5-44 OM ET18/20/24 us 1.3 * et18_20_24b510.fm
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5.11 Work operation
Inadmissible work procedures
Working with swivel force
• Do not use the swivel force of the upper carriage to tear down walls or
to create level surfaces.
• Never ram the attachment into the ground when swiveling the upper
carriage.
➥ This can damage the machine or the attachment.
Working with travel force
• Never ram the attachment into the ground to dig when traveling.
➥ This can damage the machine or the attachment.
Retracting the attachment
• When retracting the attachment, ensure that it does not touch the
stabilizer blade.
Avoid impact during operation to avoid damage to the excavator
bucket and machine components.
• Do not suddenly drop the bucket to increase penetration, break
material, or compact material.
➥ Working this way can greatly reduce the machine’s service life.
Fig. 190: Working with swivel force
Fig. 191: Working with travel force
Fig. 192: Retracting the attachment
Fig. 193: Working with the falling force
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