Nakayama 021841, User Manual

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EN
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6. Reset the spiked bumper at a low point when cutting thicker logs by pulling the product slightly backwards until the gripping teeth release, and reposition
at lower level to continue sawing. Do not remove the product completely from the wood.
7. Do not force the saw chain while cutting, let the chain do the work, using the gripping teeth to apply minimal leverage pressure.
8. Do not operate the product with arms fully extended or attempt to saw areas which are
difficult to reach, or on a ladder. Never use the product above shoulder height (Fig. 32).
9. Optimum sawing is achieved if the chain speed remains constant during cutting.
10. Be careful when reaching the end of the
cut. The weight of the product may change unexpectedly as it cuts free from the wood. This can cause accidents to the legs and feet. Always remove the
product from a wood cut while the product is running.
11. Check that the oil feed to the chain is operating correctly; run the chain saw at medium speed and ensure that the chain has received a consistent coating
of oil.
Kickback
WARNING! Beware of kickback! Kickback can lead to dangerous loss of control of the product and result in serious or fatal injury to the operator or anyone
standing close by! Always be alert because rotational kickback and pinch kickback are major product operational dangers and the leading cause of most
accidents!!
Kickback may occur if the nose or tip of the guide bar touches an object, or if wood pinches the saw chain in the cut.
In some cases, contact with the tip of the guide bar (7) may cause a lightning-fast reverse reaction, kicking the guide bar up and back toward the operator
(Figs. 33 - 35).
1. Pinching the saw chain (6) along the bottom of the guide bar (7) may pull the product forward away from the operator (“skating”) (Fig. 36).
2. Pinching the saw chain (6) along the top of the guide bar (7) may push the guide bar rapidly back toward the operator (“bouncing”) (Fig. 37).
3. Any of these reactions may cause losing control of the product, which could result in serious personal injury or even death.
4. With a basic understanding of ‘kickback’, the element of surprise can be reduced or eliminated. Sudden surprise contributes to the majority of accidents.
5. Keep a good firm grip on the product with both hands, the right hand on the rear handle (1) and the left hand on the front handle (29), when the engine
is running. Maintain a firm grip with your thumbs and fingers encircling the handles. A firm grip will help you reduce ‘kickback’ and maintain control of the
product.
6. You should carefully read all safety warnings and user instructions before attempting to operate this product.
To avoid kickback:
• Saw with guide bar at a flat angle.
• Never work with a loose, widely stretched or the heavily worn out chain.
• Ensure chain is sharpened correctly.
• Never saw above shoulder height.
• Never work with the tip of the guide bar.
• Always hold the product firmly with both hands.
• Always use a low kickback chain.
• Apply the metal gripping teeth for leverage.
• Ensure correct chain tension.
• Do only cut with the engine at high speeds.
• Do not let the nose of the guide bar contact a log, branch, or any other obstruction which could be hit while you are operating the product.
• Follow manufacturer’s sharpening and maintenance instructions for the saw chain.
• Only use replacement guide bars and saw chains specified by the manufacturer or equivalent replacements.
WARNING! Most ‘kickback’ accidents happen during limbing! Pay close attention to the position of the ‘kickback’ zone of the bar when you are ‘limbing’
branches that are under tension.
After use
1. Switch the product off and let it cool down.
2. Check, clean and store the product as described below.
Care and maintenance
WARNING! Always switch the product ff, disconnect the spark plug connector and let the product cool down before performing inspection, maintenance and
cleaning work!
1. Keep the product clean. Remove debris from it after each use and before storage.
2. Regular and proper cleaning will help ensure safe use and prolong the life of the product.
3. Inspect the product before each use for worn and damaged parts. Do not operate it if you find broken and worn parts.
WARNING! Only perform repairs and maintenance work according to these instructions! All further works must be performed by a qualified specialist!
General cleaning
1. Clean the product with a slightly damp cloth and mild soap. Use a brush for areas that are hard to reach.
2. In particular clean the air vents (18) after every use with a cloth and brush.
3. Remove stubborn dirt with high pressure air (max. 3 bar).
NOTE: Do not use chemical, alkaline, abrasive or other aggressive detergents or disinfectants to clean this product as they might be harmful to its surfaces.
4. Check for worn or damaged parts. Replace worn parts as necessary or contact an authorised service centre for repair before using the product again.