Komatsu PC600LC-7 Manual page 101

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
No. Check item
1 Spool return spring
PC600, 600LC-7
Standard size
Installed
Free length
length
x OD
53.8 x 26.5 52.5
Criteria
Repair limit
Installed Free
load length
104 N
—
{10.6 kg}
CONTROL VALVE
Unit: mm
Remedy
Replace
Installed
spring if
load
damaged or
deformed
83.4 N
{8.50 kg}
10-69