STRUCTURE, FUNCTION, & MAINTENANCE STANDARD TRACK FRAME • RECOIL SPRING 12 Standard shoe Unit: mm PC210/240-7K 10-15 Model Item PC210-7K PC210LC-7K PC210NLC-7K PC240LC-7K PC240NLC-7K Shoe width 600 mm 700 mm 500 mm 700 mm 700 mm Link pitch 190 mm 190 mm 190 mm 190 mm 190 mm No. on track (one side) 45 (pieces) 49 (pieces) 49 (pieces) 51 (pieces) 49 (pieces) No.
Check item Criteria Remedy 10 Vertical width of idler guide Standard size Tolerance Repair limit Rebuild or replace Track frame 107 Idler support 105 11 Horizontal width of idler guide Track frame 250 Idler support 247.4 12 Recoil spring PC210-7K PC210LC-7K PC210NLC-7K PC240LC-7K PC240NLC-7K Standard size Repair limit Replace Free length x O.D. Installation length Installation load Free length Installation load PC210-7K 558 X 238 437 108.8 kN (11,100 kg) 534 87.3 kN (8,900 kg) PC210LC-7K PC210NLC-7K PC240LC-7K PC240NLC-7K 603.5 X 239 466 126.5 kN (12,900 kg) 576 100.9 kN (10,300 kg)