check for misalignment or ditions and the work to be performed. Use of the binding of moving parts, breakage of parts and power tool for operations different from those any other condition that may affect the power intended could result in a hazardous situation.
FUNCTIONAL CAUTION: DESCRIPTION • Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Switch action 003112 CAUTION: • Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the “OFF”...
Hammering only 003135 For chipping, scaling or demolition operations, depress the lock button and rotate the change lever so that the pointer points to the symbol. Use a bull point, cold chisel, scaling chisel, etc. CAUTION: • Do not rotate the change lever when the tool is running under load. The tool will be damaged.
The side handle can be swung 360° on the vertical and secured at any desired 003581 position. It also secures at eight different positions back and forth on the hori- zontal. Just loosen the clamp nut to swing the side handle to a desired posi- tion.
To remove the bit, pull the chuck cover down all the way and pull the bit out. 003168 1. Bit 2. Chuck cover Bit angle (when chipping, scaling or demolishing) 003172 The bit can be secured at 12 different angles. To change the bit angle, depress the lock button and rotate the change lever so that the pointer points to the “O”...
OPERATION Hammer drilling operation 003200 Set the change lever to the symbol. Position the bit at the desired location for the hole, then pull the switch trigger. Do not force the tool. Light pressure gives best results. Keep the tool in posi- tion and prevent it from slipping away from the hole.
Replacing carbon brushes 001146 When the resin insulating tip inside the carbon brush is exposed to contact the commutator, it will automatically shut off the motor. When this occurs, both car- bon brushes should be replaced. Keep the carbon brushes clean and free to slip in the holders.
Be careful not to damage the connector or lead wires especially when wiping out the old grease or installing the handle. To maintain product SAFETY and RELIABILITY, repairs, any other mainte- nance or adjustment should be performed by Makita Authorized Service Cent- ers, always using Makita replacement parts. 1. Connector 2.
CAUTION: • These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose.