Hyundai HHC2GNK User Manual page 33

Driving
fastener too
deep.
Tool does
not operate
well: Cannot
drive fastener
or operates
sluggishly.
Tool skips
fasteners.
Tool jams.
• Worn bumper
• Air pressure is too
high
• Inadequate air supply
• Inadequate lubrication
• Worn or damaged
O-rings or seals
• Exhaust port in
cylinder head is
blocked
• Worn bumper or
damaged spring
• Dirt in front plate
• Dirt or damage
prevents fasteners
from moving freely in
magazine
• Worn or dry O-ring
on piston or lack of
lubrication
• Cylinder cover seal
leaking
• Incorrect or damaged
fasteners
• Damaged or worn
driver guide
• Magazine or nose
screw loose
• Magazine is dirty
• Adjust depth control
using depth control
adjustment nut
• Replace bumper
• Adjust the air
pressure
• Verify adequate air
supply
• Place 2 to 6 drops of
oil into the air inlet
• Check and replace
O-rings or seals
• Replace damaged
internal parts
• Replace bumper or
pusher spring
• Clean drive channel
on front plate
• Magazine needs to
be cleaned
• O-ring needs to
be replaced and
lubricated
• Replace sealing
washer
• Change and use
correct fastener
• Check and replace
the driver
• Tighten the
magazine
• Clean the magazine
33