Komatsu PC500LC-10R, Shop Manual, Page: 647 / 758

Unit: mm
No. Item Judgment criteria Remedy
1 Suction valve spring
Standard dimensions Repair limit
Replace the
spring if dam-
aged or de-
formed
Free length
x outside di-
ameter
Installed
height
Load at in-
stalled
height
Free
length
Load at in-
stalled
height
46.8 x 7.5 40.6
5.5 N
{0.56 kg}
-
4.4 N
{0.45 kg}
2 Check valve spring 11.5 x 4.6 8.5
1.47 N
{0.15 kg}
-
1.2 N
{0.12 kg}
60 MAINTENANCE STANDARD MAINTENANCE STANDARD OF CONTROL VALVE
PC500LC-10R 60-43