Maeda MC-174CRM, Руководство по эксплуатации, Страница: 92 / 276

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[3] BOOM UPPER LIMIT DETECTION
When the boom is raised and the boom angle reaches “about 77
degrees”, the boom raising operation stops automatically.
[4] BOOM LOWER LIMIT DETECTION
When the boom is lowere
d and the boom angle reaches “about 3
degrees”, the boom lowering operation stops automatically.
1.4.6 MOMENT LIMITER STARTING STATUS
CAUTION
• If the red of the working status lamp does not go off after completing the functional check of
the moment limiter, be sure to contact us or our sales service agency.
• If the travelling lever stand is set in the "Travel Position", the Moment Limter is not turned ON.
To turn it ON, don't forget to set the travelling lever stand in the "Crane Operation Position".
The moment limiter checks its function for 2 seconds when the starter switch is turned to the ON position.
Meanwhile,
• The red of the working status lamp lights up.
• All the LEDs light up.
Then, if the moment limiter and the sensors are normal upon the completion of the functional check of the
moment limiter, the red of the working status lamp goes off and green of the working status lamp lights up
indicating that the machine is ready for use.