Assessments - 4, GPA: 4.3
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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. When they are extremely dirty, shakewash with gasoline. Dry them completely before reinstalling. (MA1) 2. Oiling port Dismount the guide bar and check the oiling port for clogging. (MA2) (1) Oiling port 3. Guide bar Remove sawdust in the bar groove and the oiling port. (MA3) (1) Groove (2) Oiling port (Type: Sprocket nose) Grease the nose sprocket from the feeding port on the tip of the bar. (MA4) (1) Grease port (2) Sprocket 4. Others Check for fuel leakage and loose fastenings or damage to major parts, especially handle joints and guide bar mounting. If any defects are found, make sure to have them repaired before operating again .19. 9.Maintenance WARNING This saw is equipped with one of the following low kickback bar/chain combinations: RedMax Part Number Bar Size Guide Bar Saw Chain MA7 MA6 MA5 .20. 12inch (30cm) G2512 91VG45X For replacement, use only above bar and chain, or the following; OREGON BAR 12 inch S/N DOUBLE GUARD BAR, Mount code #A041. (120 SDEA 041) GB BAR 12 inch MINI LAMINATED BAR (PO12-50CR) OREGON CHAIN 91VG n PERIODICAL CHECK POINTS 1. Cylinder fins 1. Remove the starter case. 2. Remove sawdust between the cylinder fins. (MA5) (1) Cylinder fin 2. Fuel filter 1. Using a wire hook, take out the fuel filter from the feeding port. (MA6) 2. Wash the filter with gasoline. Replace with new one if clogged with dirt completely. WARNING When returning the filter, use a pinch not to be folded the suction pipe. 3. Oil filter 1. With a wire hook, take out the oil filter from the feeding port. (MA7) 2. Wash the filter with gasoline. 9.Maintenance WARNING MA8 When returning the filter, use a pinch not to be folded the suction pipe. 4. Spark plug Clean the electrodes with a wire brush and adjust the gap to 0.6mm. (MA8) Replacement plug: Champion RCJ-7Y WARNING MA9 MA10 MA11 After spark plug maintenance, reinstall the plug and plug cap firmly. (TORQUE: 14.7~17.6 N.m./150~180 kg-cm) Or it may cause the fire accident. (MA9) (1) Plug (2) Plug cap 5. Sprocket Check for extensive wear, and replace it when the teeth are worn over 1.0mm. (MA10) 6. Guide bar The bar rail should always be a square. Check for wear of the bar rail. Apply a ruler to the bar and the outside of a cutter. If a gap is observed between them, the rail is normal. Otherwise, the bar rail is worn. Such a bar needs to be corrected or replaced.(MA11) (1) Ruler (2) Gap (3) No gap (4) Chain tilts .21. 9.Maintenance 7. Saw Chain WARNING MA13 MA12 It is very important for smooth and safe operation to keep the cutters always sharp. Your cutters need to be sharpened when: • Sawdust becomes powder-like. • You need extra force to saw in. • The cut way does not go straight. • Vibration increases. • Fuel consumption increases. Cutter setting standards: WARNING Be sure to wear safety gloves. Before filing: • Make sure the saw chain is held securely. • Make sure the engine is stopped. • Use a round file of proper size for your chain. Chain type: 91VG File size: 5/32 in (4.0mm) Place your file on the cutter and push straight forward. Keep the file position as illustrated. (MA12) After every cutter has been set, check the depth gauge and file it to the proper level as illustrated. (MA13) WARNING Be sure to round off the front edge to reduce the chance of kickback or tie-strap breakage. (1) Appropriate gauge checker (2) Make the shoulder round (3) Depth gauge standard .22. 9.Maintenance MA14 Make sure every cutter has the same length and edge angles as illustrated. (MA14) (4) Cutter length (5) Filing angle (6) Side plate angle (7) Top plate cutting angle 8. Way of the cooling air WARNING MA15 • The engine metal parts can burn your skin. Never touch the cylinder, muffler or ignition plug etc. during operation or right after stopping the engine. • Before starting the engine, check around the muffler and take off sawdust. If you do not, it will cause the overheating and a fire. For preventing the trouble, please keep clean around the muffler. This engine is air-cooled. Dust clogging between the inlet port of the cooling air and cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. (MA15) (1) Inlet port of the cooling air IMPORTANT When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly in place. .23. 9.Maintenance 9. Muffler (MA16) WARNING If you do not attach the muffler correctly, after engine starts, the muffler will b...
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