Toua GFN3490CH Maintenance and service guide

MOD(/: GFN3490CH
GAS FRAMING NAILER
SAFETY OPERATE MANUAL

CONTENTS
ITEM PAGE
1. SAFETY 1
2. SPECIFICATION 6
3. GENERAL OPERATION MANUAL 7
4. MAINTENANCE 15
5. EXPLODED DRAWING AND PARTS LIST 18
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IMPORTANT INFORMATION MUST TO KNOW
BEFORE TO READ
Read and understand tool labels
and all of operating instructions,
safety precautions and warnings in
this manual before operating or
maintaining this nailer.
Failure to follow warnings could result in DEATH
or SERIOUS INJURY.
Most accidents that result from the operation and
maintenance of Nailers are caused by the failure
to observe basic safety rules or precautions. An
accident can often be avoided by recognizing
a potentially hazardous situation before it
occurs, and by observing appropriate safety
procedures.
Basic safety precautions are outlined in the
“SAFE TY ” sectio n of this Manual.
Hazards that must be avoided to prevent bodily
injury or machine damage are identified by
DANGERS and WARNINGS on the Nailer and in
this Manual.
Never use this Nailer for applications other than
those specified in this Manual.
DEFINITIONS OF SIGNAL WORDS
DANGER indicates an imminent hazardous situation
which, if not avoided, will result in death
or serious injury.
WARNING indicates a potentially hazardous
situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury, or
may cause machine damage.
NOTE emphasizes essential information.
EXPLANATION OF THE FUNCTION OF THE NAILER
This tool has a FULL SEQUENTIAL ACTUATION
MECHANISM（on the nailer body mark del operator ).
First, press the push lever ( push lever be called
apart of the full sequential actuation mechanism)
against the workpiece; press down of the nailer,
and then pull the trigger to drive the nail. Follow
the same sequence to continue driving nails after
the push lever and trigger are return back in place.
SAFETY
IMPORTANT SAFETY INSTRUCTIONS FOR
USING NAILERS
READ ALL INSTRUCTIONS
This Nailer is powered by internal
combustion device.
This Nailer shall only be used with
dispensers for combustible gas
which are listed in this manual.
DANGER
1. OPERATORS AND OTHERS IN WORK AREA
MUST WEAR SAFETY GLASSES WITH SIDE
SHIELDS.
When operating the Nailer, always
wear safety glasses with side
shields, and make sure others in
work area wear safety glasses.
Safety glasses must conform to the requirements
of American National Standards Institute,
ANSI Z87.1 and provide protection against flying
particles both from the front and side.
T he e mp lo ye r mu st e nf o r ce th e u se of
safety glasses by the Nailer operator and
others in work area.
2. NEVER USE IN PRESENCE OF FLAMMABLE
LIQUIDS OR GASES.
This Nailer must not be used in a
com bu stible e nvir on ment or in
presence of flammable liquids or
gases, e.g. lacquer, paint, benzine,
thinner or gasoline.
This Nailer produces hot exhaust gases that
may ignite flammable materials and produces
sparks during operation.
3. DO NOT TOUCH AROUND THE EXHAUST
OUTLET.
This Nailer produces hot exhaust
gases that may flammable materials.
Th e pus h l e v er a nd nose will
become hot and get heated up after
prolonged or rapid use.
Do not touch with bare hands.
4. EXPLOSION AND FIRE HAZARD.
The fuel cell is an aerosol dispensers
with flammable contents.
P r essured container and the
propellant will remain in the fuel cell.
Faillure to follow instructions may
result in explosion or fire.
1

120°F MAX
(50 )℃
2
Keep the Nailer, fuel cells and battery
away fr om su nsh ine and from
tem pe ra ture exce eding 120°F
(50°C).
Fuel cell and/or battery may burst,
releasing flammable gas.
Do not pierce or burn the container,
even after use.
Do not incinerate, refill, reclaim
or recycle the fuel cell.
Do not spray to a naked flame or any
incandescent material.
Keep away from ignition sources
No smoking.
Keep out of the reach of children.
WARNING
5. NEVER POINT TOOL AT YOURSELF OR OTHERS
IN WORK AREA.
Always assume the Nailer contains
fasteners.
Never point the Nailer at yourself or
others, whether it contains fasteners
or not.
If fasteners are mistakenly driven, it can lead to
severe injuries.
Never engage in horseplay with the Nailer.
Respect the Nailer as a working implement.
6. KE E P F INGE RS AWAY FROM TRIGGER
W H E N N O T D R I V I N G FAS T E NE RS T O
AVOID ACCIDENTAL FIRING.
Never carry the Nailer with finger on trigger
since you could drive a fastener unintentionally
and injure yourself or someone else.
Always carry the Nailer by the handle only.
7. ALWAYS WEAR EAR AND HEAD PROTECTION.
Always wear ear protection to protect your ears
from loud noise.
Always wear head protection to protect your head
from flying objects.
8. USE OUTSIDE OR WELL-VENTILATED AREAS.
This Nailer sha ll not be used in
enclosed or poorly ventilated areas.
This Nailer exhausts carbon monoxide
which is a danger to health when
inhaled.
Do not inhale.
9. STORE NAILER PROPERLY WITH FUEL CELL
AND BATTERY REMOVED.
When not in use, the Nailer, fuel cell and battery
should be store in tool case and in a dry place.
Store indoors at temperature 41°F (5°C) ～ 77°F（25°C）.
Keep the Nailer, fuel cell and battery out of
direct sunlight and out of in a vehicle.
Keep out of reach of children.
Look the storage area.
10. KEEP WORK AREA CLEAN.
Cluttered areas invite injuries. Clear all work
areas of unnecessary tools, debris, furniture, etc.
11. KEEP VISITORS AWAY.
Do not let visitors handle the Nailer.
All visitors should be kept safely away from
work area.
12. DRESS PROPERLY.
Do not wear loose clothing or jewelry as they can
be caught in moving parts.
Rubb er glo ves an d n onskid footwear are
recommended when working outdoors.
Wear protective hair covering to contain long hair.
13. CHECK PUSH LEVER BEFORE USE.
Remove fuel cell and battery, and then make
sure the push lever operates properly. Never use
the Nailer unless the push lever is operating
properly, otherwise the Nailer could drive a
fastener unexpectedly. Do not tamper with or
remove the push lever, otherwise the push lever
becomes inoperable.
14. KEEP ALL SCREWS AND COVERS TIGHTLY
IN PLACE.
Keep all screws and covers tightly mounted.
Check their condition periodically.
Never use the Nailer if parts are missing or
damaged.
15. DO NOT LOAD FASTENERS WITH TRIGGER
OR PUSH LEVER DEPRESSED.
When loading fasteners into the Nailer,
1) do not depress the trigger;
2) do not depress the push lever;
3) keep the Nailer pointed downward.
16. KEEP FACE, HANDS AND FEET AWAY FROM
FIRING HEAD DURING USE.
Never place your face, hands or feet closer than
8 inches (200 mm) from the firing head.
A serious injury can result if the fasteners are
deflected by the workpiece, or are driven away
from the point of entry.

3
17. PLACE NAILER PROPERLY ON WORKPIECE.
Do not drive fasteners on top of other fasteners
or with the Nailer at too steep of an angle; the
fasteners can ricochet and hurt someone.
18. DO NO T DRIVE FASTENERS INTO THIN
BOARDS OR NEAR CORNERS AND EDGES
OF WORKPIECE.
The fasteners can be driven through or away
from the workpiece and hit someone.
19. NEVER DRIVE FASTENERS FROM BOTH
SIDES OF A WALL AT THE SAME TIME.
The fasteners can be driven into and through
the wall and hit a person on the opposite side.
20. CHECK FOR LIVE WIRES.
Avoid the risk of severe electrical shock by
checking for live electrical wires that may be
hidden by walls, floors or ceilings. Turn off the
breaker switch to ensure there are no live wires.
21. DO NOT OVERREACH.
Keep proper footing and balance at all
times. Do not allowed operate the nailer
on the scaffold and ladder.
22. NEVER USE NAILER WHICH IS DEFECTIVE
OR OPERATING ABNORMALLY.
If the Nailer appears to be operating unusually,
making strange noises, or otherwise appears
defective, stop using it immediately and arrange
for repairs by a dealer authorized service center.
23. TAKE FUEL CELL AND BATTERY OUT OF
NAILER WHEN:
1) doing maintenance and inspection;
2) clearing a jam;
3) it is not in use;
4) leaving work area;
5) moving it to another location;
6) handing it to another person.
Never attempt to clear a jam or repair the Nailer
unless you have taken fuel cell and battery out
of the Nailer and removed all remaining fasteners
from the Nailer.
The Nailer should never be left unattended since
people who are not familiar with the Nailer might
handle it and injure themselves.
24. KEEP ALERT.
Operate the nailer only in good physical and mental
state.
Do not operate the Nailer when you are tired.
The Nailer should never be used by you if you
are under the influence of alcohol, drugs or
medication that makes you drowsy.
25. HANDLE NAILER CORRECTLY.
Operate the Nailer according to this Manual.
Never allow the Nailer to be operated by children,
individuals unfamiliar with its operation or
unauthorized personnel.
26. NEVER USE NAILER FOR APPLICATIONS
OTHER THAN THOSE SPECIFIED IN THIS
MANUAL.
27. HANDLE NAILER CAREFULLY.
Do not drop the Nailer or strike the Nailer against
hard surfaces; and do not scratch or engrave
signs on the Nailer. Handle the Nailer carefully.
28. MAINTAIN NAILER WITH CARE.
Keep the Nailer clean and lubricated for better
and safer performance.
29. U SE ONLY PA RT S, A CC ESSORIES OR
FASTENERS SUPPLIED OR RECOMMENDED
BY Dealer.
Unauthorized parts, accessories, or fasteners
may void your warranty and can lead to malfunction
and resulting injuries.
Only se rvice personnel tr aine d by dealer,
distributor or employer trained personnel shall
repair the Nailer.
30. NEVER MODIFY OR ALTER A NAILER.
Doing so may cause it to malfunction and personal
injuries may result.