Hitachi EX20UR-2 Manual page 266

EX2OUR-2
unit: mm (in.)
Key Letter Part Name
Standard Dimensions Allowable Limit Corrective Measure
A
Pin (Boom, Frame)
50 (1.97')
49.0 (1.93')
Replace
Bushing (Boom) 50 (1.97') 51.5 (2.03°)
B
Pin (Boom Cylinder, Frame)
50 (1.97')
49.0 (1.93')
Bushing (Boom Cylinder) 50 (1.971
51.5 (2.03')
C
Pin (Boom, Boom Cylinder)
50 (1.97')
49.0 (1.93')
Bushing (Boom Cylinder) 50 (1.97°)
51.5 (2.03')
D
Pin (Arm, Stay) 50 (1.97°) 49.0 (1.93')
Bushing (Arm) 50 (1.971 51.5 (2.03')
E
Pin (Arm, Arm Cylinder)
.
45 (1.77") 44.0 (1.73')
Bushing (Arm Cylinder) 45 (1.77') 46.5 (1.83')
F
Pin (Stay, Arm Cylinder) 45 (1.77')
44.0 (1.73')
Bushing (Arm Cylinder) 45 (1.77')
46.5 (1.83')
G
Pin (Arm, Bucket Cylinder) 45 (1.77') 44.0 (1.731
Busing (Bucket Cylinder) 45 (1.77°) 46.5 (1.831
FRONT ATTACHMENT / Front Attachment
W04-01-10