STRUCTURE, FUNCTION, & MAINTENANCE STANDARD CONTROL VALVE 12 (4/9) 1. Spool (Arm) 2. Spool (Right travel) 3. Spool (Swing) 4. Spool (Boom) 5. Spool (Left travel) 6. Spool (Bucket) 7. Spool (Service) 8. Unload valve 9. Main relief valve 10. Spool return spring Unit: mm 10-72 PC210/240-7K S*P09104 No. Check item Criteria Remedy 11 Standard siz Free length x Out- Instal Spool return spring side diameter leng 54.2 x 34.8 51. e Repair limit If damaged or deformed, replace spring led Installed Free Installed th load length load 416.5 N 333.2 N 2 — {42.5 kg} {34 kg} 12 Spool return spring 54.6 x 34.8 51. 429.9 N 336.1 N 2 — {43.9 kg} {34.3 kg} 13 Spool return spring 54.5 x 34.8 51.
393 N 314.6 N 2 — {40.1 kg} {32.1 kg}