1. Ro-ràdh
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. Fiosrachadh Sàbhailteachd
Thoir prìomhachas do shàbhailteachd an-còmhnaidh nuair a bhios tu ag obrachadh innealan cumhachd. Faodaidh fàilligeadh ann a bhith a’ leantainn stiùiridhean sàbhailteachd dochann mòr adhbhrachadh.
Stiùireadh Sàbhailteachd Coitcheann:
- Cuir ort uidheam dìon pearsanta (PPE) iomchaidh, a’ gabhail a-steach speuclairean sàbhailteachd, dìon-èisteachd, agus miotagan.
- Dèan cinnteach gu bheil an raon obrach agad glan, air a shoilleireachadh gu math, agus saor bho bhacaidhean.
- Cùm clann agus luchd-amhairc air falbh fhad ‘s a bhios tu ag obrachadh an inneil.
- Na obraich innealan cumhachd ann an àileachdan spreadhaidh, leithid làthaireachd lioftaichean lasanta, gasaichean no duslach.
- 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. Co-phàirtean air an toirt a-steach
Your Skil 5402 Circular Saw package includes the following items:
- 1 Skil 5402 Circular Saw
- 1 Leabhar stiùiridh
- 1 Premium 24-tooth Blade
- 1 Iuchair Allen
- 1 Parallel Guide

Figure 2: Skil 5402 Circular Saw with its standard accessories.
4. Suidhich
Proper setup ensures safe and accurate operation.
4.1. Stàladh Lann
- Dèan cinnteach gu bheil an t-sàbh air a dhì-phlugachadh bhon stòr cumhachd.
- 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.

Figear 3: Taobh view of the circular saw, highlighting the blade area for installation.
4.2. Atharrachadh Doimhneachd
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.
- Fuasgail an luamhan rèiteachaidh doimhneachd.
- Tog no ìsleaich bonn an t-sàbha gus an doimhneachd gearraidh a tha thu ag iarraidh a choileanadh.
- Teannaich luamhan atharrachaidh na doimhneachd gu tèarainte.
4.3. Atharrachadh Ceàrn
The saw allows for bevel cuts up to 45°.
- Fuasgail cnap atharrachaidh a’ chliathaich.
- Tilt the saw base to the desired angle (up to 45°).
- Dèan teannachadh air an t-snaim rèiteachaidh bevel gu daingeann.
5. Stiùireadh Obrachaidh
Lean na ceumannan seo airson obrachadh sàbhailte agus èifeachdach an t-sàbh chruinn agad.
5.1. Starting the Saw
- Dèan cinnteach gu bheil am pìos obrach gu tèarainte clampdeas.
- 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.
- Leig leis an lann ruighinn làn astar mus tòisich thu air a’ ghearradh.
5.2. A’ dèanamh gearradh
- 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.
- Cho luath ‘s a bhios an gearradh deiseil, leig às an inneal-brosnachaidh agus leig leis an lann stad gu tur mus tog thu an sàbh bhon phìos obrach.

Figure 4: Proper technique for operating the circular saw.

Figear 5: Mionaideach 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. Cumail suas
Regular maintenance ensures the longevity and optimal performance of your Skil 5402 Circular Saw.
6.1. Glanadh
- 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. Ath-chur Bruis Carbon
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. Cùram Lann
- 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. A ’dèanamh trioblaid
Tha an earrann seo a’ dèiligeadh ri cùisean cumanta a dh’ fhaodadh tu a thighinn tarsainn leis an t-sàbh chruinn agad.
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Chan eil sàbh a’ tòiseachadh | 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. |
| Crathadh cus | Lann sgaoilte; Lann millte; Cùis motair | Tighten blade screw; Replace blade; Contact service center if motor issue suspected. |
8. Sònrachaidhean
| Feart | Mion-fhiosrachadh |
|---|---|
| Brand | Bosch (Skil) |
| Modail Àireamh | F0125402JA |
| Cumhachd | 1400 watt |
| Voltage | 220 Volt |
| Stuth lann | Stàilinn luath |
| Àireamh nam Fiaclan | 24 |
| Doimhneachd gearraidh as àirde | 65 mm |
| Ceàrn Bevel Max | 45 ceum |
| An uachdar a thathar a ’moladh | Fiodh |
| Meudan nì (L x W x H) | 35.5 x 24.5 x 22.5 cm |
| Cuideam nì | 4.83 cileagram |
9. Barantas agus Taic
The Skil 5402 Circular Saw comes with a comprehensive warranty to ensure your peace of mind.
9.1. Fiosrachadh Barantais
Tha an toradh seo a ’toirt a-steach a Barantas 2-bliadhna against manufacturing defects and failures. Please retain your proof of purchase for warranty claims.
9.2. Taic teachdaiche
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 weblàrach.