Check And Tighten Track Shoe Bolts - Komatsu PC600-6 Operation And Maintenance Manual

MAINTENANCE

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. First, tighten to a tightening torque of 784.5 ± 78.4 N·m (80 ± 8 kgf·m, 578.6 ± 57.9 lbft), then check that the nut
and shoe are in tight contact with the link mating surface.
2. After checking, further tighten to the tightening torque of 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.
MAINTENANCE PROCEDURE
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