Makita UC3020A Instruction Manual - Chain Saw Safety Warnings

Manual is about: Makita Chain Saw Instruction Manual

Summary of UC3020A

  • Page 1

    1 english (o rigina l in st ruct ions) instruction manual double insulation important: read before using. Chain saw uc3020a uc3520a uc4020a 006906.

  • Page 2: Specifications

    2 english (original instructions) specifications model uc3020a uc3520a uc4020a max. Chain speed (m/s) 13.3 cutting length 300 mm 350 mm 400 mm type 90sg saw chain pitch 3/8" oil pump automatic oil tank capacity (l) 0.20 power transmission direct chain brake manual run-down brake mechanical overall l...

  • Page 3: General Power Tool Safety

    3 enf100-1 for public low-voltage distribution systems of between 220 v and 250 v. Switching operations of electric apparatus cause voltage fluctuations. The operation of this device under unfavorable mains conditions can have adverse effects to the operation of other equipment. With a mains impedan...

  • Page 4: Save All Warnings and

    4 save all warnings and instructions for future reference. The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool. Work area safety 1. Keep work area clean and well lit. Cluttered or dark areas invite accidents. 2. Do not ope...

  • Page 5: Chain Saw Safety Warnings

    5 23. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. 24. Use the power tool, accessories and tool bits etc. In accordance with these instructions, taking into account the working conditions and the wor...

  • Page 6: Additional Safety Rules

    6 006908 do not overreach and do not cut above shoulder height. This helps prevent unintended tip contact and enables better control of the chain saw in unexpected situations. Only use replacement bars and chains specified by the manufacturer. Incorrect replacement bars and chains may cause chain br...

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    7 using the saw in the open air, ensure that the cable employed is intended for open-air use and is rated accordingly. 3. Keep the cord away from the cutting area and to position cord so that it will not be caught on branches, and the like, during cutting. 4. Do not operate the chain saw in the vici...

  • Page 8: Save These Instructions.

    8 safety features 1. Always check that that the safety features are in working order before starting work. Do not use the chain saw if the safety features are not working properly. Chain brake: the chain saw is fitted with a chain brake which brings the saw chain to a standstill within a fraction of...

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    9 parts supplied 1 2 3 4 5 6 7 14 10 8 9 11 13 15 12 006907 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 rear handle switch trigger oil filter cap front handle front hand guard guide bar saw chain lever sprocket cover oil level sight rear hand guard lock-off button chain catcher scabbard serrated rail (claw ...

  • Page 10: Functional Description

    10 functional description caution: • always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Switch action 1 2 006910 caution: • before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "off" p...

  • Page 11

    11 1 006940 9. Place the sprocket cover on the chain saw so that the hook at its back cover is inserted into a hole in the chain saw and the adjusting pin is positioned in a small hole in the guide bar. 1 2 3 006941 10. Press in the lever and with the lever depressed turn it fully clockwise to tight...

  • Page 12: Operation

    12 and breakage of the adjusting dial. • installing or removing saw chain should be carried out in a clean place free from sawdust and the like. Operation lubrication reclaimend oil 006921 caution: • always be sure that the tool is switched off and unplugged before lubricating the saw chain. Lubrica...

  • Page 13

    13 automatically to the off position, and the lock-off button must return to its original position. Checking the chain brake note: • if the chain saw fails to start, the chain brake must be released. Pull the hand guard backwards firmly until you feel it engage. Hold the chain saw with both hands wh...

  • Page 14

    14 006914 cut wood under tension on the pressure side (a )first. Then make the final cut on the tension side (b ). This prevents the bar from becoming trapped. A b a b 006915 limbing caution: • limbing may only be performed by trained persons. A hazard is presented by the risk of kick- back. When li...

  • Page 15: Maintenance

    15 the trunk diameter. Do not make the scarf too large. Then make the diagonal cut. Cut any corrections to the scarf across its entire width. 006923 make the back cut a little higher than the base cut of the scarf. The back cut must be exactly horizontal. Leave approximately 1/10 of the trunk diamet...

  • Page 16

    16 the chip thickness is determined by the distance between the depth gauge (round nose) and the cutting edge. The best cutting results are obtained with a distance of 0.5 mm between cutting edge and depth gauge. A a a 0.5 mm 0.5 mm min. 3 mm 006925 warning: • an excessive distance increases the ris...

  • Page 17: Optional Accessories

    17 adding new fresh grease, carefully clean the 2 mm hole on the tip of the guide bar, then force a small quantity of multi-purpose grease (optional accessory) into the hole. Cleaning the oil guide 1 2 006931 clean the oil guide groove and the oil feed hole in the bar at regular intervals. New saw c...

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    20 makita corporation anjo, aichi, japan www.Makita.Com 884647g222.