Makita DHR280 Instruction Manual
Cordless combination hammer
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- Instruction manual (160 pages)
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Table of Contents
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Summary of Contents for Makita DHR280
- Page 1 INSTRUCTION MANUAL Cordless Combination Hammer DHR280 DHR281 DHR282 DHR283 Read before use.
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Page 2: Specifications
Sound power level (L ) : 103 dB (A) Uncertainty (K) : 3 dB(A) Intended use Model DHR280 with DX08 Sound pressure level (L ) : 92 dB(A) The tool is intended for hammer drilling and drilling in Sound power level (L ) : 103 dB (A) brick, concrete and stone as well as for chiselling work. -
Page 3: Ec Declaration Of Conformity
(taking account of all parts of the operating cycle such as Model DHR280 the times when the tool is switched off and when it is Work mode: hammer drilling into concrete running idle in addition to the trigger time). - Page 4 Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of elec- tric shock if your body is earthed or grounded. Do not expose power tools to rain or wet con- ditions.
- Page 5 Battery tool use and care In cold weather or when the tool has not been Recharge only with the charger specified by used for a long time, let the tool warm up for a while by operating it under no load. This the manufacturer.
- Page 6 17. Do not remove the wireless unit from the slot causing fires, personal injury and damage. It will while the power is being supplied to the tool. also void the Makita warranty for the Makita tool and Doing so may cause a malfunction of the wireless charger.
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Page 7: Functional Description
Indicating the remaining battery FUNCTIONAL capacity DESCRIPTION Only for battery cartridges with the indicator CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool. Installing or removing battery cartridge CAUTION: Always switch off the tool before... - Page 8 Overheat protection Number Revolutions per Blows per minute minute When the tool or battery is overheated, the tool stops 5,000 automatically. In this case, let the tool and battery cool before turning the tool on again. 4,130 3,260 NOTE: When the tool is overheated, the lamp blinks. 2,400 Overdischarge protection 1,550...
- Page 9 For DHR281/DHR283 properly. Ask your local Makita Service Center for repair. The quick change chuck for SDS-plus can be easily exchanged for the quick change drill chuck.
- Page 10 Hammering only Selecting the action mode For chipping, scaling or demolition operations, rotate NOTICE: Do not rotate the action mode chang- the action mode changing knob to the symbol. Use a ing knob when the tool is running. The tool will be bull point, cold chisel, scaling chisel, etc.
- Page 11 Adjusting the nozzle position of the Adjusting the drilling depth of the dust collection system dust collection system Optional accessory Optional accessory Push in the guide while pushing up the guide adjust- Slide the depth adjustment button to the desired posi- ment button, and then release the button at the desired tion while pushing it up. The distance (A) is the drilling position.
- Page 12 Installing or removing drill bit ASSEMBLY Clean the shank end of the drill bit and apply grease CAUTION: before installing the drill bit. Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool. Side grip (auxiliary handle) CAUTION: Always use the side grip to ensure...
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Page 13: Depth Gauge
Chisel angle (when chipping, Installing or removing the dust scaling or demolishing) collection system The chisel can be secured at the desired angle. To Optional accessory change the chisel angle, rotate the action mode chang- To install the dust collection system, insert the tool into ing knob to the O symbol. - Page 14 Dust cup Optional accessory Use the dust cup to prevent dust from falling over the tool and on yourself when performing overhead drilling operations. Attach the dust cup to the bit as shown in the figure. The size of bits which the dust cup can be attached to is as follows. Model Bit diameter Dust cup 5...
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Page 15: Operation
Hammer drilling operation OPERATION CAUTION: There is tremendous and sudden twisting force exerted on the tool/drill bit at the time of CAUTION: Always use the side grip (auxiliary hole break-through, when the hole becomes clogged handle) and firmly hold the tool by both side grip with chips and particles, or when striking reinforcing and switch handle during operations. - Page 16 To remove the bit, hold the ring and turn the sleeve counterclockwise. Set the action mode changing knob to the symbol. Diamond core drilling For DHR280/DHR282 Optional accessory NOTICE: If performing diamond core drilling Attach the chuck adapter to a keyless drill chuck to operations using “rotation with hammering”...
- Page 17 Open the cover of the dust case. ► 1 . Dust case 2. Dial ► 1 . Cover Disposing of dust Dispose of the dust, and then clean the filter. Optional accessory CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool.
- Page 18 The overview of the wireless activation function setting is Using dust cup set as follows. Refer to each section for detail procedures. Installing the wireless unit Optional accessory Tool registration for the vacuum cleaner Fit the dust cup set against the ceiling when operating the tool.
- Page 19 Tool registration for the vacuum cleaner NOTE: A Makita vacuum cleaner supporting the wireless activation function is required for the tool registration. NOTE: Finish installing the wireless unit to the tool before starting the tool registration.
- Page 20 Push the wireless activation button on the tool NOTE: The wireless activation lamps finish blinking briefly. The wireless activation lamp will blink in blue. in green after 20 seconds elapsed. Press the wireless activation button on the tool while the wireless acti- vation lamp on the cleaner is blinking. If the wireless activation lamp does not blink in green, push the wire- less activation button briefly and hold it down again.
- Page 21 Description of the wireless activation lamp status ► 1 . Wireless activation lamp The wireless activation lamp shows the status of the wireless activation function. Refer to the table below for the meaning of the lamp status. Status Wireless activation lamp Description Color Duration...
- Page 22 If the cancellation is performed successfully, the wire- Cancelling tool registration for the less activation lamps will light up in red for 2 seconds vacuum cleaner and start blinking in blue. NOTE: The wireless activation lamps finish blinking in Perform the following procedure when cancelling the red after 20 seconds elapsed. Press the wireless acti- tool registration for the vacuum cleaner.
- Page 23 Troubleshooting for wireless activation function Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual, do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace- ment parts for repairs. State of abnormality Probable cause (malfunction) Remedy The wireless activation lamp does The wireless unit is not installed into the tool.
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Page 24: Maintenance
Discoloration, deformation or cracks may result. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. ► 1 . Filter 2. Filter case Replacing filter of dust case Attach a new filter to the filter case, and then attach the filter cover. -
Page 25: Optional Accessories
OPTIONAL ACCESSORIES 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. If you need any assistance for more details regard- ing these accessories, ask your local Makita Service Center. - Page 28 Jan-Baptist Vinkstraat 2, Makita Europe N.V. 3070 Kortenberg, Belgium 3-11-8, Sumiyoshi-cho, Makita Corporation Anjo, Aichi 446-8502 Japan 885632B228 www.makita.com 20180601...