3.25 TROUBLE SHOOTING OPERATION
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3.25.3 FINAL DRIVES AND SWING GEAR
3.25.4 CRAWLER TRACKS
Noisy operation
● Incorrect lubricant or oil level too low
● Bearings scored or damaged.
● Sun gear teeth excessively worn or damaged
● Bearings of planetary pinions worn
Excessive track wear
● Wrong track tension
● Track roller loose or out of alignment
● Track shoes loose
● Track links stuck
● Worn drive sprocket
Excessive wear on drive sprocket
● Wrong track tension
● Track links (pins/bores) Excessively worn
● Sprocket, rollers and guide wheel out of aligment
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