SAFETY Understanding Your Chain Saw Safety Devices Safe-T-Tip® Anti-Kickback Nose Guard The SAFE-T-TIP® ( A ) prevents kickback from happening, be- cause it covers the tip of the bar where kickback is generated. Inexperienced persons should never attempt any kind of cutting where the SAFE-T-TIP® would have to be removed from the bar tip. Those users, such as professional loggers, who may need to draw the tip through the cut, make boring cuts, or cut logs bigger than the bar length should replace the SAFE-T-TIP® as soon as those cuts are complete. When cutting with it removed, the user must rely on careful use of the proper techniques as shown in the manual to avoid kickback. NOTE:
See Maintenance-Bar and Chain Section, for install- ing the Safe-T-Tip® nose guard. Chain Brake Chain brakes are designed to rapidly stop the chain from rotating. When the chain brake lever / hand guard is pushed toward the bar, the chain should stop immediately . A chain brake does not prevent kickback. B) RUN POSITION C) BRAKE POSITION Chain brake should be cleaned and tested daily. Clean the chain brake per the Maintenance-Chain Brake Section and test per the Operation-Chain Brake Operation Section. WARNING Even with daily cleaning of the mechanism, the depend- ability of a chain brake to perform under field conditions cannot be certified.
Keep the Safe-T-Tip® nose guard on your saw's guide bar, and use proper cutting techniques. Run Position (B) Brake Position (C) A Low Kickback Saw Chain The rakers (depth gauges) ahead of each cutter can minimize the force of a kickback reaction by preventing the cutters from digging in too deeply at the kickback zone. Only use replace- ment chain that is equivalent to original chain or has been certified as low kickback chain per ANSI B175.1.
Low kickback saw chain is chain that has met the kickback performance requirements of ANSI B175.1 - 1991 (American National Standard for Power Tools - Gasoline-Powered Chain Saws-Safety Requirements) when tested on the representative sample of chain saws below 3.8 c.i.d. specified in ANSI B175.1 - 1991. Guide Bars Generally, guide bars with small radius tips have somewhat lower kickback potentials. John Deere gasoline saws meet the kickback-reduction require- ments of ANSI B175.1 without requiring small radius tip bars. When making a replacement be sure to order one of the JOHN DEERE bars listed for your saw in this operator's manual.
The proper size SAFE-T-TIP® nose guard comes installed on the bar. Use only guide bars that have a provision for mounting the SAFE-T-TIP®. 8 English