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Zenoah G3100T manual

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Table of contents for the manual

  • Page 1

    OWNER / OPERA T OR MANUAL CHAINSA WS T2054-93110 (212) The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. W ARNING Before using our products, please read this manual carefully to understand the proper use of your unit. W ARNING APPLICABLE SERIAL NUMBERS[...]

  • Page 2

    [...]

  • Page 3

    SAFETY FIRST 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. ■ WARNINGS IN THE MANUAL This mark indicates i[...]

  • Page 4

    2. Specifications ■ G3100T Power unit : Displacement ······················································································ 1.9(30.1) cu-in(cm 3 ) Fuel ···············································[...]

  • Page 5

    3. Symbols on the machine  5  MADE IN IT AL Y IMPORT ANT ENGINE INFORMA TION THIS ENGINE CONFORMS TO US EP A PH1 FOR SMALL OFF-RO AD ENGINES. ENGINE F AMIL Y : 3E8XS.0304TH ENGINE DISPLACEMENT : 30.1cm 3 MANUF ACTURED: REFER TO O WNER'S MANUMAL FOR MAINTE- NANCE SPECIFICA TIONS AND ADJUSTMENTS. W ARNING! THIS SAW IS FOR TRAINED TREE SERV[...]

  • Page 6

     6  4. For safe operation 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. 3. Always use caution when handling fuel.[...]

  • Page 7

     7  4. For safe operation 16. Operate the chain saw only in well ventilated areas. Never start or run the engine inside a closed room or building. Exhaust fumes contain dangerous carbon monoxide. 17. Do not operate a chain saw in a tree unless specially trained to do so. 18. Guard against kickback. Kickback is the upward motion of the guide b[...]

  • Page 8

    A standard saw unit package contains the items as shown. (SE1) Open the box and install the guide bar and the saw chain to the power unit as follows. The saw chain has very sharp edges. Use thick, protective gloves to avoid injury. 1. Loosen a nut and remove the chain cover. 2. Mount the guide bar and fit the saw chain around the bar and the drive [...]

  • Page 9

    6. Fuel and chain oil  9  • 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 3m(10ft) away from the fueling point before starting the engine. • The RedMax engines are lubric[...]

  • Page 10

    6. Fuel and Chain oil container to avoid mixing up with gasoline or other containers. 6. Indicate the contents on outside of container for easy identification. ■ FUELING THE UNIT 1. Untwist and remove the fuel cap. Rest the cap on a dustless place. 2. Put fuel into the fuel tank to 80% of the full capacity. 3. Fasten the fuel cap securely and wip[...]

  • Page 11

    ■ FUELING THE UNIT (OP1) 1. Remove the fuel tank cap and pour fuel into the tank up to 80% of full capacity. 2. Fasten the fuel cap securely and wipe up any fuel spillage around the unit. 3. Remove the oil tank cap and pour chain oil into the tank. Fasten the cap securely. 1. Select bare ground for fueling. 2. Move at least 10 feet (3 meters) awa[...]

  • Page 12

     12  OP8 7. Operation ■ CHECKING OIL SUPPLY After starting the engine, run the chain at medium speed and see if chain oil is scattered off as shown in the figure. (OP6) The oil tank should become nearly empty by the time fuel in the tank is used up. Be sure to refill the oil tank every time when refueling the saw. ■ STOPPING ENGINE 1. Rel[...]

  • Page 13

    4. Make a test cut adjust the H needle for best cutting power, not for maximum speed. ■ CHAIN BRAKE The chain brake is a device designed to stop the saw chain quickly when kickback occured. The brake system equipped on the G3100T units is designed to work automatically by sensing reaction force. It can also be activated manually by pushing the br[...]

  • Page 14

    • Before proceeding to your job, read “For Safe Operation” section. It is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit. • It is not necessary to force the saw into the cut. Apply only light pressure while running the engine at full throttle. • Racing the engine with the chain seized in a [...]

  • Page 15

    should stop immediately with the engine at full speed. If the chain is slow to stop or does not stop then replace the brake band and clutch drum before use. • It is extremely important that the chain brake be checked for proper operation before each use and that the chain be sharp in order to maintain the kickback safety level of this saw. Remova[...]

  • Page 16

    of bending direction to prevent the guide bar from being caught in the cutaway. ● Cutting an unpillowed log Saw down halfway, then roll the log over and cut from the opposite side. (SA3) ● Cutting a pillowed log In the area A in the picture right above, saw up from the bottom one-third and finish by sawing down from the top. In the area B, saw [...]

  • Page 17

     17  9. Maintenance Make sure to stop the engine before inspecting and/or servicing the unit. ■ DAILY MAINTENANCE SAW CHAIN It is one of the essential factors for smooth and safe operation to keep the cutters always in good condition. It’s time to reform the cutters when; 1. Sawdust has become powder-like. 2. You need extra force to saw i[...]

  • Page 18

     18  9. Maintenance GUIDE BAR 1. Remove sawdust in the bar groove and the oiling port. (MA5) 2. Grease the nose sprocket from the feeding port on the tip of the guide bar. (MA6) 3. Periodically turn over the guide bar when mounting it to the unit, in order to prevent partial wear. This saw is equipped with one of the following low kickback ba[...]

  • Page 19

    anything wrong be found, make sure to have it repaired before next usage. ■ MONTHLY MAINTENANCE FUEL FILTER When the engine runs short of fuel supply, check the fuel filter for blockage. (MA9) OIL STRAINER Drain the oil tank and remove the oil strainer located near the spark plug. Check the condition and clean if necessary. (MA10) SPARK PLUG Star[...]

  • Page 20

     20  SPARK ARRESTER RedMax engines are equipped with a spark arresting screen at the exhaust port. Periodically check and keep it in good condition. In the State of California it is required by law (Section 4442 of the California Public Resources Code) to have a spark arrester when a gas powered tool is used in any forest covered, brush cover[...]

  • Page 21

     21  1 1. Parts list NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company. 3. When placing parts orders for repair and/or replacement, check if the model[...]

  • Page 22

     22  1 1. Parts list Fig.1 POWER UNIT G3100T (S/N 0723010001 and up) G3100T[...]

  • Page 23

     23  Fig.1 POWER UNIT (S/N 0723010001 and up) G3100T 1 T2050-12110 CYLINDER 1 2 T2050-21110 CRANKCASE 1 3 01252-30530 BOLT 4 4 2870-41111 PISTON 1 5 3319-41210 RING 1 6 3304-41310 PIN 1 7 3310-41320 SNAP RING 2 8 3310-41410 BEARING 1 9 1650-41510 WASHER 2 10 2870-42002 CRANKSHAFT COMP 1 11 06030-06201 BEARING 2 12 2630-43150 OIL SEAL 1 13 040[...]

  • Page 24

     24  1 1. Parts list Fig.2 CARBBURETOR COMPONENTS & ACCESSORIES (S/N 0723010001 and up) G3100T[...]

  • Page 25

     25  Fig.2 CARBBURETOR COMPONENTS & ACCESSORIES (S/N 0723010001 and up) G3100T Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 1 T2054-81000 CARBURETOR ASS'Y 2 T2052-81120 • PUMP COVER 1 3 3310-81130 • SCREW 1 4 3310-81280 • COVER 1 5 1480-81420 • PLUG 1 6 3350-81380 • SPR[...]

  • Page 26

    THE CALIFORNIA AIR RESOURCES BOARD AND KOMATSU ZENOAH Co. ARE PLEASED TO EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR 1995 AND LATER LAWN AND GARDEN EQUIPMENT ENGINE. IN CALIFORNIA, NEW UTILITY AND LAWN AND GARDEN EQUIPMENT ENGINES MUST BE DESIGNED, BUILT AND EQUIPPED TO MEET THE STATE'S STRINGENT ANTI-SMOG STANDARDS. KOMATSU ZENOAH Co[...]

  • Page 27

    EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP. EMISSION-RELATED PARTS ARE: THE CARBURETOR[...]

  • Page 28

    ©P rinted in Japan Pièces en rapport avec les émissions de gaz d'échappement : KOMATSU ZENOAH AMERICA INC., par l'intermédiaire de n'importe quel revendeur RedMax, réparera gratuitement ou remplacera gratuitement pour l'acheteur initial et chaque acheteur successif toute(s) pièce(s) se révélant de constitution et/ou de [...]