Komatsu — TRACK SHOE BOLTS - CHECK/TIGHEN

MAINTENANCE PROCEDURE MAINTENANCE Track Shoe Bolts - Check/Tighten 0. (Machine equipped with road liner, Steel shoe) If the machine is used with track shoe bolts (1) loose, they will break, so tighten any loose bolts immediately Method for further tightening of road liner After tightening to a torque of 137 ± 19.6 N·m (14 ± 2 kgf·m, 101.3 ± 14.5 lbft), check that the nut and shoe are in tight con- tact with the link mating surface. Method for further tightening of steel shoe 1. First tighten to a torque of 137 ± 19.6 N·m (14 ± 2 kgf·m, 101.3 ± 14.5 lbft) then check that the nut and shoe are in close contact with the link contact surface. 2. After checking, tighten a further 90є ± 10є.

Order for tightening Tighten the bolts in the order shown in the diagram on the right. After tightening, check that the nut and shoe are in close con- tact with the link mating surface. 4-26