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Makita DUC254SF, Instruction Manual, Page: 19 / 20

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Makita DUC254SF Instruction Manual Download Page 19

19 ENGLISH

Check item / Operating time

Before 

operation

Everyday

Every week

Every 3 

month

Annually

Before 

storage

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 lever

Inspection.

-

-

-

-

-

Oil tank cap

Check 

tightness.

-

-

-

-

-

Chain catcher

Inspection.

-

-

-

-

-

Screws and 

nuts

Inspection.

-

-

-

-

-

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.

Battery problem (low voltage).

Recharge the battery cartridges. If recharg-

ing is not effective, replace the battery 

cartridge.

Main power switch is off.

The chain saw is automatically turned off if 

it is un-operated for a certain period. Turn 

on the main power switch again.

The saw chain does not run.

Chain brake activated.

Release chain brake.

The motor stops running after a little use.

Battery's charge level is low.

Recharge the battery cartridges. If recharg-

ing is not effective, replace the battery 

cartridge.

No oil on the chain.

Oil tank is empty.

Fill the oil tank.

Oil guide groove is dirty.

Clean the groove.

Poor oil delivery.

Adjust the amount of oil delivery with the 

adjusting screw.

The chain saw does not reach maximum 

RPM.

Battery cartridge is installed improperly.

Install the battery cartridges as described 

in this manual.

Battery power is dropping.

Recharge the battery cartridge. If recharg-

ing is not effective, replace the battery 

cartridge.

The drive system does not work correctly.

Ask the authorized service center in your 

region for repair.

The main power lamp is blinking in green.

Switch trigger is pulled under an unoperat-

able condition.

Pull the switch trigger after the main power 

switch is turned on and the chain brake is 

released.

Summary of Contents for DUC254SF

Page 1: ...INSTRUCTION MANUAL Cordless Chain Saw DUC204 DUC254 DUC254C ENGLISH Original instructions Read before use ...

Page 2: ...ment s including the battery cartridge The lightest and heavi est combination according to EPTA Procedure 01 2014 are shown in the table Applicable battery cartridge BL1815N BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860B Some of the battery cartridges listed above may not be available depending on your region of residence WARNING Only use the battery cartridges listed above Us...

Page 3: ...d to an environmentally compatible recycling facility Intended use The tool is intended for cutting branches and pruning trees It is also suitable for tree service SAFETY WARNINGS General power tool safety warnings WARNING Read all safety warnings instruc tions illustrations and specifications provided with this power tool Failure to follow all instructions listed below may result in electric shoc...

Page 4: ...ols 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 protective goggles to protect your eyes from injury when using power tools The goggles must comply with ANSI Z87 1 in the USA EN 166 in Europe or AS NZS 1336 in Australia New Zealand In Australia New Zealand it is legally required to wear a face...

Page 5: ...a live wire may make exposed metal parts of the power tool live and could give the operator an electric shock 4 Wear safety glasses and hearing protection Further protective equipment for head hands legs and feet is recommended Adequate protec tive clothing will reduce personal injury by flying debris or accidental contact with the saw chain 5 Always keep proper footing 6 When cutting a limb that ...

Page 6: ... center for the inspec tion and repair 8 Always activate the chain brake before starting the chain saw 9 Hold the saw firmly in place to avoid skating skid move ment or bouncing of the saw when starting a cut 10 At the end of the cut be careful to keep your balance due to the drop 11 Take into account the direction and speed of the wind Avoid sawdust and chain oil mist Protective equipment 1 In or...

Page 7: ... drop or strike battery 9 Do not use a damaged battery 10 The contained lithium ion batteries are subject to the Dangerous Goods Legislation require ments For commercial transports e g by third parties forwarding agents special requirement on pack aging and labeling must be observed For preparation of the item being shipped consult ing an expert for hazardous material is required Please also obser...

Page 8: ...p handle 3 Lock off lever 4 Front hand guard 5 Guide bar 6 Saw chain 7 Chain catcher 8 Retaining nut 9 Chain adjusting screw 10 Chip guide 11 Battery cartridge 12 Main power lamp 13 Main power switch 14 Adjusting screw for oil pump 15 Carabiner 16 Front handle 17 Oil tank cap 18 Guide bar cover ...

Page 9: ...ll out of the tool causing injury 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 1 Indicator lamps 2 Check button Press the check button on the battery cartridge to indi cate the remaining batte...

Page 10: ...ode up to 60 seconds Depending on the usage conditions this mode shifts to the normal mode in less than 60 seconds NOTE If the main power lamp blinks in yellow when you press the main power switch for a few seconds the Torque Boost mode is not available In this case follow the steps below The Torque Boost mode is not available right after the cutting operation Wait for more than 10 sec onds and th...

Page 11: ...onds Adjusting the chain lubrication You can adjust the oil pump feed rate with the adjusting screw using the universal wrench The amount of oil can be adjusted in 3 steps 1 1 Adjusting screw Carabiner rope attachment point You can hang the tool by attaching the rope to the cara biner Pull up the carabiner and then tie it with the rope Electronic function The tool is equipped with the electronic f...

Page 12: ...ocket 2 Hole 4 Insert the protrusion on the sprocket cover to the chain saw body and then close the cover so that the bolt and pins on the chain saw body meet their counter parts on the cover 2 3 4 1 1 Protrusion 2 Sprocket cover 3 Bolt 4 Pin 5 Tighten the retaining nut to secure the sprocket cover then loosen it a bit for tension adjustment 1 1 Retaining nut Adjusting saw chain tension CAUTION Do...

Page 13: ...o 2 mm 4 Keep holding the guide bar lightly and tighten the sprocket cover For chain blade 90PX and 91PX Make sure that the saw chain does not loose at the lower side For chain blade 25AP Make sure that the gap between the center of the lower side of the guide bar and the saw chain is approximately 1 mm to 2 mm 5 Tighten the retaining nut to secure the sprocket cover 1 1 Retaining nut Make sure th...

Page 14: ...oil may harm trees NOTICE Before the cutting operation make sure that the provided oil tank cap is screwed in place WORKING WITH THE CHAIN SAW CAUTION The first time user should as a mini mum 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 st...

Page 15: ...al cuts switch the chain saw off between cuts CAUTION If the upper edge of the bar is used 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 When you cut a wood under tension cut the pressured side A first Then make the final cut from the tensioned side B This preve...

Page 16: ...harpen the saw chain frequently but a little each time Two or three strokes with a file are usually sufficient for routine resharpening When the saw chain has been resharpened several times have it sharpened in our authorized service center Sharpening criteria WARNING An excessive distance between the cutting edge and depth gauge increases the risk of kickback 2 2 1 1 3 1 1 Cutter length 2 Distanc...

Page 17: ...sory is employed The file holder has markings for the correct sharpening angle of 30 align the markings parallel to the saw chain and limits the depth of penetration to 4 5 of the file diameter 30 1 5 1 1 File holder After sharpening the chain check the height of the depth gauge using the chain gauge tool optional accessory Remove any projecting material however small with a special flat file opti...

Page 18: ...sprocket 1 2 1 Sprocket 2 Areas to be worn out Always fit a new locking ring when replacing the sprocket 1 2 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...

Page 19: ...fective replace the battery cartridge Main power switch is off The chain saw is automatically turned off if it is un operated for a certain period Turn on the main power switch again The saw chain does not run Chain brake activated Release chain brake The motor stops running after a little use Battery s charge level is low Recharge the battery cartridges If recharg ing is not effective replace the...

Page 20: ...ge with a fully charged one or recharge the battery cartridge OPTIONAL ACCESSORIES CAUTION These accessories or attachments are recommended for use with your Makita tool spec ified in this manual The use of any other accessories or attachments might present a risk of injury to persons Only use accessory or attachment for its stated purpose If you need any assistance for more details regarding thes...

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