TM 5-3805-280-24-1
Operational Checkout Procedure
SPROCKET WEAR
Inspect drive sprocket.
YES: Replace sprocket.
CHECK
Go to Group 0130.
Is tooth wear excessive?
NO: Go to next check.
NOTE: Do not evaluate sprocket by condition of tooth
tip. Tooth tip wear does not affect sprocket operation if it
9005
does not extend into the bushing contact area.
10
20
NOTE: Reverse drive side wear is generally more than
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forward drive side wear.
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GROUSER WEAR, BENT
Inspect for worn grousers, bent track shoes, and loose
YES: If shoe hardware is
TRACK SHOE, AND
shoe hardware.
loose, remove shoe and
LOOSE HARDWARE
clean joint before
CHECKS
tightening. Go to Remove
Are grouser bars worn excessively?
and Install Track Shoe in
Group 0130.
Are track shoes bent?
NO: Go to next check.
Is track shoe width appropriate for ground condition?
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Is track shoe hardware tight?
NOTE: Excessive grouser wear weakens track shoes
and may result in track shoes bending.
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TRACK LINK ROLLER
Inspect track links for pin boss wear.
YES: Go to
AND FRONT IDLER
Undercarriage Appraisal
WEAR CHECKS
Manual SP326 for more
Do link pin boss areas indicate contact with roller flanges
information and
or track guides?
specifications.
NOTE: Some contact or wear is normal. Excessive
contact or wear indicates excessive rail wear.
NO: Go to next check.
Inspect front idler flanges.
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UN19OCT88
Do idler flanges contact bushings?
NOTE: Idler contact with bushings indicates excessive
chain rail wear and idler tread surface wear.
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