Description
The Yato 18V cordless reciprocating saw uses 18 V direct current (d.c.) as its power source and a 4000 mAh Li-Ion battery supplied as standard. The key performance figures of the saw are its 0–3000 min⁻¹ stroke rate combined with a 22 mm stroke length, which allows efficient material removal. The 1/2″ (12.7 mm) standard chuck supplied as standard ensures mechanical compatibility with the most common reciprocating saw blades on the market, whatever the manufacturer. The total weight of the tool has been kept to a minimum, as the saw body itself weighs only 1.5 kg.
For power transmission and the motor, the device uses brushless motor technology (no carbon brushes). The brushless design eliminates physical friction between the rotor and stator, which lowers the heat load of the device and improves the efficiency of the 18 V battery compared with a traditional carbon brush motor, extending run time. The control electronics of the tool support mechanical stroke rate control through the trigger response, without separate electronic speed preselection. The device also has an integrated battery charge indicator for accurate electrical power monitoring.
The cutting capacity is mechanically calibrated according to material density; the certified maximum cutting depth of the device in wood is 150 mm and the corresponding maximum depth in metal is 6 mm. The structural electrical safety meets the insulation class III requirements. During work, the acoustic emission of the system produces a sound pressure (LpA) of 87.3 ± 5.0 dB(A) and a sound power level (LwA) of 95.3 ± 5.0 dB(A), which requires the use of professional protective equipment.
The mechanical enclosure rating of the tool body is IPX0, which means it is not protected against water ingress. Mechanical vibration exposure at the handles varies at a level of 7.2 ± 1.5 / 9.4 ± 1.5 m/s² depending on the material being cut and the blade used. The kit includes a fast charger that brings the 4.0 Ah capacity battery in the package to maximum charge in exactly 2 hours.
Intended use and suitability:
The 18V voltage and brushless motor design of the device suit mobile installation work and mechanical demolition. The device’s weight of 1.5 kg allows safe operation in work steps above head height.
- Structural demolition work: The 22 mm stroke length and 150 mm maximum capacity in wood allow efficient cutting of battens, structural timber and partition walls at demolition sites.
- HVAC and pipe installation: The 6 mm cutting capacity in metal suits cutting steel pipes, copper pipes and mounting rails directly on site.
- Field work without mains power: The 4.0 Ah Li-Ion battery combined with 2-hour fast charging provides an autonomous power supply at sites where no fixed mains supply is available.
Package contents:
The product package with code YT-828151 is supplied as a ready-to-use set.
- Yato cordless reciprocating saw YT-828151
- 18V 4.0 Ah Li-Ion battery
- Battery charger (2-hour charging time)
Features:
The key features of the device are based on minimising motor friction and on standardised mechanical connections.
- Brushless motor technology: Eliminates the mechanical friction of the rotor, which lowers the heat load and optimises the discharge cycle of the 18V battery.
- Standard 1/2″ (12.7 mm) blade chuck: Allows all industry-standard reciprocating saw blades to be fitted, whatever the blade manufacturer.
- Stepless speed control: Allows stepless control of the stroke rate (0-3000 min⁻¹) directly by physical pressure on the trigger.
- Battery charge indicator: Allows real-time visual monitoring of the remaining charge, which prevents unexpected work interruptions.
Technical specifications:
A precise numerical breakdown of the device’s mechanical and electrical values.
- Operating voltage: 18 V d.c..
- Battery type and capacity: Li-Ion, 4000 mAh.
- Stroke rate: 0-3000 min⁻¹.
- Stroke length: 22 mm.
- Maximum cutting depth (wood): 150 mm.
- Maximum cutting depth (metal): 6 mm.
- Blade fitting: 1/2″ (12.7 mm) standard.
- Weight (without blade): 1.5 kg.
- Charging time: 2 h.
- Sound pressure (LpA): 87.3 ± 5.0 dB(A).
- Sound power (LwA): 95.3 ± 5.0 dB(A).
- Vibration level: 7.2 ± 1.5 / 9.4 ± 1.5 m/s².
- Insulation class: Class III.
- Enclosure rating: IPX0.
Yato YT-828151 instructions for use:
Precise mechanical steps for safe operation of the device.
- 1. Fitting the blade: For safety, always remove the 18V battery from the saw body before fitting the blade. Turn the quick-release chuck, push the shank of the 1/2″ blade all the way into the chuck and release the quick-release chuck to make sure it locks mechanically.
- 2. Connecting the power: Use the charger to make sure the 4.0Ah battery is fully charged (2-hour cycle). Push the battery into the slide rail at the bottom of the handle until an audible click confirms that it has locked mechanically.
- 3. Cutting process: Place the metal shoe of the saw firmly against the material being cut to stop vibration transferring to the tool. Adjust the stroke rate (0-3000 min⁻¹) steplessly with the physical pressure of your finger on the trigger.
- 4. Maintenance: Remove the battery immediately when the work step is finished. Clean mechanical dust out of the motor ventilation openings and the 1/2″ blade chuck with compressed air to ensure adequate ventilation.
Warnings:
Critical technical warnings to ensure electrical and occupational safety.
- Noise exposure: The tool produces a sound power of 95.3 dB(A) when running. Hearing protection that meets the standards is absolutely mandatory to avoid permanent hearing damage.
- Vibration exposure: The tool’s vibration level of 9.4 m/s² requires continuous monitoring of exposure time in long demolition work to prevent circulatory disorders.
- Electrical safety: Enclosure rating IPX0 offers no protection against water ingress. Exposing the tool to rain or moisture causes a risk of short circuit.
- Hidden structures: Check behind closed wall structures with suitable equipment before cutting through, to prevent accidentally cutting live cables.
Frequently asked questions (FAQ):
- Do saw blades from other manufacturers fit the Yato YT-828151 saw? Yes, the device has an industry-standard 1/2″ (12.7 mm) blade chuck that is mechanically compatible with all standard blades, whatever the brand.
- How long does it take to charge the supplied battery from empty to full? A full charging cycle with the fast charger and 4000 mAh Li-Ion battery supplied in the package takes exactly 2 hours.
- Does this product code include the battery and charger, or is the body supplied alone? Product number YT-828151 is supplied as a ready-to-use set that includes, in addition to the reciprocating saw body, one 18V 4.0Ah Li-Ion battery and a matching charger. The body-only model is available under product number YT-828152.
- What is the maximum capacity and stroke length of the saw in demolition work? The 22 mm stroke length of the saw allows a maximum cutting capacity of 150 mm in wood materials and 6 mm in metal profiles.
Recycling instructions:
Recycling instructions by material in line with the regulations for industrial and professional use.
- Saw body and charger: A device containing electronic components and a motor must be taken to an official collection point for waste electrical and electronic equipment (WEEE) at the end of its life. Do not dispose of the device as mixed waste.
- Li-Ion battery: The 18V lithium-ion battery contains reactive materials. Tape the mechanical terminals of the battery to prevent short circuits and return it to an approved battery collection point.
- Packaging materials: Sort the cardboard delivery packaging of the device into cardboard collection and the protective plastics of the components into plastic collection for reuse.
