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24. Crane operation
Never slew the crane when the safety level bar graph indicator is in the red zone, indicating the
crane is overloaded. If outriggers are extended to different lengths, crane capacity can vary
significantly depending on the slewing position. Forgetting this point and slewing the crane even
when the safety level bar graph indicator is in the red zone can result in the crane tipping over and
causing a major accident. If the voice warning message "Danger maximum lifting capacity" is
emitted and the safety level bar graph is in the red zone, stop slewing as quickly as possible, while
being careful of load swing.
(541A-0238-1E)
(3) If slewing does not stop even after slewing into the slew-restricted region
If the crane is level and a "slew-restricted region" has been specified in the ACS, yet slewing does not automatically
decelerate when approaching the restricted region and does not stop when slewing reaches the restricted region,
use the following procedure to operate the crane and avoid danger.
1)
If slewing does not automatically slow down as it approaches the "slew-restricted regions" indicated on the ACS
screen, move the slewing control lever to the neutral position, while keeping a close watch on the load
movement, and let the engine idle.
2)
If slewing doe not decelerate adequately and appears as though slewing will not stop before entering the
restricted region, forcibly stop the slewing motion by operating the lever in the opposite direction, being careful
not to let the load swing.
3)
If it is necessary to slew close to the restricted region, double-check the distance to any obstructions and slowly
and cautiously slew the crane to the desired position.
(4) Warning sounds and voice warnings emitted when slewing while overloaded or within a restricted region
If the associated danger is ignored and the crane is slewed when overloaded or into a restricted region, a voice
warning, warning chime or emergency sound is emitted depending on how overloaded the crane is or how far it
has slewed into the restricted region, to warn the operator of the extremely dangerous state.
1)
Voice warning, warning chime or emergency sound emitted
depending on extent of overload
If slewing does not stop automatically at the correct position, but
overruns the overload point, due to a "slewing stop system"
malfunction, unlevel machine or strong winds, a voice warning,
warning chime or emergency sound is emitted, according to how
overloaded the crane is, to notify the operator of the danger.
In addition, even if slewing is reversed to escape the danger, the
warning sound will continue until the crane is no longer
overloaded.
Summary of Contents for PREMIUM CITYRANGE CR-200RF
Page 2: ...218711 背厚 14 5 mm 中 ...
Page 14: ... 12 4 Dimensions T217591 021 0E Specification of CR 200Rf ...
Page 16: ... 14 MEMO ...
Page 24: ... 22 MEMO ...
Page 30: ... 4 MEMO ...
Page 36: ... 10 MEMO ...
Page 38: ... 12 3 General operation devices 2 Outside the cab ...
Page 60: ... 34 MEMO ...
Page 74: ... 48 MEMO ...
Page 82: ... 56 7 Air conditioner 7 6 Display when errors are detected T217921 020 0E ...
Page 120: ... 94 MEMO ...
Page 129: ... 102 MEMO ...
Page 138: ... 111 17 Drive operation devices Drive operation devices ...
Page 139: ... 112 17 Drive operation devices ...
Page 153: ... 126 17 Drive operation devices ...
Page 154: ... 127 17 Drive operation devices Drive operation devices ...
Page 237: ... 208 21 Crane operation devices 21 Crane operation devices 061A 0005 0E 1 Inside the cab ...
Page 238: ... 209 21 Crane operation devices Crane operation devices ...
Page 239: ... 210 21 Crane operation devices 2 Outside the cab ...
Page 259: ... 230 22 Crane operation when the outriggers are used ON OFF ...
Page 299: ... 270 24 Crane operation NOTE Extension retraction sequence for each boom length ...
Page 320: ...26 Preoperational checks Pre drive checks 290 ...
Page 321: ...Preoperational checks Pre drive checks 26 Preoperational checks Pre drive checks 291 ...
Page 322: ...26 Preoperational checks Pre drive checks 292 ...
Page 329: ...Preoperational checks Pre drive checks 26 Preoperational checks Pre drive checks 299 ...
Page 330: ...26 Preoperational checks Pre drive checks 300 ...
Page 331: ...Preoperational checks Pre drive checks 26 Preoperational checks Pre drive checks 301 ...
Page 332: ... 302 MEMO ...
Page 340: ... 310 MEMO ...
Page 342: ...899 92187110 ...