. MAINTENANCE MAINTENANCE PROCEDURE N · m (20 ± and shoe are in close 4 - 26 CHECK AND TIGHTEN TRACK SHOE (Machine eq uipped with steel shoes, road li If the machi ne is used with tr ack shoe bolts (1) loose, they will break, so ti ghten any loose bolt Method for f urther tightening of steel shoe 1. First tigh ten to a tightening torque of 118 ± 19.6 N·m (12 ± 2 kgf ± 14.5 lbft ) then check that the are in ntact with t he link contact surfac 2. After ch ecking, tighten a f urther 90° ± 10 Method for f urther tightening Tighten to a tightening torqu e of 196 ± 19. 144.7 ± 14.
5 lbft) then check that contact with the link contact s 2 kgf ·m, Order for tig htening bolts in the order shown in the diagram on the right. Tighten the th After tighten ing, check that th e nut and shoe are in close contact ontact with the link mating surface.