Komatsu Galeo BR380JG-1E0 Shop Manual page 80

10 Structure, function and maintenance standard
No. Check item
1
Outside diameter of protruding
2
Outside diameter of tread
3
Thickness of tread
4
Step measurement of tread
5
Total width
6
Width of tread
Clearance between shaft and
7
bushing
Interference between idler and
8
bushing
Clearance between bushing
9
and support
BR380JG-1E0
Standard size
538
500
26
19
159
37.5
Tolerance
Standard
size
Shaft Hole
–0.250 +0.164
65
–0.350 –0.074
Tolerance
Standard
size
Shaft Hole
+0.108 –0.032
72
+0.008 –0.062
0.5 – 1.0
Criteria
Repair limit
—
488
20
25
—
—
Standard Clearance
clearance
0.176 – 0.514
Standard Inter- Interference
ference
0.040 – 0.170
—
SEN01350-00
Unit: mm
Remedy
Rebuild or
replace
limit
—
Replace bushing
limit
—
5