1. Ifihan
The Skil 5402 Circular Saw, with 1400 Watts of power, is engineered for efficient cutting of wood and its derivatives. This manual provides essential information for the safe and effective use, setup, and maintenance of your tool. Please read it thoroughly before operation.

Figure 1: Skil 5402 Circular Saw, main view.
2. Alaye Aabo
Always prioritize safety when operating power tools. Failure to follow safety instructions can result in serious injury.
Awọn Itọsọna Aabo Gbogbogbo:
- Wọ ohun elo aabo ti ara ẹni ti o yẹ (PPE), pẹlu awọn gilaasi ailewu, aabo igbọran, ati awọn ibọwọ.
- Rii daju pe agbegbe iṣẹ rẹ jẹ mimọ, ti tan daradara, ati laisi awọn idiwọ.
- Jeki awọn ọmọde ati awọn alafojusi kuro lakoko ti o nṣiṣẹ ọpa.
- Ma ṣe ṣiṣẹ awọn irinṣẹ agbara ni awọn bugbamu bugbamu, gẹgẹbi niwaju awọn olomi ina, gaasi, tabi eruku.
- Always unplug the saw before making any adjustments, changing accessories, or storing the tool.
- The Skil 5402 features an anti-involuntary activation switch to prevent accidental starting. Always engage this safety feature when not actively cutting.
- Ensure the retractable blade guard functions correctly and is not obstructed.
3. Awọn irinše To wa
Your Skil 5402 Circular Saw package includes the following items:
- 1 Skil 5402 Circular Saw
- 1 Ilana itọnisọna
- 1 Premium 24-tooth Blade
- 1 Kokoro Allen
- 1 Parallel Guide

Figure 2: Skil 5402 Circular Saw with its standard accessories.
4. Eto
Proper setup ensures safe and accurate operation.
4.1. Blade fifi sori
- Rí i dájú pé a ti yọ gíláàsì náà kúrò láti orísun agbára.
- Press and hold the spindle lock button to prevent the shaft from rotating.
- Use the provided Allen key to loosen the blade retaining screw.
- Carefully remove the outer flange and old blade (if applicable).
- Place the new 24-tooth premium blade onto the spindle, ensuring the teeth are oriented correctly for cutting (usually indicated by an arrow on the blade matching the saw's rotation direction).
- Replace the outer flange and tighten the blade retaining screw firmly with the Allen key while holding the spindle lock button.

olusin 3: Apa view of the circular saw, highlighting the blade area for installation.
4.2. Atunse Ijinle
The cutting depth can be adjusted up to 65mm. For optimal safety and cut quality, set the blade depth so that only one or two teeth extend below the workpiece.
- Tutu lefa atunṣe ijinle.
- Gbé ìpìlẹ̀ gígún sókè tàbí kí o dínkù láti dé ìwọ̀n gígún tí a fẹ́.
- Mu lefa atunṣe ijinle naa ni aabo.
4.3. Atunse igun
The saw allows for bevel cuts up to 45°.
- Ṣii bọtini atunṣe bevel naa.
- Tilt the saw base to the desired angle (up to 45°).
- Mu bọtini atunṣe bevel di ṣinṣin.
5. Awọn ilana Iṣiṣẹ
Follow these steps for safe and effective operation of your circular saw.
5.1. Starting the Saw
- Rii daju pe workpiece wa ni aabo clamped.
- Hold the saw firmly with both hands, utilizing the robust auxiliary handle for stability.
- Press the anti-involuntary activation switch, then squeeze the trigger to start the saw.
- Gba abẹfẹlẹ laaye lati de iyara ni kikun ṣaaju ki o to bẹrẹ gige naa.
5.2. Ṣiṣe Ge
- Gently guide the saw into the workpiece, maintaining a steady, consistent feed rate. Do not force the saw.
- The efficient dust ejection system will direct sawdust away from the user.
- Use the parallel guide for straight and accurate cuts.
- Ni kete ti gige naa ti pari, tu okunfa naa silẹ ki o jẹ ki abẹfẹlẹ naa duro patapata ṣaaju ki o to gbe riran naa lati ibi iṣẹ.

Figure 4: Proper technique for operating the circular saw.

Nọmba 5: Alaye view of the blade during a cut.
5.3. Video Demonstration: Smooth Cutting Techniques
Video 1: This video demonstrates techniques for achieving smooth cuts and avoiding wood jamming, which can be helpful for optimizing your circular saw's performance.
6. Itọju
Regular maintenance ensures the longevity and optimal performance of your Skil 5402 Circular Saw.
6.1. Ninu
- After each use, unplug the saw and clean off sawdust and debris from the tool, especially around the blade guard and motor vents.
- Use a soft brush or compressed air for cleaning. Do not use solvents or abrasive cleaners.

Figure 6: The saw's efficient dust ejection system helps keep the work area clean.
6.2. Erogba fẹlẹ Rirọpo
The carbon brushes are easily accessible for simple and quick replacement when worn. Refer to the detailed instructions in the full manual for the specific procedure.
6.3. Abojuto abẹfẹlẹ
- Regularly inspect the blade for sharpness and damage. A dull or damaged blade can cause kickback and poor cut quality.
- Replace worn blades promptly with appropriate replacements, such as the included 24-tooth premium blade.
7. Laasigbotitusita
Abala yii n ṣalaye awọn ọran ti o wọpọ ti o le ba pade pẹlu wiwa ipin rẹ.
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Rin ko bẹrẹ | No power supply; Anti-involuntary activation switch not engaged; Worn carbon brushes | Check power connection; Ensure safety switch is pressed before trigger; Replace carbon brushes. |
| Poor cut quality / Saw binding | Dull or incorrect blade; Incorrect cutting depth; Workpiece not secured; Forcing the saw | Replace blade; Adjust cutting depth; Secure workpiece; Reduce feed rate. |
| Gbigbọn ti o pọju | Abẹ́ tútù; Abẹ́ tí ó bàjẹ́; Ìṣòro mọ́tò | Tighten blade screw; Replace blade; Contact service center if motor issue suspected. |
8. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Brand | Bosch (Skil) |
| Nọmba awoṣe | F0125402JA |
| Agbara | 1400 Wattis |
| Voltage | 220 Volts |
| Blade elo | Irin iyara to gaju |
| Nọmba ti Eyin | 24 |
| Max Ige Ijinle | 65 mm |
| Max Bevel igun | Awọn iwọn 45 |
| Niyanju dada | Igi |
| Awọn Iwọn Nkan (L x W x H) | 35.5 x 24.5 x 22.5 cm |
| Iwọn Nkan | 4.83 kilo |
9. Atilẹyin ọja ati Support
The Skil 5402 Circular Saw comes with a comprehensive warranty to ensure your peace of mind.
9.1. atilẹyin ọja Information
Ọja yii pẹlu a 2-odun atilẹyin ọja against manufacturing defects and failures. Please retain your proof of purchase for warranty claims.
9.2. Onibara Support
For technical assistance, spare parts, or warranty service, please contact your local authorized Skil or Bosch service center. Refer to the contact information provided in the packaging or on the official Bosch webojula.