Fortum Proffesional 4770664 Traducción Del Manual De Uso Original página 35

a) Pull the „O" ring on the handle of the rivet drill adapter
to the edge of the handle, see fig. 1A or fig. 3A.
b) Set the lowest rotation speed on the drill and set the
rotation direction of the chuck head to right.
c) In one hand, hold the rivet nut pointing in the directi-
on shown in fig. 3A and at a low rotation speed screw
the rivet mandrel into the rivet nut.
•
ATTENTIoN
y The rivet nut must be screwed on to the rivet mandrel
along its entire thread, however without being tighte-
ned fully, the force of holding the rivet nut between the
fingers is sufficient for screwing on to the rivet mandrel
of the adapter.
•
ATTENTIoN
y The rivet nut must be screwed on to the rivet mandrel
in the orientation shown in fig. 3A, otherwise it will not
be possible to screw it on to the rivet mandrel.
d) Then eliminate the gap between the screwed on rivet
nut on the mandrel and the nosepiece while turning
the chuck head to the right with the „O" ring on the
edge of the handle, see fig. 3B.
During this procedure, the rivet mandrel (axis of the
adapter) will rotate, but also at the same time the
mandrel will be gradually inserted into the rivet drill
adapter, by means of which the gap between the
rivet nut and the nosepiece is eliminated as shown in
fig. 3B. Allow the chuck head to rotate until the rivet
nut is completely naturally seated on the nosepiece as
shown in fig. 3B. Then firmly tighten all flanges and
threaded elements of the rivet drill adapter.
The gap can also be eliminated by the chuck head rota-
ting to the right with the „O" ring retracted in the handle,
whereby the mandrel is gradually inserted into the rivet
drill adapter without turning the axis of the adapter,
however, once the rivet nut is seated on the nosepiece,
the rivet nut will immediately start being pulled with
a generated reactive recoil and this procedure requires
a certain degree of experience and thus it is recommen-
ded to start with the first described method.
e) Retract the „O" ring on the handle of the rivet drill
adapter into the handle and insert the rivet nut
screwed on the rivet mandrel into the pre-drilled
hole on the axis passing though the centre of the pre-
-drilled hole (fig. 3C).
35
•
ATTENTIoN
y The joined materials must be safely secured prior to
installing rivet nuts.
f) Firmly grasp the handle of the rivet drill adapter
and the handle of the drill and assume a firm stable
posture, whilst for pulling nuts the rivet drill adapter
must be placed in line with the axis passing through
the centre of the pre-drilled hole.
By gently pulling the trigger of the drill (speed
< 20 rpm) whilst the chuck head rotates to the right
the rivet nut will be pulled, see fig. 3D. The pulling of
the rivet nut must achieve a firm joining of materials
as shown in fig. 3D. In the event that while the rivet
nut is being pulled, the thread of the rivet mandrel
is torn out from the rivet nut, it is necessary to set
a lower torque so that this does not happen.
•
WArNINg
y When the rivet nut is pulled a force acts
on the handle of the rivet drill adapter
with the tendency to deflect the handle
to the side. In the event that the handle
is not held firmly and the rotation speed
of < 20 rpm is not used, the user may be
injured by the handle being jolted out.
g) Then change the turning direction of the chuck
head to the left with the „O" ring retracted in the
handle (fig. 3E/1), whereby the rivet mandrel slides
out of the rivet adapter and a gap is created between
the installed rivet nut and the rivet nosepiece of the
adapter, which subsequently enables the rivet man-
drel to be screwed out of the rivet nut according to
the procedure provided below. Then extend the „O"
ring to the edge of the handle (fig. 3E/2) and by tur-
ning the chuck head to the left, screw out the rivet
mandrel from the installed rivet nut (fig. 3E).
360°
TORQUES
EN