Komatsu WB140-2N Operation & Maintenance Manual page 212

OPTIONAL ATTACHMENTS
Moving the tool back and forth while breaking the material or using the
tool as a pry bar between the broken material.
Working with the hammer in a horizontal position or even with the
greater inclination of the machine.
Striking the ground with the hammer bit.
Lifting the machine with the demolition hammer
5-16 WB140-2N, WB150-2N