OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
4.5.3.3 Check and fasten track bolt.
If operating machine with bolts
loosened, there is hazard that the bolts will
rupture. Therefore the loosened bolts should
be fastened.
Tightening method
Track shoe
1) Tighten at torque 490 ± 49 N m (50 ± 5
kgf m, 360 ± 36 lbft), then check to
make sure that nuts contact with track
link surfaces securely.
2) After checking, retighten 120° ± 10°.
Rubber block ( if mounted)
1) Tighten at torque: 549 ± 59 N m (56 ± 6
kgf m, 405 ± 43 lbft).
2) After tightening, check to ensure that
nut and track link contact surface
contact against each other securely. .
Tighten sequence
Tighten bolts in the sequence given in
right fig.
With bolts tightened, check bolts and
track link mating face to ensure they
contact securely.
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