75 - 9
Assembly JS200/JS240 (continued)
9. Inspection after Assembly
Section E
Hydraulics
9803/6400
Section E
75 - 9
Issue 1
Hydraulic Rams
No-load Operation Operations are smooth and there are no abnormalities with each part after full stroking more
Inspection than five times with no load.
Measurement Confirm the maximum extension and stroke.
Inspection There is no looseness, permanent deformation or outer leakage after applying the test pressure
shown in the diagram for three times to each stroke end.
Outer Leakage Check the oil leakage amount at the rod.
unit ml/10min
inner diameter oil leakage inner diameter oil leakage inner diameter oil leakage
mm amount mm amount mm amount
Inner Leakage 32 0.4 100 4.0 160 10.0
Inspection 40 0.6 125 5.6 180 12.6
50 1.0 140 6.0 200 15.6
63 1.6 220 20.0
80 2.3 250 22.0
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