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Hitachi ZW 550-G Technical Manual page 18

Wheel loader

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General Information
How to Use Manual
How to Use Manual
Safety precautions
The most important point in providing repair service is
safety. To ensure safety, observe the general cautions
described below.
- This manual is intended for properly trained and
equipped service technicians.
- Any work on the machine must be performed by the
trained personnel only.
- Carefully read this manual to thoroughly understand
the operation method before you operate or repair
the machine.
- Be sure to wear appropriate clothes and protectors,
such as safety boots, hard hat and goggles.
- Place the machine on level and solid ground, and
place chocks against the wheels to prevent move-
ment.
- Remove the cable from the battery before starting
the service work, and attach a "DO NOT OPERATE!"
tag to the steering wheel.
- Be sure to release the internal pressure before you
remove a pipe, such as the hydraulic oil, air, or
engine coolant pipe.
- Be sure to apply the articulation stopper before start-
ing work.
- While supporting the bottom of the chassis using a
jack, be sure to support the chassis using the blocks.
- When the boom or bucket is raised or when a unit is
lifted by a crane, be sure to place a stand or ade-
quate cribbing under the unit to prevent unexpected
dropping.
- Do not start to work in an enclosed area if adequate
ventilation is not provided.
- To remove a heavy unit (20 kg (40 lbs) or more), be
sure to use a crane or other lifting tool.
- Just after stopping operation, be careful not to
directly touch a hot component.
burned.
- Contact tire manufacturer's local dealer for tire ser-
vicing and changing.
- Always store the tools in good condition, and use
them properly.
- Keep the work area clean. Clean up spills immedi-
ately.
- Avoid the use of flammable solvents and cleaners.
- When working outdoors keep work areas, ladders,
steps, decks and work platforms clear of snow, ice,
and mud.
- Use safe work platforms to reach higher areas of the
machine.
You may get

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