MAINTENANCE STANDARD LIFT CYLINDER
EX20 Series 50-25
LIFT CYLINDER
(Lifting height: 3m)
INSPECTION
Item Unit FD100 FD115
FD135/150E
160E
Cylinder (inside diameter x outside diameter) mm 95 × 110 100 × 113 110 × 124 120 × 136
Stroke mm 1510
Outside diameter of rod mm 65 70 75
Weight kg 85 90 105 110
Symbol Inspection item
Judgement standard
Remedy
Standard size (mm) Repair limit (mm)
A
Clearance
between piston
rod and
bushing
FD100 0.097–0.366 0.666
Replace bushing
FD115/135/
150E/160E
0.107–0.395 0.695
B Piston rod Scratches that catch finger nail, dents, hollows
ReplaceC Piston ring Scratches that catch finger nail
D Cylinder Scratches that catch finger nail, hollows
(Tightening torque)
E Cylinder head
FD100 662–808 Nm {67.5–82.5 kgm}
FD115 706–862 Nm {72–88 kgm}
FD135–150E 838–1024 Nm {85.5–104.5 kgm}
FD160E 882–1078 Nm {90–110 kgm}
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