5
VLBG
The following turning operations are allowed
• Turning operations where the load ring will be
turned into the load direction
WARNING
The load ring must not support itself at
edges or other attachments.
Also the attached lifting mean must not
touch the head oft he bolt.
F
Pic. 6: Pivoting in load direction
• Turning operations where the VLBG will be turned
around the bolt axle (
exception
: see chapter
3.3.3 Forbidden lifting and turning operations
).
After a full turn by 180° the torque of the bolt must
be checked.
WARNING
Observe the requested torque value before
each lifting or turning operation.
3.3.3 Forbidden lifting and turning operations
The following operations are forbidden:
WARNING
The turning of the VLBG under load in the
direction of the bolt axle (+15°) is forbidden.
F
15°
Pic. 7: Forbidden turning direction at loading in the
direction of the axle.
3.4 Dismantling / Assembling the RUD bolt
HINT
The dismantling / assembling and/or the
exchange of the RUD bolt must only be
executed by a competent person!
3.4.1 Dismantling the bolt of the
VLBG M8-M48 / 3/8“ - 2“
1. Position VLBG with the thread end upwards at
the bushing on the top of the bench vice without
clamping the hexagon head of the bolt.
2. Slightly hit the bolt from the top to drive it out from
the bushing (Pic. 8).
Pic. 8: Dismantling position of the VLBG
3.4.2 Assembling the bolt of the
VLBG M8-M10 / 3/8“
HINT
Only the appropriate strength class of bolt
for each specific size must be used!
1. Insert the bolt into the drill hole in the socket until
the retaining ring is positioned on the socket
2. Squeeze the retaining ring together with flat pliers
so that it sits deeply in the groove of the nut.
3. Now insert the bolt with light hits with a hammer
fully into the socket.
4. Finally, control the tightness of the bolt. The bolt
must be easily rotatable by 360°.
