17
PROBLEM
MCHECK METHOD
CORRECTION
Nailer operates,
but no nail is driven.
Check for a jam nails.
Clear a jam nails.
Check function of nail feeder.
Clean and lubricate.
Replace ribbon spring.
Check for proper nails.
Use only recommended nails.
Check if the driver blade piston is
down or not?
Skipping nails.
Intermittent feed.
Ribbon spring weakened or damaged?
Replace ribbon spring .
Nail feeder weakened or damaged?
Replace nail feeder.
Check for returning of piston.
Too low temperature, warm up fuel
cell under 50
(120
).
℃
℉
Check for moving of piston smoothly.
Replace piston assembly.
Nail jam.
Driven nail is bent.
Check for proper nails.
Use only recommended nails.
Driver blade worn?
Nail feeder worn or damaged?
Replace nail feeder.
The operation of the push
lever not smooth
Push lever bent ?
Replace push lever.
Check push lever's moving track, debris?
Fan is working, light indicator
shows GREEN yet it doesn't
drive a nail or operation
unstable.
Check for returning of piston.
Pull the trigger all the way.
Check fuel cell, insufficient?
Exchange it with a new fuel cell .
Check spark plug wire, worn out?
Contact dealer for replacement .
Check spark plug, grease or debris?
High pressure cap joint insert to the
spark plug.
Check filter, clogged?
Clean the foreign body.
Cleaning or Contact dealer for
replacement.
Fan does not operate when
push lever is pressed
Check high pressure cap joint insert
to the spark plug.
Load more nails(more than 10 nails)
in the magazine.
Note the color of the light indicator.
If red: charge the battery.If green:
Contact dealer for replacement .
Unable to charge battery
Inspect if the battery temperature within
require range 50°F( 10°C)
～
104°F (40°C)?
Wait the battery temperature as the
normal range then to charge.
Check if all joints are inserted and the
battery pack Insert in place?
Insert all plugs and ensure the
battery pack insert in place.
Utility voltage not nearly of rated
voltages shown on adapter
nameplate.
Select and use correct utility voltage to
charge, If also can not charge,contact
dealer for replacement.
Too low temperature, warm up fuel
cell under 50
(120
).
℃
℉
Push the driver blade with a slotted
head screwdriver, and put back the
piston to the highest position .
Ribbon spring weakened or damaged?
Check for a jam.
Clear a jam.
Check for proper nails.
Use only recommended nails.
Check function of nail feeder.
Clean and lubricate.
Clean the foreign body.
Magazine empty .
Chart Operator troubleshooting
Contact dealer for replacement .
The battery pack loosen after inserted
in the charger base.
Contact dealer for replacement.
Summary of Contents for GFN3490CH
Page 1: ...MOD GFN3490CH GAS FRAMING NAILER SAFETY OPERATE MANUAL...
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