Komatsu ecot3 PC300LC-8 Shop Manual page 249

10 Structure, function and maintenance standard
No. Check item
Clearance between pin connecting
1
boom and revolving frame and
bushing
Clearance between pin connecting
2
boom and arm and bushing
Clearance between pin connecting
3
arm and link and bushing
Clearance between pin connecting
4
arm and bucket and bushing
Clearance between pin connecting
5
link and bucket and bushing
Clearance between pin connecting
6
links and bushing
7
Bucket clearance (a)
9
Bucket clearance (b)
PC300, 350-8
Tolerance
Standard
size
Shaft
–0.036
110
–0.090
–0.036
110
–0.090
–0.036
90
–0.090
–0.036
90
–0.090
–0.036
90
–0.090
–0.036
90
–0.090
Criteria
Standard Clearance
clearance
Hole
+0.157 0.115 –
+0.079 0.247
+0.179 0.117 –
+0.081 0.269
+0.165 0.108 –
+0.072 0.255
+0.145 0.119 –
+0.083 0.235
+0.165 0.108 –
+0.072 0.255
+0.163 0.105 –
+0.069 0.253
0.5 – 1.0
2.0
SEN01996-01
Unit: mm
Remedy
limit
1.0
1.0
Replace
1.0
1.0
1.0
1.0
Adjust shims
3