OM ET18/20/24 us 1.3 * Sicherheit(us).fm 2-11
• Prior to fitting attachments to the stick (the mobile extension of the boom), secure the
control lever of the hydraulic control unit against unintentional movement. Raise the left
arm rest to avoid unintentional activation for the ISO/SAE operating mode. Avoid
actuating the right hand control if the alternative control mode is selected.
2.9 Transport and Towing
Towing
The machine must be towed, loaded and transported according to the
procedures described within this Operator’s Manual.
Transporting
• The transporting vehicle must have sufficient load capacity and
platform size to safely transport the machine. Refer to section 6 of this
manual to determine the physical characteristics of the machine before
loading and transporting.
• Use OSHA-approved straps, chains or cables to securely fastened the
machine to the surface of the transport.
• Use the tie down points provided on the load surface of the transport.
• Attach the tie down devices to the excavator at the designated tie down
points.
• Confirm that the excavator tie down procedures will prevent sideways,
forward, rearward and upward motion of the excavator in the event the
transport vehicle is involved in an incident or sudden avoidance
maneuver.
2.10 Safety Guidelines for Maintenance
General maintenance notes
• Adhere to prescribed intervals or those specified in this Operator’s
Manual for routine checks/inspections and maintenance on or with the
machine.
• For inspection and maintenance on or with the machine, ensure that all
tools and service center equipment are capable of performing the tasks
prescribed. Do not use malfunctioning or broken tools. Use certified
measuring devices that are routinely calibrated for accuracy (torque
wrench, pressure gauge, ammeter, etc.).
• Replace hydraulic hoses within stipulated and appropriate intervals
even if no safety-relevant defects have been detected.
• Recycle scrapped parts and drained fluids according to environmental
and hazardous material requirements. To avoid fire and health
hazards, dispose of soiled shop towels by approved methods.
• Always tighten any screws, electrical connections, or hose connections
that may have been loosened during maintenance.
• Upon completion of the maintenance and repair work, immediately refit
and check any safety devices removed for set-up or maintenance
purposes.
Personal safety measures
• Brief the technician and the operator before beginning maintenance or
repair work. Appoint someone to supervise the activities.
• Always work in groups of two when diagnosing a machine problem
requiring the engine to be running. Both persons must be trained on
the machine—one person must be seated on the seat and maintain
visual contact with the other person.
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