Husqvarna 50 用户手册

• Read and understand instructions before operating saw.

• Always wear safety approved hearing, eye, head and 

  respiratory protection.

• Wear boots with non-slip soles to provide proper footing.         

  Steel-toed safety boots are recommended.

• Wear rubber work gloves to avoid contact with wet concrete  

  which can cause serious skin irritation.

• Know how to stop the saw quickly in case of emergency.

• Keep all parts of your body away from blade and other 

  moving parts. Do not wear loose clothing or jewelry which     

  can be caught in moving parts. Wear protective hair covering  

  to contain long hair.

• Avoid body contact with grounded surfaces such as    

  pipes, metal conduit, ductwork, or rebar.

• Stay alert. Maintain awareness of saw operation. Use  

  common sense. Do not operate saw when tired or after  

  consumption of any substance that would impair physical  

  function or rational judgment.

• Do not over reach. Keep proper footing and balance.

• Never operate the saw in any application or job where you  

  are not trained or supervised.

• Keep visitors, children and animals out of the work area.

• Keep all body parts and foreign material away from the 

  electric motor while running.

• Avoid dangerous environments. Do not use the saw in damp  

  or wet locations. Do not expose saw to rain. Keep work area  

  well lit and clean.

• Do not operate saw in areas with flammable liquids, gases,  

  dust or other explosive atmospheres.

• Do not operate the saw in areas of combustible material or  

  fumes. Sparks may occur from the saw that could cause a  

  fire or explosion.

• Do not abuse the cord. Never carry the saw by the cord or  

  jerk the cord from an outlet. Keep cord away from heat, oil  

  sharp edges, or moving parts.

• Double insulated tools are equipped with a polarized plug  

  (one blade is wider than the other). This plug will fit in a 

  polarized outlet only one way. Do not change the plug.

• Do not leave saw unattended while the electric motor is 

  running. 

• Do not alter the saw. Any alteration or modification is misuse  

  and may result in a dangerous condition.

• All safety guards must be in place before starting saw.

• Avoid accidental starting. Be sure switch is “OFF” before  

  plugging in. Do not use saw if switch does not turn it “ON” or  

  “OFF”. 

• Disconnect the plug from the power source before making  

  any adjustments, changing accessories, or storing the saw.

• Do not use damaged equipment, blades, guards or personal  

  protection equipment. Do not disable safety equipment or kill  

  switches.

• Use only Husqvarna Construction Products replacement  

  parts. Use of unauthorized parts may create a danger.

• Do not use the saw as vehicle for transporting personnel or  

  equipment.

• Remove all wrenches from the saw before starting.

• When using an extension cord outdoors, be sure it is marked  

  with suffix W-A (for UL), or W (for CSA) to indicate that is 

  acceptable for outdoor use.

• Examine cutting blades before each use. Do not use any

  blades that has cracks, nicks, or flaws. Tri-arbor hole should

  be undamaged. Use only dry cut, steel core, tri-arbor 

  diamond blades made for cutting uncured concrete.

• Husqvarna Excel Series diamond blades is designed to only  

  cut green concrete. Cutting any other material may result in  

  blade failure or a dangerous condition.

• Inspect blade flanges for damage, excessive wear and 

  cleanliness before mounting the blade. The blade should fit   

  snugly on clean, undamaged, tri-arbor shaft.

• Use only Husqvarna Excel, ProEdge Series blades, or blades  

  marked with a maximum operating speed greater than11,000  

  rpm.

• Never operate the saw without the blade guard assembly  

  securely in place including blade cover and skid plate 

  installed in working order. A damaged blade guard assembly  

  must be replaced to protect the operator.

• Avoid getting in direct line with the blade or contacting the  

  blade while it is rotating.