G3801/G3801EZ 115 39 06-38 (007) G B OWNER’S MANUAL CHAIN SAW G3801 G3801EZ Original Language GB-1
G3801/G3801EZ EXPLANATION OF SYMBOLS AND SAFETY WARNINGS Read operator's instruction book before operating this machine. Use the chain saw with two hands. Read, understand and follow all warnings. Wear head, eye and ear protection. Warning! Danger of kickback. Never touch hot surface. Contents 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. GB-2 For Safe Operation ................................................................... 3 Explanation of Symbols on the Machine ..................................
G3801/G3801EZ 1. For safe operation WARNING This chainsaw has been especially designed for tree maintenance and should therefore only be used by trained operators when working on trees. 1. Never operate a chain saw when you are fatigued, ill, or upset, or under the influence of medication that may make you drowsy, or if you are under the influence of alcohol or drugs. 2. Use safety footwear, snug fitting clothing and eye, hearing and head protection devices. Use the vibration-proof glove. 3.
G3801/G3801EZ 20. Operate the chain saw only in well ventilated areas. Never start or run the engine inside a closed room or building and potentially explosive atmosphere. Exhaust fumes contain dangerous carbon monoxide. 21. Do not operate the chain saw in a tree unless specially trained to do so. 22. Guard against kickback. Kickback is the upward motion of the guide bar which occurs when the saw chain at the nose of the guide bar contacts an object.
G3801/G3801EZ 2. Explanation of Symbols on the Machine For safe operation and maintenance, symbols are carved in relief on the machine. According to these indications, please be careful not to make any mistake. G B The port to fuel “MIX GASOLINE” Position: Beside Fuel cap The port to fill with chain oil Position: Beside Oil cap Setting the switch to the “O” position, the engine stops immediately. Position: Beside rocker switch Starting the engine.
G3801/G3801EZ 3. Installing Guide Bar and Saw Chain A standard saw unit package contains the items as illustrated. Power unit Plug wrench (Hexagon socket (S13/S16) + Slotted driver) Screwdriver for carburetor adjustment (Slotted driver) Bar protector Guide bar Saw chain Open the box and install the guide bar and the saw chain on the power unit as follows: The saw chain has very sharp edges. Use thick protective gloves for safety. 1. Loosen the nuts and remove the chain cover. 2.
G3801/G3801EZ 4. Fuel and Chain Oil ■ FUEL WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. Select outdoor bare ground for fueling and move at least 3 m (10 ft) away from the fueling point before starting the engine. • The Zenoah engines are lubricated by oil specially formulated for air-cooled 2-cycle gasoline engine use.
G3801/G3801EZ 5. Operating the Engine It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts. Before starting engine, make sure that all the parts including bar and chain are installed properly. ■ STARTING THE ENGINE 1. Fill fuel and chain oil tanks respectively, and tighten the caps securely. 6. When engine has ignited, first push in the choke knob to “START” position and then pull the starter again to start the engine. 7.
G3801/G3801EZ 1. Stop engine and screw L needle until it stops. Never force. Then set it back the initial number of turns as shown below. H needle is restricted within the number of turn as shown below. H needle : 13/8 ± 1/4 L needle : 11/4 ± 1/4 2. Start the engine and allow it to warm up in low speed for a few minutes. 3. Turn L needle slowly clockwise to find a position where idling speed is maximum, then set the needle back a quarter (1/4) turn counterclockwise. 4.
G3801/G3801EZ 6. Sawing • Before proceeding to your job, read the section “For Safe Operation”. It is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit. ■ FELLING A TREE Felling direction Notch cut • • • • Always follow the safety regulations. The chain saw must only be used for cutting wood. It is forbidden to cut other types of material.
G3801/G3801EZ Cutting the limbs of Fallen Tree • • • • Do not use an unstable foothold or ladder. Do not overreach. Do not cut above shoulder height. Always use both your hands to hold the saw. G B First check to which side the limb is bent. Then make the initial cut from the bent side and finish by sawing from the opposite side. Be alert to the springing back of a cut limb. Pruning of Standing Tree Cut up from the bottom, finish down from the top. 7.
G3801/G3801EZ 4. Spark plug 2. Fuel filter (a) Using a wire hook, take out the filter from the filler port. 0.65 mm Champion : RCJ-7Y NGK : BPM7Y or BPM7A Fuel filter (b) Disassemble the filter and wash with gasoline, or replace with a new one if needed. Note: • After removing the filter, use a pinch to hold the end of the suction pipe. • When assembling the filter, take care not to allow filter fibers or dust inside the suction pipe. Clean the electrodes with a wire brush and reset the gap to 0.
G3801/G3801EZ side of a cutter. If a gap is observed between them, the rail is normal. Otherwise, the bar rail is worn. Such a bar needs to be corrected or replaced. Be sure to round off the front edge to reduce the chance of kickback or tie-strap breakage. Make sure every cutter has the same length and edge angles as illustrated. Ruler Cutter length G B Gap Filing angle No gap Chain tilts Side plate angle Top plate cutting angle ■ Guide Bar • Reverse the bar occasionally to prevent partial wear.
G3801/G3801EZ 11. Specifications POWER UNIT: Displacement (cm3): ................................................................................. 37.2 Fuel: ..................................................................................................... Mixture when using ZENOAH genuine oil (FC grade) ................................... 50 : 1 when using market oil (FB grade) ..................................................... 25 : 1 Fuel tank capacity (ml): ........................................
G3801/G3801EZ Limited warranty Should any failure occur on the product under normal operating conditions within the applicable warranty period, the failed part will be replaced or repaired free of charge by a ZENOAH authorized dealer. WARRANTY PERIOD: Six (6) months after purchased by end-user subject to 12 months from produced month. (30 days If used for rental purpose) THE PURCHASER SHALL BEAR COSTS OF TRANSPORTING THE UNIT TO AND FROM THE ZENOAH DEALER.
