STRUCTURE, FUNCTION, & MAINTENANCE STANDARD TRAVEL MOTOR 12 Unit: mm No. Remedy 1 If damaged or deformed, replace spring 2 3 4 PC210/240-7K 10-103 Check item Criteria Check valve spring PC210-7K PC240-7K Standard size Repair limit Free length x Outside diameter Installed length Installed load Free length Installed load PC210-7K 31.6 x 6.5 24.2 2.55 N {0.26 kg} — 1.96 N {0.2 kg} PC240-7K 31.6 x 6.5 24.2 7.16 N {0.73 kg} — 5.73 N {0.58 kg} Check valve spring 13.0 x 6.5 9.5 1.96 N {0.2 kg} — 1.57 N {0.16 kg} Return spring 58.43 x 30 42.6 411 N {41.9 kg} — 329 N {33.5 kg} Regulator valve spring 21.5 x 11.1 17.1 55 N {5.6 kg} — 44 N {4.5 kg}