makita 4105KB Dustless Cutter
Explanation of general view
- Wing nut
- Base
- Notch
- Switch Trigger
- Lock-off button
- Restart button
- Outer flange
- Thumb nut
- Socket wrench
- Wrench
- Inner flange
- Diamond wheel
- Hex bolt
- Dust spout
- Limit mark
- Brush holder cap
- Screwdriver
SPECIFICATIONS
Model 4105KB
- Wheel diameter …………………………………………… 125 mm
- Max. wheel thickness ……………………………………. 2.1 mm
- Max. cutting capacity……………………………………… 40 mm
- Rated speed (n)/No load speed (n0) ……….9,000 (min–1)
- Overall length …………………………………………….. 230 mm
- Net weight ……………………………………………………. 3.1 kg
- Safety class ……………………………………………………… /II
Due to our continuing program of research and development, the specifications herein are subject to change without notice. Specifications may differ from country to country. Weight according to EPTA-Procedure 01/2003 ENE024-1
Intended use
The tool is intended for cutting in brick and concrete without the use of water. ENF002-1
Power supply
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 a single-phase AC supply. They are double-insulated by European Standards and can, therefore, also be used from sockets without earth wire. GEA010-1
General Power Tool Safety Warnings
WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury. Save all warnings and instructions for future reference.
GEB069-5
CUTTER SAFETY WARNINGS
- The guard provided with the tool must be securely attached to the power tool and positioned for maximum safety so that the least amount of wheel is exposed to the operator.
- Position yourself and bystanders away from the plane of the rotating wheel. The guard helps to protect the operator from broken wheel fragments and accidental contact with the wheel.
- Use only diamond cut-off wheels for your power tool. Just because the accessory can be attached to your power tool, it does not assure safe operation.
- The rated speed of the accessory must be at least equal to the maximum speed marked on the power tool. Accessories running faster than their rated speed can break and fly apart.
- Wheels must be used only for recommended applications. For example: do not grind with the side of the cut-off wheel.
- Abrasive cut-off wheels are intended for peripheral grinding, side forces applied to these wheels may cause them to shatter.
- Always use undamaged wheel flanges that are of the correct diameter for your selected wheel. Proper wheel flanges support the wheel thus reducing the possibility of wheel breakage.
- The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized accessories cannot be adequately guarded or controlled.
- The arbor size of wheels and flanges must properly fit the spindle of the power tool.
- Wheels and flanges with arbor holes that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively, and may cause loss of control.
- Do not use damaged wheels. Before each use, inspect the wheels for chips and cracks.
- If a power tool or wheel is dropped, inspect for damage or install an undamaged wheel.
- After inspecting and installing the wheel, position yourself and bystanders away from the plane of the rotating wheel and run the power tool at maximum no-load speed for one minute.
- Damaged wheels will normally break apart during this test time.
- Wear personal protective equipment.
- Depending on the application, use a face shield, safety goggles, or safety glasses.
- As appropriate, wear a dust mask, hearing protectors, gloves, and a shop apron capable of stopping small abrasive or workpiece fragments.
- The eye protection must be capable of stopping flying debris generated by various operations.
- The dust mask or respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high-intensity noise may cause hearing loss.
- Keep bystanders a safe distance away from the work area. Anyone entering the work area must wear personal protective equipment.
- Fragments of workpiece or a broken wheel may fly away and cause injury beyond the immediate area of operation.
- Hold the power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring or its cord.
- Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
- Position the cord clear of the spinning accessory. If you lose control, the cord may be cut or snagged and your hand or arm may be pulled into the spinning wheel.
- Never lay the power tool down until the accessory has come to a complete stop. The spinning wheel may grab the surface and pull the power tool out of your control.
- Do not run the power tool while carrying it at your side. Accidental contact with the spinning accessory could snag your clothing, pulling the accessory into your body.
- Regularly clean the power tool’s air vents. The motor’s fan will draw dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards.
- Do not operate the power tool near flammable materials. Sparks could ignite these materials.
- Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock.
Kickback is a sudden reaction to a pinched or snagged rotating wheel. Pinching or snagging causes rapid stalling of the rotating wheel which in turn causes the uncontrolled power tool to be forced in the direction opposite of the wheel’s rotation at the point of the binding. For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out. The wheel may either jump toward or away from the operator, depending on the direction of the wheel’s movement at the point of pinching. Abrasive wheels may also break under these conditions.
Kickback is the result of power tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below. Maintain a firm grip on the power tool and
position your body and arm to allow you to resist kickback forces. Always use an auxiliary handle, if provided, for maximum control over kickback or torque reaction during startup. The operator can control torque reactions or kickback forces if proper precautions are taken. Never place your hand near the rotating accessory.
The accessory may kick back over your hand. Do not position your body in line with the rotating wheel. Kickback will propel the tool in a direction opposite to the wheel’s movement at the point of snagging. Use special care when working corners, sharp edges, etc. Avoid bouncing and snagging the accessory. Corners, sharp edges, or bouncing tend to snag the rotating accessory and cause loss of control or kickback. Do not attach a saw chain, woodcarving blade, a segmented diamond wheel with a peripheral gap greater than 10 mm, or a toothed saw blade. Such blades create frequent kickbacks and loss of control.
Do not “jam” the wheel or apply excessive pressure. Do not attempt to make an excessive depth of cut. Overstressing the wheel increases the loading and susceptibility to twisting or binding of the wheel in the cut and the
possibility of kickback or wheel breakage. When the wheel is binding or when interrupting a cut for any reason, switch off the power tool and hold the power tool motionless until the wheel comes to a complete stop. Never attempt to remove the wheel from the cut while the wheel is in motion otherwise kickback may occur. Investigate and take corrective action to eliminate the cause of wheel binding.
Do not restart the cutting operation in the workpiece. Let the wheel reach full speed and carefully re-enter the cut. The wheel may bind, walk up, or kick back if the power tool is restarted in the workpiece. Support panels or any oversized workpiece to minimize the risk of wheel pinching and kickback. Large workpieces tend to sag under their weight. Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both sides of the wheel.
Use extra caution when making a “pocket cut” into existing walls or other blind areas. The protruding wheel may cut gas or water pipes, electrical wiring, or objects that can cause kickback. Before using a segmented diamond wheel, make sure that the diamond wheel has a peripheral gap between segments of 10 mm or less, only with a negative rake angle.
Additional Safety Warnings
Never attempt to cut with the tool held upside down in a vise. This can lead to serious accidents because it is extremely dangerous. 20. Some material contains chemicals that may be toxic. Take caution to prevent dust inhalation and skin contact. Follow material supplier safety data.
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.
FUNCTIONAL DESCRIPTION
CAUTION
Always be sure that the tool is switched off and unplugged before adjusting or checking the function of the tool.
Adjusting the depth of cut (Fig. 1)
Loosen the wing nut on the depth guide and move the base up or down. At the desired depth of cut, secure the base by tightening the wing nut.
CAUTION
After adjusting the depth of the cut, always tighten the wing nut securely.
Sighting (Fig. 2)
Align the notch in the front of the base with your cutting line on the workpiece. Switch action (Fig. 3 & 4)
CAUTION
Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the “OFF” position when released. For the tool with a lock-off button To prevent the switch trigger from being accidentally pulled, a lock-off button is provided. To start the tool, depress the lock-off button and pull the switch trigger. Release the switch trigger to stop.
CAUTION
Do not pull the switch trigger hard without pressing the lock-off button. This can cause switch breakage. For tools without a lock-off button To start the tool, simply pull the switch trigger. Release the switch trigger to stop. Overload protector (Fig. 5) The overload protector automatically cuts out to break the circuit and the button pops out, whenever heavy work is prolonged. Wait 20 – 30 seconds before pressing the restart button to resume operation. Your finger should not be on the switch trigger when you press the restart button, however.
ASSEMBLY
CAUTION
Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Installing or removing the diamond wheel (Fig. 6, 7 & 8) Loosen the thumb nut, lower the base, and tighten the
thumb nut in that position. Fit the socket wrench onto the hex bolt and turn the diamond wheel until two flatted parallel surfaces of the outer flange reach the direction in which the wrench can be inserted. To install the wheel, follow the removal procedure in reverse. Always install the wheel so that the arrow on the wheel points in the same direction as the arrow on the blade case.
BE SURE TO TIGHTEN THE HEX BOLT SECURELY.
CAUTION
Use only the Makita wrench to install or remove the wheel. Dust bag (Fig. 9) The use of the dust bag makes cutting operations clean and dust collection easy. To attach the dust bag, fit it onto the dust spout. When the dust bag is about one-third full, remove the dust bag from the tool and pull the fastener out. Empty the dust bag of its contents, tapping it lightly to remove particles adhering to the insides which might hamper collection.
OPERATION
CAUTION
Be sure to move the tool forward in a straight line and gently. Forcing and exerting excessive pressure or allowing the wheel to bend, pinch, or twist in the cut can cause overheating of the motor and dangerous kickback of the tool. Hold the tool firmly. Set the base plate on the workpiece to be cut without the wheel making any contact. Then turn the tool on and wait until the wheel attains full speed. Move the tool forward over the workpiece surface, keeping it flat and advancing smoothly until the cutting is completed. Keep your cutting line straight and your speed of advance uniform. (Fig. 10)
MAINTENANCE
CAUTION
- Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance.
- Never use gasoline, benzene, thinner, alcohol, or the like. Discoloration, deformation, or cracks may result.
Dressing diamond wheel
If the cutting action of the diamond wheel begins to diminish, use an old discarded coarse-grit bench grinder wheel or concrete block to dress the diamond wheel. To do this, tightly secure the bench grinder wheel or concrete block and cut in it.
After use
Blow away dust from the inside of the tool by running the tool at an idle for a while. Brush off the accumulation of dust on the base. Accumulation of dust in the motor or on the base may cause a malfunction of the tool.
Replacing carbon brushes (Fig. 11 & 12) Remove and check the carbon brushes regularly. Replace them when they wear down to the limit mark. Keep the carbon brushes clean and free to slip into the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes. Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones, and secure the brush holder caps. To maintain product SAFETY and RELIABILITY, repairs, and any other maintenance or adjustment should be performed by Makita Authorized Service Centers, always using 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.
- Diamond wheels (Dry type)
- Hex wrench 5
- Wrench 22
- Rip fence (Guide rule)
- Safety goggles
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 EN60745:
- Sound pressure level (LpA): 102 dB (A)
- Sound power level (LWA): 113 dB (A)
- Uncertainty (K): 3 dB (A)
Wear ear protection
ENG900-1
Vibration
The vibration total value (tri-axial vector sum) determined according to EN60745:
- Work mode: concrete cutting
- Vibration emission (ah): 5 m/s2
- Uncertainty (K): 1.5 m/s2
ENG901-1
- The declared vibration emission value has been measured by the standard test method and may be used for comparing one tool with another.
- The declared vibration emission value may also be used in a preliminary assessment of exposure.
WARNING
The vibration emission during the actual use of the power of the tool can differ from the declared emission value depending on how the tool is used. 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).
ENH101-16
For European countries only
EC Declaration of Conformity
We Makita Corporation as the responsible manufacturer declare that the following Makita machine(s):
Designation of Machine: Dustless Cutter
Model No./Type: 4105KB is of series production and Conforms to the following European Directives: 2006/42/EC
And are manufactured by the following standards or standardized documents:
EN60745
The technical documentation is kept by:
Makita International Europe Ltd.
Technical Department, Michigan Drive, Tongwell, Milton Keynes, Bucks, MK15 8JD, England 30.1.2009
Tomoyasu Kato Director
Makita Corporation
3-11-8, Sumiyoshi-cho,
Anjo, Aichi, 446-8502, JAPAN
Documents / Resources
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makita 4105KB Dustless Cutter [pdf] Instruction Manual 4105KB Dustless Cutter, 4105KB, Dustless Cutter, Cutter |
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