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General Instructions for Battery
Powered Tools and Chargers...

DO NOT USE THE TOOLS WITHIN 
THE DESIGNATED SAFETY AREAS OF
FLAMMABLE LIQUID STORES OR IN

AREAS WHERE THERE MAY BE VOLATILE
GASES. THERE ARE VERY EXPENSIVE, VERY
SPECIALISED TOOLS FOR WORKING IN THESE
AREAS.

Do not discard old batteries or old cutting
tools of any description into general rubbish;
the cutting tools may still be sharp enough to
inflict an injury; batteries if included in 
rubbish that is to be disposed of by burning
are an explosion hazard.

Similarly, do not dispose of old battery packs into
clean water run-offs; if they eventually leak, they
will become a pollutant hazard.

When not in use, tools and battery packs should,
ideally, be separated and kept in dry secure 
storage, care being taken to ensure that battery
terminals are not liable to be, shorted together
by adjacent metal objects.

Above all, 

OBSERVE..

make sure you know what

is happening around you, and 

USE YOUR 

COMMON SENSE.

The Tools

Before using the tool read the instructions
thoroughly and make sure you understand them.
Prior to assembling the tool and its battery pack,
carry out a visual inspection of the tool, checking
for damage, or anything untoward. (Do you know
who used it last? That person may be able to
confirm that the tool was "fine" when last used.
Check that the battery terminals are clean and
the casing is not damaged. It is always advisable

to insert nails into the tool with the battery pack
disengaged in case the trigger switch is inadver-
tently operated; as this is not always practical, use
the stop lock on the tool (if fitted) or keep fingers
away from the trigger switch when handling the
nailer. Check that the nails are seated correctly

Where the workpiece is a small loose item
consider clamping it to a firm work surface to
prevent movement and to enable you to have
both hands free to operate the tool.

Do not drain the battery completely, you will
notice when the performance drops off,
(usually the speed will fall progressively as the
tool is put under load). Change the battery at this
time, not only will you minimise the chance of
damage to the battery but you will prolong its
life expectancy (Number of charges) and also its
ability to accept its full charge capacity.

If the tool becomes excessively hot, perhaps
during or after a long, hard work session allow
the nailer to cool down for at least 10 minutes
Try to avoid work situations that subject the tool
to continuous overheating.

When the work operation is complete, dissemble
the tool, carry out an inspection for damage of
the tool, store in a dry secure area, and re-charge
any depleted battery packs. Do not re-charge
battery packs that have only been subjected to
minimal use, e.g. less than 15 minutes work.

Do not use the charger as a storage facility for
the battery packs, once the charge is complete
remove the battery from the charger and store
separated. 

!

06

Summary of Contents for GFN3490

Page 1: ...ails This nailer is powerful but light to use and able to drive 51 90mm 34 ring shanked nails into all timbers with ease An adjustable depth control full sequential action effective air fil ters and a...

Page 2: ...tem complies with the essential health and safety requirements of the Directive 2006 42 EC as amended 2 3 Compliance with EN 60204 1 gives compliance with the voltage directive 2000J95 EC 2 4 The file...

Page 3: ...ff Piston Removel Rod 1 off Instruction Manual 03 A B C D E F G A B C D E F G Having unpacked your framing nailer please check the contents against the What s in the box list above If there are any pi...

Page 4: ...general household waste If you have a spent NiMh Electrolytic battery pack you must dispose of it responsibly We respectfully suggest that you contact the local environmental control officer at your l...

Page 5: ...rs near the trigger switch and engage the stop lock of the tool if one is available It is preferable to move small tools e g drills and jigsaws to the work area in their carrying storage cases if this...

Page 6: ...the casing is not damaged It is always advisable to insert nails into the tool with the battery pack disengaged in case the trigger switch is inadver tently operated as this is not always practical u...

Page 7: ...if you are having to force the battery into the charger the chances are you have it the wrong way round check and try again 8 Switch the charger on and check that the correct indicators illuminate all...

Page 8: ...d function If there is any doubt have the tool repaired and tested by a suitably qualified person 10 REPLACEMENT PARTS AND ACCESSORIES When servicing only use approved replacement parts Only fit the a...

Page 9: ...meter Fuel Cell LIfe Charge Time Load Capacity Overall L x W x H Weight Battery Charger Model Power Supply Charging Current Charging Time Trade 2 x 3000mAh 2 x D C 7 2V NiMh 4000 Nails per Charge 2 3...

Page 10: ...you receive it The information below is a description of the framing nailer and to get a better understanding of the functions Battery Trigger Indication lamp Magazine lock Magazine Contact element F...

Page 11: ...Charger NiMh Battery s T Battery Terminal Charger Terminal RED LED FLASHING GREEN LED Green LED indication lamp charger is ON Red LED indication lamp FLASHING battery is being charged Red and Green i...

Page 12: ...e such as over charge over discharge and high temperatures will result in a short life span To avoid this the batteries should be charged and discharged once every three months Fig 1 Fig 2 Installing...

Page 13: ...e Hex screws and replace the spring See figs 10 11 Installing the fuel cell Adjusting the nail depth 1 Push in fuel cell lock and open the cover 2 Insert the fuel cell into the compartment Direct the...

Page 14: ...ll and battery before continuing 1 Depress the magazine lock button and pull it back to the rear of the magazine until it lock in place 2 Insert the nail strip into the magazine 3 Depress the lock but...

Page 15: ...h opens the combustion chamber to allow the fan to blow the hot gases through the exhaust vents Anti dry fire mechanism Lock This mechanism prevents the tool from firing when the nails have depleted S...

Page 16: ...d Continuous operation 1200 nails per hour No more than 5000 nails per day After 12 000 cycles the following service procedures should be carried out Fig 23 Fig 24 Firing Frequency Cleaning the air fi...

Page 17: ...b from the fuel cell compartment 4 Remove the spark plug lead c 5 Lift out the cylinder head assembly See figs 27 28 29 30 31 6 Remove the steel O ring d and clean the fan cylinder head assembly with...

Page 18: ...the combustion chamber with de greaser and wipe with a dry cloth See fig 35 9 Replace the cylinder head assembly as described on the previous page but in reverse 1 Remove the cylinder head as describe...

Page 19: ...c remove them and place safely aside See fig 41 beneath the exhaust plate see fig 43 place these spacers safely aside 5 Remove exhaust plate valve d clean with de greaser and place safely aside See fi...

Page 20: ...ver with a clean soft cloth 3 Check the air filter and clean if dustly The GFN3490 gas nailer uses the same nails and fuel cells as many other brands see our catalogue or visit our website at www axmi...

Page 21: ...21 Troubleshooting...

Page 22: ...Parts Breakdown 22...

Page 23: ...Parts List 23...

Page 24: ......

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