Zoomlion QY30V, Manual

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02-10 02-10
S a f e t y S a f e t y
h) h) All All tires tires do do not not touch touch the the ground; ground;
i) i) It has It has been ensur been ensured that ed that there there are no are no live live electrical electrical wires wires within within the w the working orking range range
of the crane; of the crane;
j) j) There are no obstacles which will hinder the required crane movements. There are no obstacles which will hinder the required crane movements.
2. 2.4.4 4.4 Working co Working co ndit ndit ions ions
a) a) Pay attention Pay attention to the to the ambient tem ambient temperature in perature in the work the work site. The site. The suitable tem suitable temperature perature
range is -20 range is -20 ℃ ℃ – +40 – +40 ℃ ℃ ;;
b) b) If wind If wind speeds are speeds are expected which expected which are larger are larger than the than the maximum maximum permissible permissible wind wind
speeds (grade 6) for the crane operation or thunderbolt bursts, the boom must be speeds (grade 6) for the crane operation or thunderbolt bursts, the boom must be
retracted and taken down. retracted and taken down.
Opera Operate the crane te the crane accordin accordin g to the above instruc g to the above instruc tions tions , otherwise accidents may , otherwise accidents may
occur! occur!
With the following table, the wind force and wind speed can be estimated correctly: With the following table, the wind force and wind speed can be estimated correctly:
Wind Wind forc forc e e Wind Wind speed speed
Effe Effect of ct of the wind on the wind on the land the land
B Be ea au uffo orrt t D De es sc crriip pttiio on n m m//s s k km m//h h
0 0 Calm Calm 0 0 - - 0.2 0.2 0 0 - - 0.7 0.7 No No wind, wind, smoke smoke rises rises vertically vertically
1 1 Light Light air air 0.4 0.4 - - 1.4 1.4 1 1 - - 5 5
Wind direction shown by smoke drift Wind direction shown by smoke drift
but not by wind vanes
but not by wind vanes
2 2 L Liig gh ht t b brre ee ez ze e 1 1..6 6 - - 3 3 6 6 - - 1 11 1
Wind felt on face, leaves rustle, vanes Wind felt on face, leaves rustle, vanes
moved by wind
moved by wind
3 3
Gentle Gentle
breeze breeze
3.4 3.4 - - 5.3 5.3 12 12 - - 19 19
Leaves and small twigs in constant Leaves and small twigs in constant
motion, wind extends light flag
motion, wind extends light flag
4 4
Moderate Moderate
breeze breeze
5.5 5.5 - - 7.8 7.8 20 20 - - 28 28
Raise dust, loose Raise dust, loose paper, small paper, small
branches moved branches moved
5 5
Fresh Fresh
breeze breeze
8 8 - - 10.6 10.6 29 29 - - 38 38
Small trees in leaf begin Small trees in leaf begin to sway, to sway,
crested wavelets on inland water crested wavelets on inland water
6 6 S Str tron ong g wi wind nd 10 10.8 .8 - - 13 13.7 .7 39 39 - - 49 49
Large branches in motion; difficult to Large branches in motion; difficult to
use umbrellas, whistling heard in
use umbrellas, whistling heard in
telegraph wires
telegraph wires
7 7 Near Near gale gale 13.9 13.9 - - 17 17 50 50 - - 61 61
Whole trees in motion, difficult to walk Whole trees in motion, difficult to walk
against the wind
against the wind
8 8 Gale Gale 17.2 17.2 - - 20.6 20.6 62 62 - - 74 74
Breaks twigs off trees, impedes Breaks twigs off trees, impedes
progress
progress
9 9 S Str tron ong g ga galle e 20 20.8 .8 - - 24 24.5 .5 75 75 - - 88 88
Slight structural damage (roof tiles Slight structural damage (roof tiles
and chimney covers, etc. blown off)
and chimney covers, etc. blown off)
10 10 Storm Storm 24.7 24.7 - - 28.3 28.3 89 89 - - 102 102
Trees uprooted, considerable Trees uprooted, considerable
damage occurs
damage occurs
c) c) Strong Strong electromagnetic electromagnetic fields are fields are likely likely to be to be present if present if the construction the construction site i site is close s close
to a transmitter. Under this condition, be sure to consult to a transmitter. Under this condition, be sure to consult a high frequency specialist a high frequency specialist
or contact with the local or contact with the local franchiser or the manufacturer. franchiser or the manufacturer.
Danger Danger