Makita DBO140 Cordless Random Orbit Sander Instruction Manual

Cordless Random Orbit Sander
Instruction Manual

DBO140
DBO180

Explanation of general view

SPECIFICATIONS

• Due to our continuing program of research and development, the specifications herein are subject to change without
• Specifications may differ from country to country.
• The weight may differ depending on the attachment(s), including the battery cartridge. The lightest and heaviest combinations, according to EPTA-Procedure 01/2014, are shown in the table.

Applicable battery cartridge and charger

• Some of the battery cartridges and chargers listed above may not be available depending on your region of resi

WARNING: Only use the battery cartridges and chargers listed above. Use of any other battery cartridges and chargers may cause injury and/or fire.

ENE052-1
Intended use
The tool is intended for the sanding of large surfaces of wood, plastic, and metal materials as well as painted surfaces.

GEA010-2
General Power Tool Safety Warnings
WARNING Read all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.

Save all warnings and instructions for future reference.

The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

GEB021-4
SANDER SAFETY WARNINGS

1. Always use safety glasses or goggles. Ordinary eye or sunglasses are NOT safety glasses.
2. Hold the tool firmly.
3. Do not leave the tool running. Operate the tool only when hand-held.
4. This tool has not been waterproofed, so do not use water on the workpiece surface.
5. Ventilate your work area adequately when you perform sanding operations.
6. Some material contains chemicals that may be toxic. Take caution to prevent dust inhalation and skin contact. Follow material supplier safety data.
7. The use of this tool to sand some products, paints, and wood could expose users to dust containing hazardous substances. Use appropriate respiratory protection.
8. Be sure that there are no cracks or breakage on the pad before use. Cracks or breakage may cause a personal injury.

SAVE THESE INSTRUCTIONS.

WARNING:
DO NOT let comfort or familiarity with the product (gained from repeated use) replace strict adherence to safety rules for the subject product. MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury.

ENC007-17

IMPORTANT SAFETY INSTRUCTIONS FOR BATTERY CARTRIDGE

1. Before using the battery cartridge, read all instructions and cautionary markings on
   (1) battery charger,
   (2) battery, and
   (3) product using the battery.
2. Do not disassemble or tamper with the battery cartridge. It may result in a fire, excessive heat, or explosion.
3. If the operating time has become excessively shorter, stop operating immediately. It may result in a risk of overheating, possible burns, and even an explosion.
4. If electrolyte gets into your eyes, rinse them out with clear water and seek medical attention right away. It may result in loss of your eyesight.
5. Do not short the battery cartridge:
   (1) Do not touch the terminals with any conductive material.
   (2) Avoid storing battery cartridges in a container with other metal objects such as nails, coins, etc.
   (3) Do not expose the battery cartridge to water or rain.
   A battery short can cause a large current flow, overheating, possible burns, and even a breakdown.
6. Do not store and use the tool and battery cartridge in locations where the temperature may reach or exceed 50 °C (122 °F).
7. Do not incinerate the battery cartridge even if it is severely damaged or is completely worn out.
   The battery cartridge can explode in a fire.
8. Do not nail, cut, crush, throw, drop the battery cartridge, or hit a hard object to the battery cartridge.
   Such conduct may result in a fire, excessive heat, or explosion.
9. Do not use a damaged battery.
10. The contained lithium-ion batteries are subject to the Dangerous Goods Legislation requirements. For commercial transports e.g. by third parties and forwarding agents, the special requirements on packaging and labeling must be observed. For the preparation of the item being shipped, consulting an expert for hazardous material is required.
    Please also observe possibly more detailed national regulations. Tape or mask off open contacts and pack up the battery in such a manner that it cannot move around in
    the packaging.
11. When disposing of the battery cartridge, remove it from the tool and dispose of it in a safe place. Follow your local regulations relating to the disposal of batteries.
12. Use the batteries only with the products specified by Makita.
    Installing the batteries to non-compliant products may result in a fire, excessive heat, explosion, or leak of electrolyte.
13. If the tool is not used for a long period of time, the battery must be removed from the tool.
14. During and after use, the battery cartridge may take on heat which can cause burns or low-temperature burns.
    Pay attention to the handling of hot battery cartridges.
15. Do not touch the terminal of the tool immediately after use as it may get hot enough to cause burns.
16. Do not allow chips, dust, or soil to stuck into the terminals, holes, and grooves of the battery cartridge.
    It may cause heating, catching fire, burst, and malfunction of the tool or battery cartridge, resulting in burns or personal injury.
17. Unless the tool supports the use of near high-voltage electrical power lines, do not use the battery cartridge near high-voltage electrical power lines. It may result in a malfunction or breakdown of the tool or battery cartridge.
18. Keep the battery away from children.

SAVE THESE INSTRUCTIONS.

CAUTION: Only use genuine Makita batteries. Use of non-genuine Makita batteries, or batteries that have been altered, may result in the battery bursting causing fires, personal injury and damage. It will also void the Makita warranty for the Makita tool and charger.

Tips for maintaining maximum battery life

1. Charge the battery cartridge before completely discharged. Always stop tool operation and charge the battery cartridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge. Overcharging shortens the battery service life.
3. Charge the battery cartridge at room temperature at 10 °C- 40 °C (50 °F – 104 °F). Let a hot battery cartridge cool down before charging it.
4. When not using the battery cartridge, remove it from the tool or the charger.
5. Charge the battery cartridge if you do not use it for a long period (more than six months).

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking the function of the tool.

Installing or removing the battery cartridge (Fig. 1)

CAUTION:

• Always switch off the tool before installing or removing the battery cartridge.
• Hold the tool and the battery cartridge firmly when installing or removing the battery cartridge. Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery cartridge and a personal injury.

To remove the battery cartridge, slide it from the tool while sliding the button on the front of the cartridge.
To install the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Insert it all the way until it locks in place with a little click. If you can see the red indicator on the upper side of the button, it is not locked completely.

CAUTION:

• Always install the battery cartridge fully until the red indicator cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone
  around you.
• Do not install the battery cartridge forcibly. If the cartridge does not slide in easily, it is not being inserted correctly.

Tool/battery protection system
The tool is equipped with a tool/battery protection system.
This system automatically cuts off the power to extend tool and battery life. The tool will automatically stop during operation if the tool or battery is placed under one of the
following conditions:

Overload protection
This protection works when the tool is operated in a manner that causes it to draw an abnormally high current.
In this situation, turn the tool off and stop the application that caused the tool to become overloaded. Then turn the tool on to restart.

Overheat protection
This protection works when the tool or battery is overheated.
In this situation, let the tool and battery cool before turning the tool on again.

Over-discharge protection
This protection works when the remaining battery capacity gets low. In this situation, remove the battery from the tool and charge the battery.

Indicating the remaining battery capacity (Fig. 2)
Only for battery cartridges with the indicator
Press the check button on the battery cartridge to indicate the remaining battery capacity. The indicator lamps light up for a few seconds.

015658

NOTE:

• Depending on the conditions of use and the ambient temperature, the indication may differ slightly from the actual capacity.
• The first (far left) indicator lamp will blink when the battery protection system works.

Switch action and speed adjusting button (Fig. 3)
To start the tool, press the start/speed adjusting button.
The tool starts with high-speed mode. Each time you press the start/speed adjusting button, and the speed mode changes in an order of hi-speed, middle speed, and low speed.

To stop the tool, press the stop button.
Refer to the table for the relationship between the speed mode and the kind of work.

012897

NOTE:

• The table shows standard applications. They may differ under certain conditions.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool.

Installing abrasive disc (Fig. 4)
To install the abrasive disc, first, remove all dirt or foreign matter from the pad. Then attach the abrasive disc to the pad. Be careful to align the holes in the abrasive disc with
those in the pad.

Installing dust bag (optional accessory) (Fig. 5)
Install the dust bag on the tool with its mouth directing downwards.

Emptying dust bag (Fig. 6 & 7)
When the dust bag is about half full, switch off the tool, and remove the dust bag from the tool. Then remove the dust nozzle from the dust bag after unlocking the dust nozzle by turning it slightly counterclockwise. Empty the dust bag by tapping it lightly.
After emptying the dust bag, install the dust nozzle on the dust bag. Turn the dust nozzle slightly clockwise to lock it in place. Then install the dust bag on the tool as described in “Installing dust bag”.

Installing a paper filter bag (optional accessory) (Fig. 8 & 9)
Make sure that the logo on the cardboard lip and the logo on the dust box is on the same side, then install the paper filter bag by fitting the cardboard lip in the groove of each holding tab.
Make sure that the logo on the cardboard lip and the logo on the dust nozzle is on the same side, then install the dust nozzle on the dust box.

Removing dust box and paper filter bag (Fig. 10 & 11)
Remove the dust nozzle by pushing the two latches. Remove the paper filter bag first by pinching the logo side of its cardboard lip, then by pulling the cardboard lip downwards to move it out of the holding tab of the dust box.

Removing and reinstalling the skirt (Fig. 12, 13 & 14)

CAUTION:

• Do not use the tool without the skirt. Otherwise, dust is scattered all over.

You can choose one of the 12 directions of the skirt in accordance with your purpose.
To remove the skirt, remove the screw and remove the skirt by slightly opening it on both sides.
To reinstall the skirt, install it by slightly opening it on both sides. And fasten the screw.

CAUTION:

• Do not set the skirt other than the designated angle.
  Otherwise, the tool may be damaged.

OPERATION

WARNING:

• Never switch on the tool when it is in contact with the workpiece, it may cause an injury to the operator.

Sanding operation (Fig. 15)
CAUTION:

• Never run the tool without the abrasive disc. You may seriously damage the pad.
• Never force the tool. Excessive pressure may decrease the sanding efficiency, damage the abrasive disc or shorten tool life.
• Using the tool with the pad edge contacting the workpiece may damage the pad.

Hold the tool firmly. Turn the tool on and wait until it attains full speed. Then gently place the tool on the workpiece surface. Keep the pad flush with the workpiece and apply
slight pressure on the tool.

CAUTION:

• The sanding pad rotates clockwise during the loaded operation, but it may rotate counterclockwise during the no-load operation.
  Polishing operation (optional)

CAUTION:

•  Use only a Makita genuine sponge pad, felt pad or wool pad (optional accessories).
• Always operate the tool at low speed to prevent work surfaces from heating abnormally.
• Never force the tool. Excessive pressure may decrease the polishing efficiency and cause motor overload, resulting in tool malfunction.

1. Applying wax (Fig. 16)
   Use an optional sponge pad. Apply wax to the sponge pad or work surface. Run the tool at a low speed to smooth out the wax.

NOTE:

• First, wax a not conspicuous portion of the work surface to make sure that the tool will not scratch the surface or result in uneven waxing.
• The tool starts with high-speed mode. Be careful when you start the tool. The wax may be spattered. It is recommended that you spread wax with the tool stopped before
  starting up the tool. Change the speed mode to low immediately after you start the tool.
• Always run the tool at low speed. Running it at high speed may cause the wax to spatter.

2. Removing wax (Fig. 17)
Use an optional felt pad. Run the tool at low speed to remove wax.
3. Polishing (Fig. 18)
Use an optional wool pad. Run the tool at low speed and apply the wool pad gently to the work surface.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance.
• Never use gasoline, benzene, thinner, alcohol, or the like. Discoloration, deformation, or cracks may result.

To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspection, and replacement, any other maintenance or adjustment should be performed by
Makita Authorized Service Centers, always use Makita replacement parts.

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 with more details regarding these accessories, ask your local Makita Service Center.
• Hook-and-loop type abrasive discs (with pre-punched holes)
• Hook-and-loop type sponge pad
• Hook-and-loop type felt pad
• Hook-and-loop type wool pad
• Makita genuine battery and charger
• Dust box
• Paper filter bag
• Dust bag

NOTE:

• Some items in the list may be included in the tool package as standard accessories. They may differ from country to country.

ENG905-1
Noise
The typical A-weighted noise level is determined according to EN62841-2-4:

Model DBO140
Sound pressure level (LpA): 78 dB (A)
Uncertainty (K): 3 dB (A)
The noise level under working may exceed 80 dB (A).

Model DBO180
Sound pressure level (LpA): 77 dB (A)
Uncertainty (K): 3 dB (A)
The noise level under working may exceed 80 dB (A).

ENG907-1
NOTE:

• The declared noise emission value(s) has been measured in accordance with a standard test method and may be used for comparing one tool with another.
• The declared noise emission value(s) may also be used in a preliminary assessment of exposure.

WARNING:

• Wear ear protection.
• The noise emission during the actual use of the power of the tool can differ from the declared value(s) depending on the ways in which the tool is used especially what kind of
  the workpiece is processed.
• Be sure to identify safety measures to protect the operator that are based on an estimation of exposure in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).

ENG900-1
Vibration
The vibration total value (tri-axial vector sum) is determined according to EN62841-2-4:

Model DBO140
Work mode: sanding metal plate
Vibration emission (ah): 2.5 m/s² or less
Uncertainty (K): 1.5 m/s²

Model DBO180
Work mode: sanding metal plate
Vibration emission (ah): 2.5 m/s² or less
Uncertainty (K): 1.5 m/s²

ENG901-2
NOTE:

• The declared vibration total value(s) has been measured in accordance with a standard test method and may be used for comparing one tool with another.
• The declared vibration total value(s) may also be used in a preliminary assessment of exposure.

WARNING:

• The vibration emission during actual use of the power tool can differ from the declared value(s) depending on the ways in which the tool is used especially what kind of workpiece is processed.
• Be sure to identify safety measures to protect the operator that is based on an estimation of exposure in the actual conditions of use (taking account of all parts of the
  operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).

EC DECLARATION OF CONFORMITY

For European countries only
The EC declaration of conformity is included as Annex A to this instruction manual.

Makita Europe N.V.
Jan-Baptist Vinkstraat 2,
3070 Kortenberg, Belgium

Makita Corporation
3-11-8, Sumiyoshi-Cho,
Anjo, Aichi 446-8502 Japan

885259C995
www.makita.com