.
MAINTENANCE
MAINTENANCE PROCEDURE
CHECK AND TIGHTEN TRACK SHOE BOLTS
If the machine is used with track shoe bolts (1) loose, they will
break, so tighten any loose bolts immediately.
Tightening
1. Tighten first to a tightening torque of 393+-39 Nm {40+-4 kgm}, then check that the nut and track shoe are in tight
contact with the mating surface of the link.
2. After checking, tighten a further 120
° ±
10
°
.
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 contact
with the link mating surface.
4 - 28
