112
5.14.3.
Replace the hydraulic oil and clean the oil suction filter
Replace the hydraulic oil as shown in Figure 5-31.
WARNING:
1)
To avoid burns, drain the oil only after the hydraulic oil has cooled
down or when the oil is cold before daily work.
2)
When removing the flange cover of the oiling port, you need to
turn the cover slowly to release the internal pressure, in order to
prevent oil from spraying out
.
3)
Be careful not to let water, dirt, mud, etc. enter the oil tank when
changing oil.
Cleaning oil tank
1)
When the hydraulic oil is in hot state, empty the
hydraulic oil.
2)
Make the piston rod of the hydraulic cylinder
fully extended.
3)
Stop the engine.
4)
Remove bolt 1, cover 3 and gasket 4.
5)
When the hydraulic oil tank is empty, remove
the filter 5.
6)
Carefully clean the filter and reinstall it.
7)
Reinstall the drain screw.
8)
Fill the hydraulic oil to the highest level.
9)
start the engine.
10)
Telescopic each cylinder.
11)
Extend the hydraulic cylinder piston rod.
12)
Fill the oil tank to the highest oil level.
13)
Close the oil tank again and start the engine.
14)
Retract the piston rod of the hydraulic cylinder.
Содержание YC20SR
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