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8. Skipping nails, intermittent feed.
•
Worn piston.
•
Replace piston.
•
Dirt and grease accumulated in drive assembly.
•
Disassemble fastener head/ drive
assembly and clean it.
•
Restricted air supply, insufficient airflow
through coupling.
•
Replace the quickdetachable the quick
detachable coupling.
•
Worn piston O-ring.
•
Replace Oring, check drive assembly.
•
Machine is dry, insufficient lubrication.
•
Apply lubricating oil for pneumatic tools.
•
Damaged magazine feed pressure spring.
•
Replace spring.
•
Low air pressure.
•
Check air supply to the tool.
•
Fasteners too short for this tool.
•
Only use specified fasteners.
•
Bent fasteners.
•
Cease using these fasteners.
•
Incorrect size fasteners.
•
Only use specified fasteners.
•
Leaky head gasket.
•
Tighten the screws / replace the gasket.
•
Trigger valve O-ring cracked/worn.
•
Replace Oring.
•
Broken drive pin.
•
Replace the drive pin (check piston Oring).
•
Dry, dirty magazine.
•
Clean, lubricate using oil for pneumatic
tools.
•
Worn magazine.
•
Replace the magazine.
•
Fastener guide worn.
•
Replace the magazine.
•
Incorrect size fasteners.
•
Only use specified fasteners of the correct
size.
•
Bent fasteners.
•
Cease using these fasteners.
•
Broken drive pin.
•
Replace the drive pin.
Working practice when preforming
maintenance
Whenever you are repairing the air nailer, take
care to clean and lubricate the internal parts. Use
Parker "O-Lube" or similar on all O-rings. Coat all
O-rings with O-Lube before reassembling.
Apply oil lightly to all moving surfaces and pins.
Finally, following complete assembly, squirt a few
drops of pneumatic tool lubricant into the air input
8
fitting, before commencing testing.
Air pressure and volume
Air volume is just as important as air pressure. The
air volume that is delivered to the air nailer may be
insufficient due to defective couplings and crimped
hoses, or through the effect of contamination and
water in the system.
The consequence of a restricted airflow is that
the air nailer receives an inadequate air volume,
even though the air pressure reading is high.
This will lead to defective operation, through
reduced driving power. Before you begin with
troubleshooting, you should first inspect the
path from compressor to air nailer for restricted
connections, twisted hoses and anything else
that might prevent sufficient air from flowing to the
appliance.
Lubrication
Frequent, but not excessive, lubrication is
essential for optimum functioning. Oil injected
from an oil mist lubricator will lubricate the internal
parts continuously. Use a lubricant for pneumatic
tools, Mobil Velocite #10, or equivalent. Use no
cleaning oil or additives, as these lubricants can
cause accelerated wear of seals and edges in the
appliance, resulting in a poor performance and
frequent maintenance of the tool.
Please use Airline Lubricating Oil into
the air inlet on the handle of the
Airnailer.
When there is no oil mist lubricator available,
add oil via the QD coupling once or twice a day,
while using. Just a few droplets of oil each time is
sufficient. Excessive oil will simply accumulate in
the appliance, which will become noticeable when
tacking.
Use during cold weather
With operation during cold weather, close to
or below freezing point, moisture in the air
pipeline can freeze, making use of the appliance
impossible. We recommend the use of a special
winter lubricant for pneumatic tools, or the
permanent use of antifreeze (glycol) as lubricant
when the temperatures are low.
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