STRUCTURE, FUNCTION, & MAINTENANCE STANDARD TRACK SHOE 12 Unit: mm 10-22 PC210/240-7K No. Check item Criteria Remedy 20 Shoe bolt a. Regular link Tightening torque (Nm {kgm}) Additional tightening angle (deg.) Retighten Triple shoe 490 ± 49 {50 ± 5} 120 ± 10 Road liner (Rubber pad type) 549 ± 59 {56 ± 6} — b. Master link Tightening torque (Nm {kgm}) Additional tightening angle (deg.) Lower limit torque (Nm {kgm}) — — — No. of shoes (each side) PC210-7K: 45, PC210LC-7K: 49, PC210NLC-7K: 49 PC240LC-7K: 47, PC240NLC-7K:
51 — 21 Interference between bushing and link Standard size Tolerance Standard inter- ference Adjust or replace Shaft Hole 59 +0.304 +0.394 +0.074 0 0.320 - 0.434 22 Interference between regular pin and link 38 +0.222 +0.162 -0.138 -0.200 0.300 - 0.422 23 Clearance between regular pin and bushing Standard size Tolerance Standard clear- ance Shaft Hole 38 +0.222 +0.162 +0.902 +0.402 0.180 - 0.740 24 Interference between master pin and bushing Standard size Tolerance Standard inter- ference Shaft Hole 37.8 +0.280 +0.250 +0.062 0 0.188 - 0.280 25 Clearance between master pin and bushing Standard size Tolerance Standard clear- ance Shaft Hole 38 -0.150 -0.350 +0.902 +0.402 0.552 - 1.252 Height of grouser Triple-grouser Standard size Repair limit Lug welding, rebuild or replace 26 16 Road liner 70 25 Replace :
Dry type track link