Hitachi EX20UR-2 Manual page 241

UNDERCARRIAGE / Front Idler
EX4OUR-2
unit: mm (in.)
Key Letter Standard Dimensions
Allowable Limit Corrective Measure
A 31 (1.22") 25 (0.98")
Overlaying and
Hand Finishing
B 80 (3.15")
—
C
39 (1.54")
—
D 303 (11.93")
297 (11.69')
E 10 (0.39")
—
F 341 (13.43")
—
Axle and Bushing
unit: mm (in.)
Part Name
Standard Dimensions Allowable Limit
Corrective Measure
Axle
Outer Diameter 35.0 (1.38') 34.2 (1.35')
Replace Bushing
Inner Diameter 35.0 (1.38')
35.5 (1.40')
Flange Thickness
2.0 (0.08') 1.5 (0.06')
W03-05-03