02/02
7-28-B
NORDBERG LT105/105S INSTRUCTION MANUAL
7-7
CHAPTER 7 - CRUSHING
Turn up the side walls of the feed hopper and lock
them in place with the help of the wedges (figure
7.4.3).
Figure 7.4.3 Turn up the side walls of the feed
hopper. NOTE: Do not stand in side of the frame
when mounting the wedge on it's place
If the additional side walls of the unit are not lifted
with hydraulic cylinders, be extremely careful
when lifting or lowering them. In this case, the side
walls must be lifted and lowered using a crane.
Make sure that there is no-one below the side walls,
or too near them, as it may cause an accident risk.
Figure 7.4.4 Turn the rear wall of the feed hopper
upwards.
NOTE:
A lifting instrument, such as a rope or
chain, that is used to lift a single side wall, will
not be strong enough to lift the entire LT105
unit. When the side wall is lifted vertically against
the joint hinge, the mass of the entire LT105 may
apply to the lifting instrument.
When lifting the side walls, first lift the side wall to
its uppermost position with the crane (phase 1) and
position the wedges. When positioning the wedges,
the crane must not make any corrective measures.
If the wedge cannot be fitted in its place, the
mechanic must move away from the side wall and
give new instructions to the crane attendant. After
this, place the wedge first at the crusher end (phase
2) and then at the feeding end (phase 3). Once the
wedges are fitted in their positions, make sure that
they are tightly in their positions by hammering
them. Finally, secure them with screws or chains.
Lifting or lowering the side walls must in no
circumstances be done with the help of an
excavator.
The order of lifting the walls: first, lift both side
walls, then the back side wall. After lifting the back
side wall, position and lock its wedge as well.
To lower the walls, perform the steps above in
reverse order. Before removing the wedges, first set
and tighten the lifting ropes of the crane. Do not
perform any corrective measures during the
operation.
NOTE:
If the side walls are lifted with the help of
a hydraulic cylinder, they are lifted in the same
order as explained above. Lift and lock one side
wall at a time, as explained above. When
positioning the wedges, do not lift or lower
anything.
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