SPECIFICATIONS Model: DUC204 DUC254 DUC254C Overall length (without guide bar) 256 mm Rated voltage D.C. 18 V Net weight 2.8 - 3.3 kg Standard guide bar length 200 mm 250 mm Recommended guide bar with 90PX 200 - 250 mm...
When operating a power tool outdoors, use an WARNING: The vibration emission during actual extension cord suitable for outdoor use. Use of use of the power tool can differ from the declared emission a cord suitable for outdoor use reduces the risk of value depending on the ways in which the tool is used.
Page 5
Use power tools only with specifically desig- nated battery packs. Use of any other battery packs may create a risk of injury and fire. When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another.
Page 6
When cutting a limb that is under tension be • Do not overreach and do not cut above alert for spring back. When the tension in the shoulder height. This helps prevent unin- wood fibres is released the spring loaded limb may tended tip contact and enables better control strike the operator and/or throw the chain saw out of the chain saw in unexpected situations.
Page 7
Always activate the chain brake before starting of “white finger disease”, keep your hands warm the chain saw. during operation and well maintain the equipment and accessories. Hold the saw firmly in place to avoid skating (skid movement) or bouncing of the saw when SAVE THESE INSTRUCTIONS. starting a cut.
Makita warranty for the Makita tool and Charge the battery cartridge with room tem- charger. perature at 10 °C - 40 °C (50 °F - 104 °F). Let a hot battery cartridge cool down before charging it.
Indicating the remaining battery FUNCTIONAL capacity DESCRIPTION Only for battery cartridges with the indicator CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool. Installing or removing battery cartridge CAUTION: Always switch off the tool before...
Overheat protection NOTE: You can use the tool in the Torque Boost mode up to 30 seconds. Depending on the usage conditions, this When the tool or battery is overheated, the tool stops mode shifts to the normal mode in less than 30 seconds. automatically and the main power lamp lights up in red.
Checking the chain brake Adjusting the chain lubrication You can adjust the oil pump feed rate with the adjusting CAUTION: Hold the chain saw with both screw using the universal wrench. The amount of oil hands when switching it on. Hold the top handle can be adjusted in 3 steps. with your right hand, the front handle with your left.
To remove the saw chain, perform the following steps: Insert the protrusion on the sprocket cover to the chain saw body, and then close the cover so that the Release the chain brake by pulling the front hand bolt and pins on the chain saw body meet their counter- guard.
The saw chain may become loose after many hours of use. Tighten the retaining nut to secure the sprocket From time to time check the saw chain tension before use. cover. Release the chain brake by pulling the front hand guard.
Page 14
The oil delivery may otherwise be impaired. NOTICE: Use the saw chain oil exclusively for Makita chain saws or equivalent oil available in the market. NOTICE: Never use oil including dust and parti- cles or volatile oil.
Page 15
When cutting thick branches, first make a shallow CAUTION: If the upper edge of the bar is used undercut and then make the finish cut from the top. for cutting, the chain saw may be deflected in your direction if the chain becomes trapped. For this reason, cut with the lower edge, so that the saw will be deflected away from your body. If you try to cut off thick branches from the bottom, the branch may close in and pinch the saw chain in the cut.
Discoloration, deformation or cracks may result. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. Sharpening the saw chain Sharpen the saw chain when: —...
— The file should only engage the cutter on the for- — Remove any projecting material, however small, ward stroke. Lift the file off the cutter on the return with a special flat file (optional accessory). stroke. — Round off the front of the depth gauge again. — Sharpen the shortest cutter first. Then the length Cleaning the guide bar of this shortest cutter becomes the standard for all other cutters on the saw chain. Chips and sawdust will build up in the guide bar groove. —...
Always fit a new locking ring when replacing the Cleaning the oil discharge hole sprocket. 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 on the whole saw chain. When a poor chain oil delivery occurs at the top of guide bar, clean the oil discharge hole as follows.
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.
TROUBLESHOOTING Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual, do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace- ment parts for repairs. Malfunction status Cause Action The chain saw does not start. Battery cartridge is not installed. Install a charged battery cartridge.