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Zenoah G3700 manual

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Table of contents for the manual

  • Page 1

    G3700 G B GB-1 G3700 OWNER’S MANUAL CHAIN SA W G B 848C6493A1 (704)[...]

  • Page 2

    G3700 GB-2 EXPLANA TION OF SYMBOLS AND SAFETY W ARNINGS Read operator's instruction book bef ore operating this machine. W ear head, ey e and ear protection. Use the chain saw with two hands. Wa r ning! Danger of kickbac k. Read, understand and f ollow all w arnings. APPRO V AL NUMBER OF CE EXHA UST EMISSION REGULA TION (2002/88/EC) e13*97/68S[...]

  • Page 3

    G3700 G B GB-3 Contents 1. For Safe Operation ................................................................... 4 2. Explanation of Symbols on the Machine .................................. 6 3. Installing Guide Bar and Saw Chain ......................................... 7 4. Fuel and Chain Oil ....................................................[...]

  • Page 4

    G3700 GB-4 10. Keep all parts of your body away from the saw chain when the engine is run- ning. 11. Before you start the engine, make sure the saw chain is not contacting anything. 12. Always carry the chain saw with the engine stopped, the guide bar and saw chain to the rear , and the muf fler away from your body . 13. Always inspect the chain sa[...]

  • Page 5

    G3700 G B GB-5 (3) Make certain that the area in which you are cutting is fr ee fr om obstruc- tions. 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 . (4) Cut at high engine speeds. (5) Do not overreach or cut above shoul- der height. (6) Follow the manufacture[...]

  • Page 6

    G3700 GB-6 2. Explanation of Symbols on the Machine W ARNING For safe operation and maintenance, symbols are car ved in relief on the machine. According to these indications, please be careful not to make any mistake. The screw under the “H” stamp is The High-speed adjustment scr ew . The port to refuel “MIX GASOLINE” Position: Fuel cap The[...]

  • Page 7

    G3700 G B GB-7 Po w er unit Bar protector Guide bar Saw chain Plug wrench Screwdriv er for carb uretor adjustment 4. Fit the chain cover to the power unit and fasten the nuts to finger tightness. 5. While holding up the tip of the bar , adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the ba[...]

  • Page 8

    G3700 GB-8 4. Fuel and Chain Oil ■ FUEL W ARNING • Gasoline is very flammab le. A v oid smoking or bring- ing any flame or sparks near fuel. Make sure to stop the engine and allo w it cool bef ore refueling the unit. Select outdoor bare gr ound for fueling and mo ve at least 3 m (10 ft) a wa y from the fueling point bef ore starting the engine.[...]

  • Page 9

    G3700 G B GB-9 5. When engine has ignited first, push in the choke knob to the first-stage position and pull the starter again to start the engine. 6. Allow the engine to warm up with the throttle lever pulled slightly . W ARNING K eep clear of the sa w chain as it will start r otating upon starting of engine . ■ CHECKING OIL SUPPL Y W ARNING Mak[...]

  • Page 10

    G3700 GB-10 Normal operating mode Anti-freeze mode Cylinder cov er “Sunshine” mark “Snow” mar k Switch Choke knob Icing cap 1. H and L needles are r estricted within the number of turn as shown below . H needle : -1/4 L needle : -1/4 2. Start the engine and allow it to war m up in low speed for a few minutes. 3. Tu rn the idle adjusting scr[...]

  • Page 11

    G3700 G B GB-11 6. Sawing W ARNING • It is not necessary to force the saw into the cut. Apply only light pressur e while running the engine at full throttle. • When the saw chain is caught in the cut, do not attempt to pull it out by force, but use a wedge or a lever to open the way . ■ GU ARD AGAINST KICKB ACK • This saw is equipped with a[...]

  • Page 12

    G3700 GB-12 7. Maintenance Oiling por t Grease por t Sprock et Oiling por t A log lying on the gr ound Saw down halfway , then roll the log over and cut from the opposite side. A log hanging off the ground In area A, saw up fr om the bottom one-third and finish by sawing down from the top. In ar ea B, saw down fr om the top one-third and finish by [...]

  • Page 13

    G3700 G B GB-13 Place the file on the cutter and push straight forward. Keep the file position as illustrated. After each cutter has been filed, check the depth gauge and file it to the proper level as illustrated. 2. Fuel filter (a) Using a wire hook, take out the filter fr om the filler port. (b) Disassemble the filter and wash with gasoline, or [...]

  • Page 14

    G3700 GB-14 of the bar rail. Apply a ruler to the bar and the out- side of a cutter . If a gap is observed between them, the rail is normal. Otherwise, the bar rail is wor n. Such a bar needs to be corrected or r eplaced. 9. T r oubleshooting Guide Case 1. Starting failure W ARNING Make sure the icing prevention system is not w orking. Check fuel f[...]

  • Page 15

    G3700 G B GB-15 11. Specifications Po wer unit: Displacement (cm 3 ): ............................................. 37.2 Fuel: ................ Mixtur e (Gasoline 50 : T wo-cycle oil 1) ............................. (when using ZENOAH genuine oil) Fuel tank capacity (cm 3 ): ....................................... 420 Chain oil: ...................[...]