Komatsu PC200-8M0 Shop Manual page 227

403 Hydraulic system, Part 3
PPC valve
No. Check item
7
Centering spring
8
Metering spring
PC200, 200LC, 220, 220LC-8M0
Standard dimension
Free length
Installed
x Outside
length
diameter
48.6 x 15.5 32.5
26.5 x 8.15 24.9
Criteria
Repair limit
Load at
installed Free length
length
108 N
—
{11.0 kg}
16.7 N
—
{1.7 kg}
SEN06121-00
Unit: mm
Remedy
Load at
installed
Replace spring if
length
damaged or
86.3 N
deformed
{8.8 kg}
13.3 N
{1.36 kg}
29
10-403