Installing And Removing The Hand Hammer - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

6.10.2 INSTALLING AND REMOVING THE
HAND HAMMER
The connection and removal of the hammer must be
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carried out with the machine parked on a level surface and
the equipment resting on the ground, parking brake
applied and control safety locks engaged.
Completely release any residual pressure from the pipes
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before connecting or disconnecting the hammer.
If any oil has been spilled, wipe it up immediately, in order
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to prevent the surface from getting slippery.
6.10.2.1CONNECTING THE HAND HAMMER
To connect the hammer, proceed as follows:
1 - Stop the engine and move the hydraulic controls in all
directions, in order to completely release the residual
pressure present in the circuits of the machine.
2 - Turn the ignition key to position « » and press the hammer
control push button (4) to release the residual pressure from
the hammer delivery pipe.
3 - Turn the ignition key to position « ».
IMPORTANT
If the machine is equipped with backhoe servo controls, to
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eliminate the residual pressure proceed as follows:
1 - With the engine at rest, 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 - Move the backhoe control levers more than once and
press the hammer control button (4) to release the
residual pressure from the hammer delivery pipe.
4 - Turn the ignition key to position « ».
4 - Make sure that the couplings are perfectly clean and connect
the hammer.
5 - Start the engine and press the push button (4) to enable the
hammer circuit.
6 - Increase the engine speed to the rpm indicated in the
technical data by means of the hand accelerator and then
start working.
CONFIGURATION FOR THE USE OF THE HAND HYDRAULIC HAMMER
WARNING
RKA14490
RKA14500
RWA01960
RWA02000
277