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Fault
The operator notices:
increased contact pressure
■
increased trigger force
■
power regulation stiff to adjust
■
cartridge strip is difficult to
■
remove
Threaded studs driven to different
depths or sealing washer pres-
sure/contact not constant
Damage to the
painted surface on
the underside of the
base material
Threaded stud doesn't hold in the
base material when torque is
applied
Printed: 20.08.2013 | Doc-Nr: PUB / 5069825 / 000 / 02
Possible cause
Carbon build-up
■
Hole not deep enough
■
Piston broken or damaged
■
Fastener guide damaged
■
Damaged protective cover
■
Tool misfires
■
Wrong driving power setting
■
Carbon build-up
■
Stud driven too deeply
■
Dirt or foreign matter in the hole
■
Steel base material too thin
■
(< 8 mm)
Hole not deep enough
■
Dirt or foreign matter in the hole
■
Hole not deep enough
■
Hole damaged or previously used
■
Wrong drill bit used
■
Too much torque applied
■
Remedy
Clean the tool
■
Check that the correct cartridges
■
are used (see 1.2) and that they
are in faultless condition.
Drill to correct depth
■
=> visible ring
.
Replace the piston.
■
Replace the fastener guide.
■
Replace the protective cover.
■
Change the cartridge strip (take a
■
strip from a new, dry package if
necessary). Clean the cartridge
strip guideway and cartridge
chamber.
Check driving power using the
■
power regulation guide.
Clean the tool.
■
Reduce driving power (power
■
regulation).
Remove liquids, debris, or other
■
foreign matter from the hole
before installing the stud.
Drive studs only on steel base
■
material ≥ 8 mm.
Drill to correct depth
■
=> visible ring
.
Remove liquids, debris, or other
■
foreign matter from the hole
before installing the stud.
Drill to correct depth => visible
■
ring
.
Drill new hole.
■
Use appropriate drill bit
■
Use appropriate amount of
■
torque (see 7.2.1 Recommended
torque)
en
11
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