Hitachi EX20UR-2 Manual page 265

FRONT ATTACHMENT / Front Attachment
unit: mm (in.)
Key Letter Part Name Standard Dimensions Allowable Limit Corrective Measure
H
Pin (Link A, B, Bucket Cylinder) 40 (1.58") 39.0 (1.53")
Replace
Bushing (Bucket Cylinder) 40 (1.58") 41.5 (1.63")
Bushing (Link A) 40 (1.58") 41.5 (1.63")
Link B 40 (1.58") 41.5 (1.63')
1
Pin (Link B, Arm) 40 (1.58') 39.0 (1.53")
Bushing (Arm) 40 (1.58') 41.5 (1.63')
Link B 40 (1.58")
41.5 (1.63")
Pin (Bucket, Link A)
35 (1.381
34.0 (1.34°)
Bushing (Link A) 35 (1.38")
36.5 (1.43")
K
Pin (Bucket, Arm) 35 (1.38") 34.0 (1.34')
Bushing (Arm) 35 (1.38') 36.5 (1.43")
L
Pin (Track Frame, Blade) 40 (1.58")
39.0 (1.53")
Bushing (Blade) 40 (1.58") 41.5 (1.63')
M
Pin (Track Frame, Cylinder) 40 (1.58")
39.0 (1.53")
Bushing (Blade Cylinder) 40 (1.58') 41.5 (1.63")
N
Pin (Blade, Blade Cylinder) 40 (1.58°) 39.0 (1.53')
Bushing (Blade Cylinder) 40 (1.58")
41.5 (1.63")
0
Pin (Lower Boom, Upper Boom) 55 (2.17") 54.0 (2.13')
Bushing (Upper Boom) 55 (2.17') 56.5 (2.221
P
Pin (Stay, Upper Boom) 55 (2.171 54.0 (2.13")
Bushing (Upper Boom) 55 (2.17') 56.5 (2.22")
Q
Pin (Lower Boom, Offset Cylinder) 40 (1.58") 39.0 (1.53")
Bushing (Offset Cylinder) 40 (1.58')
41.5 (1.63")
R
Pin (Upper Boom, Offset Cylinder) 40 (1.581 39.0 (1.53')
Bushing (Offset Cylinder)
40 (1.581 41.5 (1.63")
S
Pin (Stay Cylinder, Stay) 40 (1.58") 39.0 (1.531
Bushing (Stay) 40 (1.58°) 41.5 (1.63°)
W04-01-09