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12

Function Description...

Charging the battery

The batteries are shipped discharged and must
be charged prior to first use. Locate the charger

(C)

and one of the two 7.2V batteries 

(B)

. Plug

the charger into the mains and switch on. The
GREEN LED indicator will light up. Insert the
battery 

(B)

into the charger, 

NOTE MAKE SURE

THE BATTERY IS IN THE CORRECT 
ORIENTATION IN THE CHARGER. 

(See figs 1

and 2) The RED LED will start flashing and charg-
ing will commence. Charging time will take

approximately three hours. When charging is
complete both LED indicators will stay on.
Disconnect the 
battery charger 

(C)

from the mains and remove

the battery 

(B)

from the charger.

NOTE: Over usage 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 or removing the battery

!

B

C

RED LED

FLASHING

GREEN LED

Hold the battery 

(B)

so the lock button is on top.

Inset the battery into the installment opening to
the rear of the nailer 

(A)

, see fig 3 and insert   it in

until it clicks home.

WARNING DO NOT USE FORCE

when

inserting the battery cartridge. If it does not slide
in easily, it is not being inserted correctly.

To remove the battery 

(B)

, press down the lock

button and pull the battery back.

Fig 3

Fig 4

A

B

Fuel cell

Remove the cap 

(2)

, push in the metering valve

front edge 

(1)

then push in the back edge until it

seats. (See fig 4)

1)

Metering valve

2)

Cap

2

1

1

Front

edge

Back

edge

Attaching the metering valve to the fuel cell

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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