Periodic Inspection
95
<Crawler structure>
<Common damages and failures of the crawler and the causes>
●-Most related ▲-Related
Cause
Damage/failure
Tension of
crawler
Driving
method
Road
condition
Poor
cleaning/
maintenance
Poor storage
Iron core wear, breakage and
fall-off
▲ ● ▲ ▲
Rib/projecting part damage
● ●
●
Damage of crawler inner side
▲ ● ▲ ▲
Fatigue/damage of each parts
● ● ●
Wire cord breakage
▲ ● ●
Driving sprocket wear
● ● ▲
Track roller / idler roller wear
▲ ▲ ▲
Insufficient traction
▲
Crawler falling off wheel
● ● ▲
Driving
sprocket hole
Retaining wheel
projection
Rubbe
Inner side of crawle
Grounding side
of crawler
Wire code
Iron code
Rib (protection)
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