Komatsu ecot3 PC300LC-8 Shop Manual page 87

10 Structure, function and maintenance standard
Standard shoe
Item
Shoe width (triple shoe) (mm)
Link pitch (mm)
No. of shoes (one side)
No. Check Item
Vertical width of idler
9
guide
Horizontal width of idler
10
guide
11
Recoil spring
PC300, 350-8
Models
PC300-8
600
216
45
Standard size
Track
123
frame
Idler sup-
120
port
Track
266
frame
Idler sup-
261
port
Standard size
Free length x Installation
O.D.
811 x 261
PC350-8
600
216
45
Criteria
Tolerance
+2
–1
±0.5
+3
–1
—
Installation
Free length
length load
208.7 kN
655
{21,290 kg}
SEN01992-00
PC300LC-8 PC350LC-8
600
216
48
Rapair limit
127
Build-up welding
118
for rebuilding or
271
259
Rapair limit
Installation
load
167.0 kN
—
{17,030 kg}
600
216
48
Unit: mm
Remedy
replace
Replace
3