Komatsu — pc210-7K, pc210lc-7K, PC210NLC-7K

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD CONTROL VALVE (7/9) BUCKET CONTROL VALVE SERVICE VALVE 1. Safety-suction valve 2. Spool 3. Pressure compensation valve (DUMP) 4. LS shuttle valve 5. Pressure compensation valve (CURL) 6. Safety-suction valve 7. Safety-suction valve 8. Spool 9. Pressure compensation valve 10. LS shuttle valve 11. Pressure compensation valve 12. Safety-suction valve Unit: mm No.

Remedy 13 If damaged or deformed, replace spring 14 PC210/240-7K 10-61 Check item Criteria Fre Piston return spring s Standard size Repair limit e length x Out- Installed I ide diameter length nstalled Free load length Installed load 48.1 x 10.8 28 { 17.5 N — 1.8 kg} 14.0 N {1.4 kg} Piston return spring 36.9 x 11.1 28 29.4 N — {3 kg} 23.5 N {2.4 kg}