Makita GN420CSE Instruction Manual Download Page 3

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Be sure to identify safety measures to protect the 
operator that are based on an estimation of 
exposure in the actual conditions of use (taking 
account of all parts of the operating cycle such as 
the times when the tool is switched off and when it 
is running idle in addition to the trigger time). 
 

ENH003-14 

For European countries only 

EC Declaration of Conformity 

We Makita Corporation as the responsible 
manufacturer declare that the following Makita 
machine(s): 

Designation of Machine: 
Cordless Concrete Nailer 
Model No./ Type: GN420C 
are of series production and 

Conforms to the following European Directives: 

2006/42/EC 

And are manufactured in accordance with the following 
standards or standardised documents: 

EN792,EN60745 

The technical documentation is kept by:   

Makita International Europe Ltd. 
Technical Department, 
Michigan Drive, Tongwell, 
Milton Keynes, Bucks MK15 8JD, England 
 

29.03.2012 

 

000230 

Tomoyasu Kato 

Director 

Makita Corporation 

3-11-8, Sumiyoshi-cho, 

Anjo, Aichi, 446-8502, JAPAN 

 

GEA006-2 

General Power Tool Safety 
Warnings 

 

WARNING Read all safety warnings and all 

instructions.

 Failure to follow the warnings and 

instructions may result in electric shock, fire and/or 
serious injury. 

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 operate power tools in explosive 
atmospheres, such as in the presence of 
flammable liquids, gases or dust.

 Power tools 

create sparks which may ignite the dust or fumes. 

3. 

Keep children and bystanders away while 
operating a power tool.

 Distractions can cause 

you to lose control. 

Electrical safety 

4. 

Power tool plugs must match the outlet. Never 
modify the plug in any way. Do not use any 
adapter plugs with earthed (grounded) power 
tools.

 Unmodified plugs and matching outlets will 

reduce risk of electric shock. 

5. 

Avoid body contact with earthed or grounded 
surfaces such as pipes, radiators, ranges and 
refrigerators.

 There is an increased risk of 

electric shock if your body is earthed or grounded. 

6. 

Do not expose power tools to rain or wet 
conditions.

 Water entering a power tool will 

increase the risk of electric shock. 

7. 

Do not abuse the cord. Never use the cord for 
carrying, pulling or unplugging the power tool. 
Keep cord away from heat, oil, sharp edges or 
moving parts.

 Damaged or entangled cords 

increase the risk of electric shock. 

8. 

When operating a power tool outdoors, use an 
extension cord suitable for outdoor use.

 Use 

of a cord suitable for outdoor use reduces the risk 
of electric shock. 

9. 

If operating a power tool in a damp location is 
unavoidable, use a ground fault circuit 
interrupter (GFCI) protected supply.

 Use of an 

GFCI reduces the risk of electric shock.   

Personal safety 

10. 

Stay alert, watch what you are doing and use 
common sense when operating a power tool. 
Do not use a power tool while you are tired or 
under the influence of drugs, alcohol or 
medication.

 A moment of inattention while 

operating power tools may result in serious 
personal injury. 

11. 

Use personal protective equipment. Always 
wear eye protection.

 Protective equipment such 

as dust mask, non-skid safety shoes, hard hat, or 
hearing protection used for appropriate conditions 
will reduce personal injuries.   

12. 

Prevent unintentional starting. Ensure the 
switch is in the off-position before connecting 
to power source and/or battery pack, picking 
up or carrying the tool.

 Carrying power tools 

with your finger on the switch or energising power 
tools that have the switch on invites accidents.   

Summary of Contents for GN420CSE

Page 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL IMPORTANT Read Before Using Cordless Concrete Nailer GN420C 013225 ...

Page 2: ...terials Do not use on scaffoldings ladders Warning hot surface Do not touch around this symbol Touching the surface may cause burns or injuries Only for EU countries Do not dispose of electric equipment or battery pack together with household waste material In observance of European Directive 2002 96 EC on waste electric and electronic equipment 2006 66 EC on batteries and accumulators and waste b...

Page 3: ...ons can cause you to lose control Electrical safety 4 Power tool plugs must match the outlet Never modify the plug in any way Do not use any adapter plugs with earthed grounded power tools Unmodified plugs and matching outlets will reduce risk of electric shock 5 Avoid body contact with earthed or grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of elec...

Page 4: ...instructions taking into account the working conditions and the work to be performed Use of the power tool for operations different from those intended could result in a hazardous situation Battery tool use and care 24 Recharge only with the charger specified by the manufacturer A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack 25...

Page 5: ...re Death or serious injury may occur Always check contact element as instructed in this manual fasteners may be driven accidentally if the safety mechanism is not working correctly Loading fasteners Do not load the tool with fasteners when any one of the operating controls is activated Use only fasteners specified in this manual The use of any other fasteners may cause malfunction of the tool Powe...

Page 6: ...s should be performed by Makita Authorized Service Centers always using Makita replacement parts SAVE THESE INSTRUCTIONS WARNING DO NOT let comfort or familiarity with product gained from repeated use replace strict adherence to safety rules for the subject product MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury ENC009 1 IMPORTANT SA...

Page 7: ...y installment opening and slip it into place Insert it all the way until it locks in place with a little click 1 2 013151 To remove the battery cartridge withdraw it from the tool while pressing the both sides of the cartridge CAUTION Always insert the battery cartridge all the way until it locks in place If not it may accidentally fall out of the tool causing injury to you or someone around you D...

Page 8: ...e jet nozzle of the metering valve toward the adaptor 013154 Insert the jet nozzle into the small hole of the adapter properly 013155 Put the fuel cover over the metering valve and push it down to latch Adjusting the nailing depth CAUTION Remove the fuel cell the battery cartridge and nails before adjusting the depth of nailing 1 013168 To get shallower depth turn the adjuster to right direction a...

Page 9: ...e carrying out any work on the tool Loading the nailer 1 013157 Insert a strip of nails into the slit in the rear of the magazine The nails stop at the entrance of the magazine because of the nail stopper Unlock the magazine by pressing the button of the nail stopper to insert the nails 1 013158 Pull the pusher lever with pressing the pusher button all the way to the rear of the magazine Then rele...

Page 10: ...cause concrete fragments to fly off or nails to strike back causing serious injuries Do not use the tool on the surface that objects hang from such as area where hangers for sewer pipe dust pipe etc are set up Choose and use appropriate nails so that the penetration amount into concrete ranges 15 mm 20 mm 1 2 010319 CAUTION Use this tool only for soft concrete built up not so long before Using on ...

Page 11: ...result Maintenance after daily work At the end of daily work conduct an end of workday routine These simple steps are based on maintaining the safety and performance of the tool Before leaving the work site Remove the battery cartridge and store in a tool carrying case Always use the tool carrying case for transporting and storing the tool Dispose of all empty cells where they will not be found by...

Page 12: ...e recommended for use with your Makita tool specified 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 these accessories ask your local Makita Service Center Nails Magazine Safety goggles Fuel cell Cleaning kit Makita genuine battery ...

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Page 16: ...16 Makita Corporation Anjo Aichi Japan www makita com 885157 222 ...

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