Zoomlion QY30V, Manual

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04 - 41 04 - 41
before slewing operation; before slewing operation;
Operation – crane superstructure Operation – crane superstructure
(5 (5) ) Ensure there Ensure there is enough space is enough space for the crane for the crane slewing operation slewing operation ;;
(6 (6) ) Lubri Lubri cate cate the the slewing ring at slewing ring at regular intervals. regular intervals.
4. 4.5.7 S 5.7 Simultaneous imultaneous crane mo crane mo vements vements
The simultaneous crane movements, which can greatly improve the working efficiency, The simultaneous crane movements, which can greatly improve the working efficiency,
refer to that the crane can carry out 2 movements simultaneously. However, because refer to that the crane can carry out 2 movements simultaneously. However, because
the simultaneous crane movements are towards two different directions, the operator the simultaneous crane movements are towards two different directions, the operator
should take maximum care to avoid accidents. This crane has 9 simultaneous should take maximum care to avoid accidents. This crane has 9 simultaneous
movements. movements.
Ensure that the following preconditions are met when initiating simultaneous crane Ensure that the following preconditions are met when initiating simultaneous crane
movements: movements:
– – Do depress engine control pedal; Do depress engine control pedal;
– – Do not deflect the joysticks to limit positions. Do not deflect the joysticks to limit positions.
Simultaneous crane movements should only be carried out after the load being Simultaneous crane movements should only be carried out after the load being
lifted a lifted away from gro way from gro und. It is pro und. It is pro hibited to hibited to tele telescope the boom w scope the boom w ith load. ith load.
Ser. Ser.
No.
No.
Simultaneous Simultaneous
crane crane
movements movements
Illustration Illustration
Ope Operating instructio rating instructio ns ns
Left Left joystick joystick Right Right joystick joystick
1 1
Main winch + Main winch +
telescope telescope
① ①
② ②
① ①
② ②
a. Turn the Pre-selection a. Turn the Pre-selection
switch “Telescope / switch “Telescope /
auxiliary winch” to the left auxiliary winch” to the left
position; position;
b. Operate left joystick and b. Operate left joystick and
right joystick at the same right joystick at the same
time according to left Fig. time according to left Fig.
to make main winch and to make main winch and
telescoping mechanism telescoping mechanism
work simultaneously; work simultaneously;
c. Left joystick: c. Left joystick:
① ①
T Telescope elescope telescopic telescopic
boom out; boom out;
② ② T Telescope elescope telescopic telescopic
boom in. boom in.
Warning Warning