Maeda CC423S-1, Operation Manual

Page: 53 / 278

45
BEWARE OF FUEL UNDER HIGH INTERNAL PRESSURE
In the engine fuel piping, an internal pressure is generated during engine operation. Before starting the
inspection and maintenance servicing of fuel piping, wait until its internal pressure is relieved. After
stopping the engine, wait for 30 seconds or more before starting the work.
HANDLING HIGH PRESSURE HOSE AND PIPING
If fuel leaks from a hose or piping, there occurs a risk of fire and
malfunction leading to a serious bodily accident.
When leakage of oil or fuel is detected at a loosened joint or
mounted spot of hoses or piping, immediately stop the work and
re-tighten them with a specified tightening torque.
Also, when recognizing a damage or deformation of hoses and
piping, consult with us or our sales service agency.
If any of the following conditions is found, replace the faulty parts:
• Damage of a hose or deformation of sleeve
• Scratch or truncation of the covering layer, or exposure of wire
reinforcement layer
• Covering layer is partially swollen
• Indication of twist or collapse on a movable part of hose
• Foreign object buried in coating
BEWARE OF HIGH VOLTAGE
During or at immediately after stopping an engine operation, the
inside of engine controller and around the engine fuel injector are
under a high voltage, and thus an electric shock may occur.
Never touch the inside of engine controller and engine fuel
injectors. If there is a need for touching these parts, consult with us
or our sales service agency.
BEWARE OF NOISE
Use ear protection or ear plugs during long-term noise exposure, such as engine maintenance
servicing. Large noise in the surroundings may cause hearing difficulty or deafness.
WHEN ADJUSTING CRAWLER TENSION, BEWARE OF HIGH PRESSURE GREASE
• The grease inside the crawler adjusting unit is under high
pressure.
Conducting the adjustment in an unauthorized procedure may
cause the grease discharging plug (1) to jump out, resulting in a
serious bodily accident.
• When loosening the grease discharging plug (1) to loosen the
tension of crawler, do not rotate it more than 1 turn. Also, loosen
the grease discharging plug (1) slowly.
• Do not allow your face, limbs and body to come closer to the
grease discharging plug (1).