Hitachi NC40G Instruction Manual - Page 22

Maintenance chart, Operator troubleshooting

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English Maintenance chart ACTION Clean magazine and feeder mechanism. Keep push lever working properly. WHY Prevent a jam. Promote operator safety and efficient Nailer operation. HOW Blow clean daily. Blow clean daily. Operator troubleshooting PROBLEM CHECK METHOD CORRECTION Nailer operates, but no nail is driven. Check for a jam. Clear a jam. Check function of nail feeder per page 20. Clean and lubricate. Ribbon spring weakened or damaged? Replace ribbon spring. Check for proper nails. Use only recommended nails. Check if the driver blade piston is down Push the driver blade with a slotted-head or not. screwdriver, and put back the piston to the highest position. Skipping nails. Intermittent feed. Check for proper nails. Check function of nail feeder per page 20. Use only recommended nails. Clean and lubricate. Ribbon spring weakened or damaged? Replace ribbon spring. Nail feeder (B) worn or damaged? Replace nail feeder (B). Check for returning of piston. Pull the trigger all the way. Too low temperature, warm up fuel cell under 120°F (50°C). Check for moving of piston smoothly. Contact Hitachi for replacement. Replace piston ring. Replace piston. Replace cylinder o-ring. Nails jam. Driven nail is bent. Check for proper nails. Driver blade worn? Use only recommended nails. Contact Hitachi for replacement. Nail feeder (B) worn or damaged? Replace nail feeder (B). The operation of the push lever not smooth. Push lever bent? Contact Hitachi for replacement. Check push lever's moving track, debris? Contact Hitachi for replacement. 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. Too low temperature, warm up fuel cell under 120°F (50°C). Check fuel cell, insufficient? Exchange it with a new fuel cell. Check spark plug wire, worn out? Contact Hitachi for replacement. Check spark plug, grease or debris? Contact Hitachi for replacement. Check filter, clogged? Contact Hitachi for replacement. Fan does not operate when push lever Magazine empty. is pressed. Note the color of the light indicator. Load more nails in the magazine. If red: charge the battery. If green: Contact Hitachi for replacement. Unable to charge battery. Check the electrical cord. - 22 -

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— 22 —
English
Maintenance chart
ACTION
WHY
HOW
Clean magazine and feeder
Prevent a jam.
Blow clean daily.
mechanism.
Keep push lever working properly.
Promote operator safety and
Blow clean daily.
efficient Nailer operation.
Operator troubleshooting
PROBLEM
Nailer operates, but no nail is driven.
Skipping nails.
Intermittent feed.
Nails jam.
Driven nail is bent.
The operation of the push lever not
smooth.
Fan is working, light indicator shows
GREEN yet it doesn’t drive a nail or
operation unstable.
Fan does not operate when push lever
is pressed.
Unable to charge battery.
CHECK METHOD
CORRECTION
Check for a jam.
Clear a jam.
Check function of nail feeder per
Clean and lubricate.
page 20.
Ribbon spring weakened or damaged?
Replace ribbon spring.
Check for proper nails.
Use only recommended nails.
Check if the driver blade piston is down
Push the driver blade with a slotted-head
or not.
screwdriver, and put back the piston to
the highest position.
Check for proper nails.
Use only recommended nails.
Check function of nail feeder per
Clean and lubricate.
page 20.
Ribbon spring weakened or damaged?
Replace ribbon spring.
Nail feeder (B) worn or damaged?
Replace nail feeder (B).
Check for returning of piston.
Pull the trigger all the way.
Too low temperature, warm up fuel cell
under 120°F (50°C).
Check for moving of piston smoothly.
Contact Hitachi for replacement.
Replace piston ring.
Replace piston.
Replace cylinder o-ring.
Check for proper nails.
Use only recommended nails.
Driver blade worn?
Contact Hitachi for replacement.
Nail feeder (B) worn or damaged?
Replace nail feeder (B).
Push lever bent?
Contact Hitachi for replacement.
Check push lever’s moving track, debris?
Contact Hitachi for replacement.
Check for returning of piston.
Pull the trigger all the way.
Too low temperature, warm up fuel cell
under 120°F (50°C).
Check fuel cell, insufficient?
Exchange it with a new fuel cell.
Check spark plug wire, worn out?
Contact Hitachi for replacement.
Check spark plug, grease or debris?
Contact Hitachi for replacement.
Check filter, clogged?
Contact Hitachi for replacement.
Magazine empty.
Load more nails in the magazine.
Note the color of the light indicator.
If red: charge the battery.
If green: Contact Hitachi for replacement.
Check the electrical cord.