7-34
Unit : mm
2
1
3
21073MS05
TRACK FRAME AND RECOIL SPRING
5)
No.
Check item
Criteria
Remedy
1
Vertical width of idler guide
Standard size
Tolerance
Repair limit
Rebuild or
replace
Track frame
123
+2
-1
137
Idler support
120
0
- 1.5
116
2
Horizontal width of idler guide
Track frame
292
+2
-1
296
Idler support
290
-
287
3
Recoil spring
Standard size
Repair limit
Replace
Free length
Installation
length
Installation
load
Free length
Installation
load
͚
254
Ý
740
595
24500 kg
-
19600 kg