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Prohibitions and precautions for hydraulic excavators
1.
Avoid the landsliding and the stone falling.
2.
Avoid any striking of work equipment.
3.
Avoid the bucket from colliding with other vehicle body, the loaded bucket crossing over other vehicle cab or
persons.
4.
Avoid the excavator from sinking into soft ground or wetland.
5.
In traveling, avoid any large obstacles such as large stone.
6.
It is prohibited to work with water depth exceeding the allowable limit.
7.
While unloaded or loaded, the large stones should be handled carefully not to fall down.
8.
On cold days, park the machine on solid ground to avoid the track being frozen. Remove any scrap away
from track and its frame. If track is iced onto ground, use boom to lift track and carefully move the machine,
so as not to damage the sprocket and the track.
9.
Before movement of machine, make sure the traveling direction is consistent with its handle. When traveling
motor is at rear part, forward push the traveling handle, to drive machine forwards.
10. For long - distance traveling, please rest for 5min every running for 20min, so as not to damage the traveling
motor.
11. Never try to cross over a slope of more than 15 degree, so as to avoid the machine from overturning.
12. Avoid any accidents occurring during machine reversing or slewing.
13. In work, do not completely dig the soil out of bottom of machine.
14. Avoid any collapse: never run on high dam or slope, which otherwise may have the machine collapsed or
sliding away, leading to severe accident.
15. Be careful of underground facilities: unexpected cutoff the underground cables or gas pipe may lead to
explosion, fire or even personal casualty.
16. Be careful of overhead facilities such as bridge: if work equipment or other parts collides with over-bridge or
others, it may result in personal injury; care must be taken to prevent the boom or the arm from colliding
with any elevated item.
17. Keep safe distance from overhead power line: in work around power line, do not have any part of machine or
any load move to 3m timed by 2 of away from the power insulation. Verify and abide by the local related
laws and rules. Wetland may have the range of electric shock enlarged. Therefore, the irrelative should be
kept away from work area.
Section IV Operational Precautions
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