Zoomlion ZT20J, Руководство по обслуживанию и ремонту

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during work. Falling objects can damage the machine or cause the machine to malfunction. Any
tools or objects that fall into the inspection hole must be removed.
b. If electrical, circuit or hydraulic components (valves, pumps, etc.) need to be replaced, the replaced
parts should be checked and adjusted according to the data on the machine schematic.
Manufacturer-approved parts must be used, especially those that affect load bearing performance
and safety performance.
a. The components that affect the stability, strength and performance of the platform could be modified
only after obtaining the approval of the manufacturer, such as structural parts, carriers, electrical
components, and hydraulic components. Otherwise, any modifications to the aerial work platform
are prohibited.
b. Pay attention to high pressure oil.
High pressure fuel or hydraulic oil can cause serious damage to the skin or eyes. To avoid this danger, the
following instructions should be followed:
1) The pressure inside the pipe must be released before disassembling the pipe.
2) Wear goggles and protective gloves when checking for leaks. Leakage of high pressure oil may
not be visible, use cardboard or wood chips to confirm oil leakage. DO NOT use your hand to
check for leaks.
Figure 1-5 Prevent burns from high pressure oil
a. Mind the high temperature part of the cooling system.
If the cover of the radiator is removed while the engine coolant temperature is high, steam or hot
water will be ejected, causing burns. Waiting for the temperature drop of coolant, stand in front of
the radiator cover and slowly loosen the cover to release the steam pressure before removing the
cover.
b. Remove the cable from the battery before inspecting or maintaining the electrical system.