MAN05MGO5
INSTRUCTIONS JIB CRANE SERIES GBA - GBP
27
4. Check the verticality of the rotation axis as follows:
a. Remove the protective plastic plugs from the housing of the pivots.
b. Insert provisionally the pivots
3
in their respective housing. (see 4.3.5 Assembly of the arm)
c. Check the verticality of the rotation axis, using a level
,
and a bar
B
which must rest directly on the rotation
pivots
3
(fig. 37).
d. The perfect plumbing can be obtained, if necessary, inserting suitable shims
4
(not part of the supply),
under the front brackets
5
(fig. 38).
5. Check the correct positioning of the four contrast boards
6,
checking that the centring crowns
7
are well settled in
their respective housing of the front brackets (fig. 39).
6. Using a mallet, stick the level of the contrast boards
6
to the surface of the pillar (fig. 40).
7. Tighten thoroughly the blocking nuts
of the contrast boards
6.
8. Screw up the back blocking nuts
of the staybolts and block them using a dynamometric spanner, applying the
clamping couples (see table on page 12), based on the diameter of the staybolts, checking the nuts afterwards for
unscrewing with the related safety nuts
10
(fig. 41).
9. Check again the perpendicularity of the rotation axis as described in point
4.
fig.39
fig.40
fig.41
fig.37
fig.38
It is recommended that, after the first lifting operations the clamping of the nuts is checked, to take
upanyslackduetothesettlingofthebrackets.
3
3
3
6
6
10
6
10
10
10
9
10
8
6
10
9
3
7
4
4
5
5
L
L
B
B
KMAN05MG05
