Hitachi EX20UR-2 Manual page 206

Sprocket
C B
i
INN
all
_L__.,....
__
D
W503-03-02-004
EX2OUR-2, EX3OUR-2
Unit: mm (in.)
Key Letter Standard Dimensions
Allowable Limit
Corrective Measure
A 28.5 (1.16") 23.5 (0.93')
Buildup weld and
finishing
B 309.0 (12.16') 304.0 (11.96')
C PCD344.7 (13.57")
-
D
352.0 (13.85') 347.0 (13.66')
E
101.6 (4.00°) -
EX4OUR-2
Unit: mm (in.)
Key Letter Standard Dimensions Allowable Limit Corrective Measure
A 28.5 (1.16') 23.5 (0.93°)
Buildup weld and
finishing
B 341.2 (13.43°) 336.2 (13.24')
C
PCD376.6 (14.83') -
D 384.1 (15.12') 379.1 (14.93')
E
101.6 (4.00°)
-
UNDERCARRIAGE / Travel Device
W03-02-46