Maeda MC405C-3 - Stop Engine Before Inspection or Maintenance

Mini-Crawler Crane M A E D A Section 5 – GENERAL MAINTENANCE INFORMATION AND PRECAUTIONS
1/2019 MC405C-3 5-3
Use Appropriate Tools
Fig. 5-3
Do not use damaged or deteriorated tool, or use
a tool for a purpose that is not a proper purpose
of use. Use tools suitable for the maintenance
work.
Entrance of a broken piece of a tool such as a
boss with crashed head or a hammer may
destroy eyesight.
Handling Illumination Devices
Fig. 5-4
• Use explosion proof illumination device when
inspecting with fuel, oil, or similar substance.
Failure to use explosion proof illumination
device may cause leap fire and explosion.
• Attempt to work without using illumination
device in a dark place may cause injury or
other issue. Always use illumination device.
Do not use a lighter or other burning object
even if dark. Such use may cause fire, and
furthermore the battery gas may catch fire and
explode.
Stop Engine Before Inspection or
Maintenance
Fig. 5-5
• Before inspection or maintenance, always park
the machine at a location where the ground is
level, rock-falls and landslides do not occur, is
a lowland and flood does not occur, and fully
retract and lower the boom, and stop the
engine.
• Operate each of the crane operation levers
forward backward several times to relief the
pressure remaining in the hydraulic circuits.
• Apply pawls to so that the prevent rubber tracks
do not move.
• Persons in charge of the maintenance should
pay attention to prevent physical body and
clothes from contacting the moving parts.
Fire Risk Prevention
Fig. 5-6
Fig. 5-7
Always observe the followings during
maintenance where the fuel, oil, battery or other
substance that may catch fire is handled.
• Keep the fuel, oil and any other easily
combustible oil and fats away from fire during
storage.
• Do not leave the site when replenishing the fuel
or oil.
• Use incombustible cleaning oil for the objects
such as the components, and do not use light
petroleum, gasoline or anything else that may
catch fire.
• Do not smoke when inspecting or maintaining.
Smoke at a location designated to do so.
• When inspecting fuel, oil, or similar, use
explosion proof illumination devices but do not
use fires such as a lighter or a match for
illumination.
• Loosened and damaged electrical connections
may cause short circuit that may result in a fire.
Inspect accordingly during the inspections
before starting work.
• Make sure a fire extinguisher is place near the
inspection / maintenance site.