Komatsu WB93R-5, Руководство по эксплуатации и техническому обслуживанию

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CONFIGURATION FOR THE INSTALLATION OF THE DEMOLITION HAMMER
263
6.6.3 INSTALLING AND REMOVING THE
DEMOLITION HAMMER
6.6.3.1 INSTALLING THE HAMMER
WARNING
q
The machine must be parked on a level surface, with the
front equipment resting on the ground.
q
For the installation, the hammer must be positioned hor-
izontally, with the bit directed towards the machine.
q
When the coupling pins are removed or installed, chips
may come off; always use gloves, goggles and helmet.
q
The change of the equipment must be carried out by two
operators, who must decide together the words and sig-
nals to be used during work.
q
Avoid using your fingers to align the holes, since they
may be injured or even cut off.
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Before carrying out any operation on the hydraulic cir-
cuit, eliminate the residual pressure from the equipment
circuits by moving the controls more than once and
from the tank by slowly loosening the filler cap.
q
If any oil has been spilled, wipe it up immediately, in or-
der to prevent the surface from getting slippery.
For the installation of the demolition hammer it is necessary to
connect the mechanical constraints of the backhoe bucket as
described in "3.13.4.1 CHANGING THE BACKHOE BUCKET"
and to carry out the hydraulic connections using the pipes pro-
vided.
After connecting the mechanical constraints, carry out the hy-
draulic connections by proceeding as follows
1 - Stop the engine and move the hydraulic controls in all di-
rections, in order to completely release the residual pres-
sure present in the circuits of the machine.
2 - Press the hammer control pedal to release the pressure
present in the hammer delivery pipe.
IMPORTANT
q
If the machine is equipped with backhoe servo controls,
to eliminate the residual pressure proceed as follows:
1 - With the engine at rest, turn the ignition key to posi-
tion « ».
2 - Press the servo control locking button and make
sure that the LED is off (release position) (see "3.3.2
pos. 12 - SERVO CONTROL LOCKING BUTTON").
3 - Shift the backhoe control levers more than once and
press the hammer control pedal.
4 - Turn the ignition key to position « ».
RKA14490
RKA14500
RWA02000
RWA01960
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