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Summary of Contents for Certa CTCHNSAW25A
- Page 2 Safety Warnings..........................2 Different Warning Types......................2 Chainsaw Layout..........................2 Warning Labels on the Chainsaw...................2 Symbols on the Chainsaw......................3 Safety Precautions..........................3 Before Use............................3 Work Gear and Clothing......................3 Handling of Fuel..........................4 Before Starting the Engine.......................4 Starting the Engine........................4 Operation............................4 Kickback Safety Precautions....................4 Maintenance............................5 Transportation..........................5 Installing Guide Bar and Saw Chain...................5 Fuel and Chain Oil..........................6 Fuel..............................6...
- Page 3 Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. This mark indicates instructions which must be followed in order to prevent accidents which could lead to serious injury or death.
- Page 4 For safe operation and maintenance, symbols are carved in relief on the unit. According to these identifications, please be careful not to make any mistakes. Opening to refuel the PETROL MIX Position: Fuel tank cap. Opening to refill the CHAIN OIL Position: Oil cap.
- Page 5 The engine of this product is designed to run on a mixed fuel which contains highly flammable • gasoline. Never store cans of fuel or refill the fuel tank in any place where there is a boiler stove, wood fire, electrical sparks, welding sparks, or any other source of heat or fire which might ignite the fuel.
- Page 6 Make certain that the area in which you are cutting is free from obstructions. Do not let the nose of the guide bar contact a log, branch, or any other obstruction which could be hit while you are operating the saw. Cut at high engine speeds.
- Page 7 Petrol is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it to cool before refuelling the unit. Select bare ground outdoors for fuelling, and move at least 3m away from the fuelling point before starting the engine. Do not use BIA or TCW (2-stroke water cooling type) mixed oil.
- Page 8 Press the priming bulb continuously until fuel appears inside the bulb. Set the switch to the “I” position. Pull out the choke knob to the second-stage position. The choke will close and the throttle lever will then be set in the starting position. When restarting immediately after stopping the engine, set the Choke knob into the first stage position (choke open and throttle lever in the starting position).
- Page 9 Stop engine and screw in both H and L needles until they stop. Never force them. Then set them back the initial number of turns as shown below. Start engine and allow it to warm up at half-throttle. Turn L needle slowly clockwise to find a position where idling speed is maximum, then set the needle back a quarter (1/4) turn counter-clockwise.
- Page 10 Decide the felling direction considering the wind, lean of the tree, location of heavy branches, ease of job after felling and other factors. While clearing the area around the tree, arrange a good foothold and retreat path. Make a notch cut one-third of the way into the tree on the felling side. Make a felling cut from the opposite side of the notch and at a level slightly higher than the bottom of the notch.
- Page 11 Guide Bar When the guide bar is dismounted, remove any sawdust in the bar groove and the oiling port. Grease the nose sprocket from the feeding port on the tip of the bar. Other steps Check for fuel leakages, loose fastenings and physical damage to the chainsaw, especially the handle joints and guide bar.
- Page 12 Saw Chain It is important for smooth and safe operation to keep the cutters sharp. Your cutters will need to be sharpened when: Sawdust becomes powder-like • You need extra force to saw into wood • The cut way does not go straight •...
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