E-5 Telescopic boom sliding
blocks - Adjusting the play
1 Park the vehicle in a suitable sized area.
Remove the accessory from the quick-fit
coupling. Centre the turret and set the
telescopic boom in the horizontal position.
Retract the telescopic boom completely.
2 Remove the cover on the rear part of the
boom.
3 Slacken all the bolt 1 of the upper and
lower sliding blocks of the first extension
stage. If the space between the sliding
surface of the block 3 and the sliding
surface of the first boom exceeds 0.5mm,
some pads 2 need to be added. And then
tighten bolts 1.
Tightening torque: 100 Nm.
4 Repeat the adjustment operations for the
lateral sliding blocks.
5 Move to the front of the boom, and identify
the sliding blocks of the first extension
stage.
6 Slacken all the bolt 1 of the upper and
lower sliding blocks of the first extension
stage. If the space between the sliding
surface of the block 3 and the sliding
surface of the first boom exceeds 0.5mm,
some pads 2 need to be added. And then
tighten bolts 1.
Tightening torque: 100 Nm.
7 Repeat the adjustment operations for the
lateral sliding blocks.
8 Repeat the operations described above
for the sliding blocks of all the extension
stages, proceeding in order towards the
front part of the boom.
9 Always try to adjust the sliding blocks
symmetrically, so that each stage is
centered with respect to the adjacent
ones.
10 After completing the operations try to
extend and retract the boom to check the
boom movement is smooth. If the
movement of the boom is not smooth,
repeat the adjustments.
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