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Zenoah G2500 manual

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Table of contents for the manual

  • Page 1

    G2500 / G2500 OPS GB-1 G B G2500 G2500 OPS (One-Push-Star t) CHAIN SA WS OWNER’S MANUAL G B 848C1B93A1 (704)[...]

  • Page 2

    G2500 / G2500 OPS GB-2 EXPLANA TION OF SYMBOLS AND SAFETY W ARNINGS Read operator's instruction book before operating this machine. W ear head, ey e and ear protection. Use the chain saw with two hands. Wa r ning! Danger of kickback. Read, understand and follow all warnings. Front handle Rear handle SOUND LEVEL VIBRA TION LEVEL EN 608-ISO 7182[...]

  • Page 3

    G2500 / G2500 OPS GB-3 G B Contents 1. For Safe Operation ................................................................... 4 2. Explanation of Symbols on the Machine .................................. 8 3. Installing Guide Bar and Saw Chain ......................................... 9 4. Fuel and Chain Oil ........................................[...]

  • Page 4

    G2500 / G2500 OPS GB-4 10. Always hold the chain saw firmly with both hands when the engine is running. Use a firm grip with thumb and fingers encircling the chain saw handles. 11. Keep all parts of your body away from the saw chain when the en- gine is running. 12. Before you start the engine, make sure the saw chain is not contacting anything. 13[...]

  • Page 5

    G2500 / G2500 OPS GB-5 G B KICKBACK SAFETY PRECAU- TIONS FOR CHAIN SA W US- ERS W ARNING • Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut. Tip contact in some cases may cause a light- ning fast reverse r eaction,kicking the guide bar up and back to wards [...]

  • Page 6

    G2500 / G2500 OPS GB-6 WORKING WITH TREE SERVICE CHAIN-SA WS FROM A ROPE AND HARNESS This chapter sets out working practices to reduce the risk of injury from tree service chainsaws when working at height from a r ope and harness. While it may form the basis of guidance and training literature, it should not be regar ded as a substitute for formal [...]

  • Page 7

    G2500 / G2500 OPS GB-7 G B Gaining a good footing at the working position can be assisted by use of a temporary foot stirrup created from an endless sling. Starting the saw in the tree When starting the saw in the tree, the operator should: a) apply the chain brake before starting; b) hold saw on either the left or right of the body when starting: [...]

  • Page 8

    G2500 / G2500 OPS GB-8 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: Front at the top of the r ear handle Starting the engine. If you pull out the choke knob (at the [...]

  • Page 9

    G2500 / G2500 OPS GB-9 G B 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 pro- tective gloves for safety . 1. Pull the guard towar ds the front handle to check that the chain brake is not engaged. 2. Loosen the nuts and remove the chain cover . 3. Fix the hanger o[...]

  • Page 10

    G2500 / G2500 OPS GB-10 NOTE NOTE 4. Pour in the rest of gasoline and agitate again for at least one minute. As some oils may be difficult to agitate depending on oil ingredients, suf ficient agi- tation is necessary for the engine to last long. Be careful that, if the agitation is insuf ficient, ther e is an increased danger of early piston seizin[...]

  • Page 11

    G2500 / G2500 OPS GB-11 G B It is very dangerous to run a chainsaw that mounts broken parts or lacks any par ts. Before starting engine, make sure that all the parts includ- ing bar and chain are installed pr operly . ■ ST ARTING THE ENGINE Normal star t 1. Fill fuel and chain oil tanks respectively , and tighten the caps securely . 2. Continuous[...]

  • Page 12

    G2500 / G2500 OPS GB-12 • When pulling out the rope, large clanging is produced. W ith this clanging, stop pulling out the r ope at once. This sound notifies that One-push-start has been set. • Don’ t pull out the rope excessively or don’ t pull it out without load by the starter only , otherwise a starter failure will occur . 3. Before sta[...]

  • Page 13

    G2500 / G2500 OPS GB-13 G B • When the brake operates, release the thr ottle lever to slow down the engine speed. Continuous opera- tion with the brake engaged will generate heat from the clutch and may cause trouble. • At machine inspection prior to each job, check the operating condition of the brake following the steps. 1. Start the engine a[...]

  • Page 14

    G2500 / G2500 OPS GB-14 A log lying on the ground Saw down halfway , then roll the log over and cut fr om 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 sawing up fr om the bot- tom. Cutting the limbs of F[...]

  • Page 15

    G2500 / G2500 OPS GB-15 G B When returning the filter , use a pinch not to be folded the suc- tion pipe. 3. Oil filter 1. With a wire hook, take out the oil filter fr om the feeding port. 2. W ash the filter with gasoline. When returning the filter , use a pinch not to be folded the suc- tion pipe. 4. Spark plug Clean the electrodes with a wir e br[...]

  • Page 16

    G2500 / G2500 OPS GB-16 8. Recoil Starter • For recoil maintenance, when attaching or detaching the starter of One-push-star t model, the select lever should be in the position of the rear side (G2500 One-push-start only). • Don't pull the starter when detaching it from the unit. It will cause machine defect or serious injury by touching r[...]

  • Page 17

    G2500 / G2500 OPS GB-17 G B 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. W ARNING: This saw is equipped with one of the following low kickback bar/chain combinations: Zenoah Part Number Bar Size Guide Bar Saw Chain Drum 10 2475-52110 2475-5[...]

  • Page 18

    G2500 / G2500 OPS GB-18 11. Specifications Cutting head: <Sprocket bar> Sprocket: .................................................................. 6T Chain speed at max. power ......................... 17.1 (m/s) Guide bar T ype: ................................................ Sprocket nose Size (in. (cm)): ................................[...]

  • Page 19

    G2500 / G2500 OPS GB-19 G B 12. Limited warranty Should any failure occur on the pr oduct under normal operating conditions within the applicable warranty pe- riod, the failed part will be replaced or r epaired fr ee of charge by a ZENOAH authorized dealer . W ARRANTY PERIOD: 1 year (6 months if used profes- sionally , and 30 days if used for renta[...]