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

6.6.3.2 REMOVING THE HAMMER

To remove 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 - Press the hammer control pedal to release the pressure present in the hammer delivery pipe.
IMPORTANT
If the machine is equipped with backhoe servo controls, to release the residual pressure from the
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circuits follow the procedure indicated in the previous paragraph "6.6.3.1 INSTALLING THE HAMMER".
3 - Disconnect the hammer delivery and return pipes.
Use hex wrenches: 32, 36, 38 and 41 mm.
4 - Fit the pipe sealing plugs complete with the relevant gaskets.
Make sure that the plugs are properly tightened and that there are no leakages; if the circuit is
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inadvertently pressurized, small leakages can be turned into thin jets that may perforate the skin or
injure the eyes.
Always wear thick gloves and safety goggles to carry out this check.
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To check the system for leaks, use a piece of cardboard or a wooden board.
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5 - Disconnect the hammer from the mechanical constraints, as described in "3.13.4.1 CHANGING THE
BACKHOE BUCKET".
6.6.4 USING THE HAMMER
Consult the specific manual.
OPERATIONS WITH HAND HYDRAULIC HAMMER AND COMPACTING TOOLS
If the machine is provided with telescopic arm, this must be kept only folded.
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6.6.5 MAINTENANCE
The hydraulic system does not require any maintenance operation and inspection other than those prescribed for
the machine.
Regarding the maintenance operations required for the hammer, see the specific operation manual.
CONFIGURATION FOR THE INSTALLATION OF THE DEMOLITION HAMMER
WARNING
CAUTION
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