SPECIFICATIONS Model: DUC303 DUC353 DUC400 Overall length (without guide bar) 443 mm Rated voltage D.C. 36 V Net weight 4.6 - 5.5 kg Standard guide bar length 300 mm 350 mm 400 mm Recommended guide bar length 300 - 400 mm Applicable saw chain type 90PX (refer to the table below)
Symbols Vibration The following show the symbols used for the equip- The vibration total value (tri-axial vector sum) deter- ment. Be sure that you understand their meaning before mined according to EN60745-2-13: use. Model DUC303 Work mode: cutting wood Read instruction manual. Vibration emission (a ) : 5.3 m/s Uncertainty (K) : 1.5 m/s...
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Do not use the power tool if the switch does Electrical Safety not turn it on and off. Any power tool that cannot Power tool plugs must match the outlet. Never be controlled with the switch is dangerous and modify the plug in any way. Do not use any must be repaired.
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Tip contact in some cases may cause a sudden Cordless Chain saw safety warnings reverse reaction, kicking the guide bar up and back towards the operator. Pinching the saw chain Keep all parts of the body away from the saw along the top of the guide bar may push the guide chain when the chain saw is operating.
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Use of non-genuine Makita batteries, or batteries that SAVE THESE INSTRUCTIONS. have been altered, may result in the battery bursting also void the Makita warranty for the Makita tool and WARNING: DO NOT let comfort or familiarity charger. with product (gained from repeated use) replace...
PARTS DESCRIPTION Battery cartridge Front hand guard Guide bar Saw chain Lever Check button Capacity indicator Main power lamp Main power switch Lock-off lever Rear handle Switch trigger Front handle Oil tank cap Chain catcher Guide bar cover 7 ENGLISH...
Tool / battery protection system FUNCTIONAL DESCRIPTION The tool is equipped with a tool/battery protection sys- tem. This system automatically cuts off power to the motor to extend tool and battery life. The tool will auto- matically stop during operation if the tool or battery is CAUTION: Always be sure that the tool is placed under one of the following conditions.
Main power switch Capacity indicator status Remaining battery capacity WARNING: Always turn off the main power Blinking switch when not in use. 50% to 100% To stand by the chain saw, press the main power switch until the main power lamp lights up. To turn off, press the main power switch again.
Checking the run-down brake CAUTION: If the saw chain does not stop within one second in this test, stop using the chain saw and consult our authorized service center. Run the chain saw then release the switch trigger com- pletely. The saw chain must come to a standstill within one second.
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Pull the lever up while pressing its edge. Fit in one end of the saw chain on the top of the guide bar and the other end around the sprocket. 1. Lever 1. Sprocket the saw chain tension. Rest the guide bar in place on the chain saw. Turn the lever counterclockwise until the sprocket cover comes off.
Turn the lever clockwise until the sprocket cover is secured then return it to the original position. to loosen, turn to the "+" direction to tighten. Tighten the guide bar rail as illustrated. 1. Lever 2. Sprocket cover Adjusting saw chain tension 2.
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.
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Bucking Limbing Rest the bottom edge of the chain saw body on CAUTION: Limbing may only be performed by the wood to be cut. trained 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.
• The base of the trunk is free of foreign 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 diameter between the back distance of 2 1/2 tree lengths in the direction act as a hinge.
— The sharpening angle of 30° must be the same on Sharpening the saw chain all cutters. Different cutter angles cause the chain to run roughly and unevenly, accelerate wear, and Sharpen the saw chain when: lead to chain breaks. •...
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 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.
Switch trigger Inspection. Lock-off lever Inspection. Oil tank cap Check tightness. Chain catcher Inspection. Screws and Inspection. nuts To maintain product SAFETY and RELIABILITY, be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 18 ENGLISH...
TROUBLESHOOTING 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. Two battery cartridges are not installed. Install two charged battery cartridges.
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J an- B apt i s t Vi nk s t r aat 2, M a k i t a E u r o p e N . V . 3070 K or t enber g, B el gi um 3- 11 - 8 , S u m i y o s h i - c h o , M a k i t a C o r p o r a t i o n A n j o , A i c hi 446- 8502 J apan...
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