Installing The 4In1 Bucket - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

Backhoe-loader
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4in1 BUCKET

6.3.3 INSTALLING THE 4in1 BUCKET

When the coupling pins are removed or installed, chips may come off; always use gloves, goggles and
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helmet.
The change of the equipment must be carried out by two operators, who must decide together the words
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and signals to be used during work.
If any oil has been spilled, wipe it up immediately, in order to prevent the surface from getting slippery.
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Avoid using your fingers to align the holes, since the may be injured or even cut off.
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To install the 4in1 bucket it is necessary to engage the
mechanical constraints of the loader as described in "3.12.3
CHANGING THE STANDARD FRONT BUCKET" and to carry out
the hydraulic connections using the pipes provided.
After mechanically connecting the bucket to the loader
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arm, stop the engine, apply the parking brake and eliminate
the residual pressure from the hydraulic circuits by
proceeding as follows:
1 - Turn the ignition key to position « ».
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 - Operate the loader arm control lever and the 4in1
bucket opening and folding buttons more than once.
4 - Turn the ignition key to position « »).
When connecting the pipes, take care to prevent any
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impurities from getting into them.
Proceed as follows:
1 - Loosen the protection plugs and remove them from the rigid
pipes provided on the machine.
2 - Loosen and remove the protection plugs from the flexible
pipes (8) and (9) of the bucket.
3 - Carry out the connections as indicated in the figure.
4 - Start the machine, lift the bucket a few centimeters from the
ground and open and fold it completely more than once using
the buttons positioned on the control lever, in order to check
the efficiency and tightness of the system.
250
CAUTION
WARNING
8
9
RWAA10900
RWA01960
RWA02000

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