Upper Roller - Doosan DX140R Shop Manual

Upper Roller

Figure 6
No. Check Item
Outside Diameter of
1
flange
Outside Diameter of
2
Tread
3 Width of Tread
4 Width of Tread
Clearance between
5
shaft and bushing
Interference between
6
roller and bushing
Track Assembly
4 3
Standard Dimension
140 mm
(5.512")
120 mm
(4.724")
69 mm
(2.717")
25.5 mm
(1.004")
Standard
Dimension
46 mm
(1.811")
Standard
Dimension
53 mm
(2.087")
4
Recommended Limit for
Maintenance
112 mm
(4.409")
29 mm
(1.142")
Tolerance
Shaft Hole
-0.05 +0.25
-0.08 +0.2
Tolerance
Shaft Hole
+0.10 +0.03
+0.05 -0.02
Limit for Use
(Repair - P or
Replace - R)
Standard Repair
Interference Limit
+0.33
+0.25
Standard Repair
Interference Limit
+0.12
+0.02
FG009714
SP001941
Page 13