Komatsu PC600LC-7 Manual page 117

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
No. Check item
21 Check valve spring
22 Shuttle valve spring
PC600, 600LC-7
Standard size
Installed
Free length
x OD length
62.5 x 20.0 39
16.4 x 8.9 11.5
Criteria
Repair limit
Installed Free
load length
3.04 N
—
{0.31 kg}
13.7 N
—
{1.4 kg}
SWING MOTOR
Unit: mm
Remedy
Installed
Replace
load
spring if
2.45 N
damaged or
{0.25 kg}
deformed
11 N
{1.12 kg}
10-85