M A E D A Crawler Crane 6.17 PERIODIC MAINTENANCE
5/2020 CC1908S-1 6-47
BEWARE OF HIGH-PRESSURE FUEL
The engine fuel pipes are pressurised while the
engine is running. Before inspecting fuel pipes,
wait for the internal pressure to drop. Wait at least
30 seconds after stopping the engine before
starting inspection work.
HANDLING HIGH-PRESSURE HOSES AND
PIPES
If fuel leaks from hoses or pipes, there is a risk of
fire and malfunction leading to serious personal
injury.
If hose or pipe mounts have loose joints or if oil or
fuel is leaking therefrom, immediately stop the
work in progress and retighten them to the
specified tightening torque.
If hoses or pipes become damaged or deformed,
contact us or our sales service agency.
If any of the following conditions are found,
replace the faulty parts:
• Damage to hoses or deformation of connectors
• Damage or cuts in the coating or exposure of
the wire reinforcement layer
• Partial swelling of the coating
• Signs of twisting or collapsing on the movable
parts of hoses
• Foreign objects embedded in the coating
BEWARE OF HIGH VOLTAGE
During engine operation or immediately after
stopping the engine, the engine controller interior
and around the engine fuel injector will be at high
voltage. There is therefore a risk of electric shock.
Never touch the inside of the engine controller or
engine fuel injectors. If there is a need to touch
these parts for some reason, contact us or our
sales service agency.
BEWARE OF NOISE
Wear ear defenders or ear plugs when exposed to
noise for long periods such as when servicing the
engine. There is a risk of hearing impairment or
deafness from the loud noise in the vicinity.
BEWARE OF HIGH-PRESSURE GREASE
WHEN ADJUSTING CRAWLER TENSION
• The grease inside the crawler adjusting unit is
under high pressure.
Adjusting using unauthorized procedures may
cause the grease discharge plug (1) to fly out,
resulting in serious personal injury.
• When loosening the grease discharge plug (1)
to reduce the crawler tension, do not rotate it by
more than one turn. Likewise, loosen the
grease discharge plug (1) slowly.