(SA1) ¦ FELLING A TREE (SA2) WARNING SA2 When you fell a tree, be sure to warn your neighboring workers of the danger. 1. Decide the felling direction considering the wind, Iean of the tree, location of heavy branches, ease of job after felling, and other factors . 2. While clearing the area around the tree, arrange a good foothold and retreat path. 3. Make a notch cut one-third of the way into the tree on the felling side. 4. Make a felling cut from the opposite side of the notch and at a level
Cut through from the tensed side. (SA5) SA5 WARNING l PruningSA6 WARNING 1. Do not use an unstable foothold or a stepladder. 2. Do not overreach. 3. Do not cut above shoulder height. 4. Always use both hands to grip the saw. Cut up from the bottom, finish down from the top. (SA6) .18. 9.Maintenance WARNING MA1 MA4 MA3 MA2 Make sure the engine is stopped . n DAILY CHECK POINTS 1. Air filter Loosen the knob and remove the air cleaner cover. Take off the filter elements and tap off attached sawdust
5. The parts for the machine shall be supplied seven (7) years after the machine is discontinued. [It is possible that some specific parts may be subject to change of their delivery term and list price within the limit of seven (7) years after the machine is discontinued. It is also possible that some parts may be available even after the limit of seven (7) years.] APPLICABLE SERIAL NUMBERS : 0723010001 and up April 2006 .21 . 11. Parts list G3100T Fig.1 POWER UNITG3100T(S/N 0723010001 and up) .
1st Cut 2nd Cut Figure 16 - Bucking Log When Log Is Supported On Both Ends TRIMMING A TREE (Pruning) WARNING: Avoid kickback. Kickback can result in severe injury or death. See Kickback, page 3 to avoid risk of kickback. Trimming a tree is the process of cutting limbs from a living tree. Make sure your footing is firm. Keep feet apart. Divide your weight evenly on both feet. Follow directions below to trim a tree. 1. Make first cut six inches from tree trunk on underside of limb. Use top of guid
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2. Start upper notch cut the same distance above first cut as first cut is deep. Example: If lower notch cut is eight inches deep, start upper notch cut eight inches above it. Cut downward at 45° angle. The upper notch cut should meet end of lower notch cut (see Figure 12). 3. Remove tree trunk wedge created by notching cuts. B) Felling Cut 1. Make felling cut two inches higher than lower notch cut and on opposite side of tree (see Figure 12). Keep felling cut parallel to lower notch cut. 2. Cut
With flat file, round off front corner of cutter depth gauge (see Figure 23). After several hand filings, have authorized service center or sharpening service machine sharpen chain. This will insure even filing. Figure 22 - Depth Gauge Tool On Chain Flat File Depth Gauge Slot Figure 23 - Round Off Front Corner Of Depth Gauge Depth Gauge Tool Depth Gauge Front Corner .025" CLEANING AND MAINTENANCE Continued WARNING: Unplug chain saw from power source before servicing. Severe injury or death could
Tip contact in some cases may cause a lightning fast reverse reaction, kicking the guide bar up and back towards the operator. Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator. Either of these reactions may cause you to lose control of the saw which could result in serious personal injury. . Do not rely exclusively on the safety devices built into your saw. As a chain saw user you should take several steps to keep cutting jobs free fr
Kickback may also occur when wood pinches chain at guide bar nose. A sudden reverse action will also result. The following steps will reduce the risk of kickback: • Use both hands to grip saw while saw is running. Use firm grip. Thumbs and fingers must wrap around saw handles. • Keep all safety items in place on saw. Make sure they work properly. • Do not overreach or cut above shoulder height. • Keep solid footing and balance. • Stand slightly to left side of saw. This keeps your body from bein