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Zenoah G3800 manual

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Table of contents for the manual

  • Page 1

    G3800 G3800 OWNER’S MANUAL CHAIN SA WS G B 848C4093A2 (601)[...]

  • Page 2

    G3800 EXPLANA TION OF SYMBOLS AND SAFETY W ARNINGS GB-2 Read operator's instruction book before operating this machine. W ear head, eye and ear protection. Use the chain saw with two hands. W arning! Danger of kickback. Read, understand and follow all warnings. MODEL 37.2 cm 3 SOUND LEVEL VIBRA TION LEVEL EN 608-ISO 7182 LpA 2000/14/EC LwA gua[...]

  • Page 3

    G3800 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

    G3800 1. For safe operation 1. Never operate a chain saw when you are fatigued, ill, or upset, or under the influence of medica- tion 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. Keep th[...]

  • Page 5

    G3800 GB-5 age to the flywheel could occur which could subsequently cause the flywheel to disintegrate.) 16. Always shut off the engine be- fore setting it down. 17. Use extreme caution when cut- ting small size brush and sap- lings because slender material may catch the saw chain and be whipped toward you or pull you off balance. 18. When cutting [...]

  • Page 6

    G3800 2. Explanation of Symbols on the Machine The port to refuel “MIX GASOLINE” Position: Fuel cap The port to top up chain oil Position: Oil cap Setting the switch to the “O” position, the engine stops immediately . Position: Rear -left of the unit Starting the engine. If you pull out the choke knob (at the back-right of the rear handle) [...]

  • Page 7

    G3800 3. Installing Guide Bar and Saw Chain A standard saw unit package contains the items as illustrated. 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. Pull the guard towar ds the front handle to check that the chain brake is no[...]

  • Page 8

    G3800 ■ RECOMMENDED MIXING RA TIO GASOLINE 50 : OIL 1 (when using ZENOAH genuine oil) • Exhaust emission are controlled by the funda- mental engine parameters and components (eq., carburation, ignition timing and port timing) with- out addition of any major hardware or the intro- duction of an inert material during combustion. • These engines[...]

  • Page 9

    G3800 6. Allow the engine to warm up with the throttle lever pulled slightly . Keep clear of the saw chain as it will start r otatIng upon starting of engine. ■ CHECKING THE OIL SUPPL Y Make sure to set up the bar and the chain when checking the oil supply . If not, the rotating parts may be exposed. It is very dangerous. After starting the engin[...]

  • Page 10

    G3800 GB-10 ■ CHAIN BRAKE This machine is equipped with an automatic brake to stop saw chain rotation upon occurr ence of kickback during saw cutting. The brake is automatically operated by inertial force, which acts on the weight fitted inside the front guar d. This brake can also be operated manually with the front guard turned down to the guid[...]

  • Page 11

    G3800 GB-11 G B 6. Sawing • Before pr oceeding to your job, r ead the section “For Safe Operation”. It is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit. • Always follow the safety regu- lations. The chain saw must only be used for cutting wood. It is forbidden to cut other types of material.[...]

  • Page 12

    G3800 GB-12 3. Guide bar When the guide bar is dismounted, remove sawdust in the bar groove and the oiling port. Grease the nose spr ocket from the feeding port on the tip of the bar . 4. Others Check for fuel leakage and loose fastenings and damage to major parts, especially handle joints and guide bar mounting. If any defects are found, make sur [...]

  • Page 13

    G3800 3. Spark plug Clean the electrodes with a wir e brush and reset the gap to 0.65 mm as necessary . 4. Sprocket Check for cracks and for excessive wear interfering with the chain drive. If the wear is considerable, replace it with new one. Never fit a new chain on a worn sprocket, or a worn chain on a new sprocket. GB-13 Fuel filter 8. Maintena[...]

  • Page 14

    G3800 9. T r oubleshooting Guide Case 1. Starting failure Make sure the icing pr evention system is not working. GB-14 Check fuel for water or substandard mix- ture. Replace with proper fuel. Check for engine flooding. Check spark ignition. Remove and dry the spark plug. Then pull the starter again with no choke. Replace with a new plug. Case 2. La[...]

  • Page 15

    G3800 10. Specifications Power 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 ): ....................................... 310 Chain oil: ................................. Motor oil SAE# 10W-30 Oil [...]