Komatsu ecot3 PC300LC-8 Shop Manual page 237

10 Structure, function and maintenance standard
1. Brake spring
2. Drive shaft
3. Spacer
4. Case
5. Disc
6. Plate
7. Brake piston
8. Housing
9. Piston
10. Cylinder block
11. Valve plate
12. Center shaft
13. Center spring
14. Check valve
15. Check valve spring
16. Shuttle valve
17. Shuttle valve spring
No. Check item
18
Check valve spring
19
Shuttle valve spring
PC300, 350-8
Standard size
Free length x Installed
Outside diameter length
66.5 x 25.6 45.0
24.5 x 11.6 14.5
Criteria
Repair limit
Installed
Free length
load
6.96 N
—
{0.71 kg}
7.45 N
—
{0.76 kg}
SEN01995-01
Unit: mm
Remedy
Installed
load
If damaged or
deformed, replace
5.59 N
spring.
{0.57 kg}
5.98 N
{0.61 kg}
45