2ENGLISHSPECIFICATIONS• Due to our continuing programme of research and development, the specifications herein are subject to changewithout notice.• Note: Specifications may differ from country to country.GENERAL SAFETY RULESUSA002-2(For All Tools)WARNING:Read and understand all instructions.Failure to follow all instructions listed below,may result in electric shock, fire and/orserious personal injury.SAVE THESE INSTRUCTIONSWork Area1. Keep your work area clean and well lit. Clutteredbenches and dark areas invite accidents.2. Do not operate power tools in explosive atmo-spheres, such as in the presence of flammableliquids, gases, or dust. Power tools create sparkswhich may ignite the dust or fumes.3. Keep bystanders, children, and visitors awaywhile operating a power tool. Distractions cancause you to lose control.Electrical Safety4. Double insulated tools are equipped with apolarized plug (one blade is wider than theother.) This plug will fit in a polarized outlet onlyone way. If the plug does not fit fully in the outlet,reverse the plug. If it still does not fit, contact aqualified electrician to install a polarized outlet.Do not change the plug in any way. Double insula-tion eliminates the need for the three wiregrounded power cord and grounded power supplysystem.5. Avoid body contact with grounded surfacessuch as pipes, radiators, ranges and refrigera-tors. There is an increased risk of electric shock ifyour body is grounded.6. Do not expose power tools to rain or wet condi-tions. Water entering a power tool will increase therisk of electric shock.7. Do not abuse the cord. Never use the cord tocarry the tools or pull the plug from an outlet.Keep cord away from heat, oil, sharp edges ormoving parts. Replace damaged cords immedi-ately. Damaged cords increase the risk of electricshock.8. When operating a power tool outside, use anoutdoor extension cord marked “W-A” or “W”.These cords are rated for outdoor use and reducethe risk of electric shock.Personal Safety9. Stay alert, watch what you are doing and usecommon sense when operating a power tool. Donot use tool while tired or under the influence ofdrugs, alcohol, or medication. A moment of inat-tention while operating power tools may result inserious personal injury.10. Dress properly. Do not wear loose clothing orjewelry. Contain long hair. Keep your hair, cloth-ing, and gloves away from moving parts. Looseclothes, jewelry, or long hair can be caught in mov-ing parts.11. Avoid accidental starting. Be sure switch is offbefore plugging in. Carrying tools with your fingeron the switch or plugging in tools that have theswitch on invites accidents.12. Remove adjusting keys or wrenches before turn-ing the tool on. A wrench or a key that is leftattached to a rotating part of the tool may result inpersonal injury.13. Do not overreach. Keep proper footing and bal-ance at all times. Proper footing and balanceenables better control of the tool in unexpected situ-ations.14. Use safety equipment. Always wear eye protec-tion. Dust mask, non-skid safety shoes, hard hat, orModel 4131Balde diameter 185 mm (7-1/4”)Max. cutting capacity 63 mm (2-1/2”)No load speed (RPM) 3,500/min.Overall length 358 mm (14-1/8”)Net weight 4.8 kg (10.6 lbs)