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20 ENGLISH

Instructions for periodic maintenance

To ensure long life, prevent damage and ensure the full functioning of the safety features, the following maintenance 

must be performed regularly. Warranty claims can be recognized only if this work is performed regularly and prop-

erly. Failure to perform the prescribed maintenance work can lead to accidents! The user of the chain saw must not 

perform maintenance work which is not described in the instruction manual. All such work must be carried out by our 

authorized service center.

Check item / Operating time

Before 

operation

Everyday

Every week

Every 3 

month

Annually

Before 

storage

Chain saw

Inspection.

-

-

-

-

-

Cleaning.

-

-

-

-

-

Check at 

authorized 

service center.

-

-

-

-

Saw chain

Inspection.

-

-

-

-

-

Sharpening if 

necessary.

-

-

-

-

-

Guide bar

Inspection.

-

-

-

-

Remove from 

the chain saw.

-

-

-

-

-

Chain brake

Check the 

function.

-

-

-

-

-

Have it 

inspected 

regularly at 

authorized 

service center.

-

-

-

-

-

Chain 

lubrication

Check the oil 

feed rate.

-

-

-

-

-

Switch trigger

Inspection.

-

-

-

-

-

Lock-off 

button

Inspection.

-

-

-

-

-

Oil tank cap

Check 

tightness.

-

-

-

-

-

Chain catcher Inspection.

-

-

-

-

-

Screws and 

nuts

Inspection.

-

-

-

-

-

Summary of Contents for DUC407RT

Page 1: ...INSTRUCTION MANUAL Cordless Chain Saw DUC307 DUC357 DUC407 ENGLISH Original instructions Read before use ...

Page 2: ...ithout the saw chain guide bar guide bar cover oil and battery cartridge s 2 The lightest and heaviest combination of weight according to EPTA Procedure 01 2014 The weight may differ depending on the attachment s including the battery cartridge s Saw chain guide bar and sprocket combination Saw chain type 90PX Number of drive links 46 52 56 Guide bar Guide bar length 300 mm 350 mm 400 mm Cutting l...

Page 3: ...tronic equipment and on accumulators and batteries and waste accumulators and batteries as well as their adaptation to national law waste elec trical equipment batteries and accumulators should be stored separately and delivered to a separate collection point for municipal waste operating in accordance with the regulations on environmental protection This is indicated by the symbol of the crossed ...

Page 4: ...ices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Use of dust collection can reduce dust related hazards 8 Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles A careless action can cause severe injury within a fraction of a second 9 Always wear protecti...

Page 5: ... Saw chains contacting a live wire may make exposed metal parts of the chain saw live and could give the operator an electric shock 4 Wear eye protection Further protective equip ment for hearing head hands legs and feet is recommended Adequate protective equipment will reduce personal injury from flying debris or accidental contact with the saw chain 5 Do not operate a chain saw in a tree on a la...

Page 6: ...e chain brake is working properly The run down brake is working properly The bar and the sprocket cover are fitted correctly The chain has been sharpened and ten sioned in accordance with the regulations 2 Do not start the chain saw with the chain cover being installed on it Starting the chain saw with the chain cover being installed on it may cause the chain cover to thrown out forward resulting ...

Page 7: ...nd in the packaging 11 When disposing the battery cartridge remove it from the tool and dispose of it in a safe place Follow your local regulations relating to disposal of battery 12 Use the batteries only with the products specified by Makita Installing the batteries to non compliant products may result in a fire exces sive heat explosion or leak of electrolyte 13 If the tool is not used for a lo...

Page 8: ... 10 11 13 14 2 12 Fig 2 1 Front hand guard 2 Lever 3 Guide bar 4 Saw chain 5 Guide bar cover 6 Lock off button 7 Rear handle 8 Switch trigger 9 Battery cartridge 10 Front handle 11 Oil tank cap 12 Spike bumper 13 Chain catcher 14 Adjusting dial ...

Page 9: ... to you or someone around you CAUTION Do not install the battery cartridge forcibly If the cartridge does not slide in easily it is not being inserted correctly Indicating the remaining battery capacity Only for battery cartridges with the indicator 1 2 Fig 4 1 Indicator lamps 2 Check button Press the check button on the battery cartridge to indi cate the remaining battery capacity The indicator l...

Page 10: ...nter for repairs WARNING Never disable the lock function or tape down the lock off button CAUTION Before installing the battery cartridge into the tool always check to see that the switch trigger actuates properly and returns to the OFF position when released NOTICE Do not pull the switch trigger forcibly with out pressing the lock off button The switch may break 1 2 Fig 5 1 Lock off button 2 Swit...

Page 11: ... install the saw chain perform the following steps 1 Release the chain brake by pulling the front hand guard 2 Pull the lever up while pressing its edge 1 Fig 7 1 Lever 3 Turn the lever counterclockwise until the sprocket cover comes off 1 2 Fig 8 1 Lever 2 Sprocket cover 4 Remove the sprocket cover 5 Check the direction of the saw chain Match the direction of the saw chain with that of the mark o...

Page 12: ...lockwise until the sprocket cover is secured then return it to the original position 1 2 Fig 13 1 Lever 2 Sprocket cover Removing the saw chain To remove the saw chain perform the following steps 1 Release the chain brake by pulling the front hand guard 2 Turn the adjusting dial to direction to release the saw chain tension 1 Fig 14 1 Adjusting dial 3 Pull the lever up while pressing its edge 1 Fi...

Page 13: ...sition Make sure the saw chain fits snugly against the lower side of the bar OPERATION Lubrication CAUTION Do not operate the chain saw when the tank is empty Replenish the oil in due time before the tank is empty CAUTION Prevent the oil from coming into contact with the skin and eyes Contact with the eyes causes irritation In the event of eye contact flush the affected eye immediately with clear ...

Page 14: ...hain saw CAUTION The first time user should as a minimum practice do cutting logs on a saw horse or cradle CAUTION When sawing precut timber use a safe support saw horse or cradle Do not steady the workpiece with your foot and do not allow anyone else to hold or steady it CAUTION Secure round pieces against rotation CAUTION Keep all parts of the body away from the saw chain when the motor is opera...

Page 15: ...ined persons A hazard is presented by the risk of kickback When limbing support the chain saw on the trunk if possible Do not cut with the tip of the bar as this presents a risk of kickback Pay particular attention to branches under tension Do not cut unsupported branches from below Do not stand on the felled trunk when limbing Burrowing and parallel to grain cuts CAUTION Burrowing and parallel to...

Page 16: ...1 Felling direction 2 Danger zone 3 Escape route When felling trees follow the procedures below 1 Cut a scarf as close to the ground as possible First make the horizontal cut to a depth of 1 5 1 3 of the trunk diameter Do not make the scarf too large Then make the diagonal cut Fig 31 NOTE The scarf determines the direction in which the tree will fall and guides it It is made on the side towards wh...

Page 17: ...tter length 2 Distance between cutting edge and depth gauge 3 Minimum cutter length 3 mm All cutter length must be equal Different cutter lengths prevent the saw chain from running smoothly and may cause the saw chain to break Do not sharpen the chain when the cutter length has reached 3 mm or shorter The chain must be replaced with new one The chip thickness is determined by the distance between ...

Page 18: ...n Fig 39 Cleaning the sprocket cover Chips and saw dust will accumulate inside of the sprocket cover Remove the sprocket cover and saw chain from the tool then clean the chips and saw dust Fig 40 Cleaning the oil discharge hole Small dust or particles may be built up in the oil dis charge hole during operation These dust or particles may impair the oil to flow and cause an insufficient lubrication...

Page 19: ...ys fit a new locking ring when replacing the sprocket 1 2 Fig 43 1 Locking ring 2 Sprocket NOTICE Make sure that the sprocket is installed as shown in the figure Storing the tool 1 Clean the tool before storing Remove any chips and sawdust from the tool after removing the sprocket cover 2 After cleaning the tool run it under no load to lubri cate the saw chain and guide bar 3 Cover the guide bar w...

Page 20: ...ot described in the instruction manual All such work must be carried out by our authorized service center Check item Operating time Before operation Everyday Every week Every 3 month Annually Before storage Chain saw Inspection Cleaning Check at authorized service center Saw chain Inspection Sharpening if necessary Guide bar Inspection Remove from the chain saw Chain brake Check the function Have ...

Page 21: ...rvice center in your region for repair Chain does not stop even the chain brake is activated Stop the tool immediately The brake band is worn down Ask the authorized service center in your region for repair Abnormal vibration Stop the tool immediately Loose guide bar or saw chain Adjust the guide bar and saw chain tension Tool malfunction Ask the authorized service center in your region for repair...

Page 22: ...Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan www makita com 885980 922 EN 20220419 ...

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