TM 9-2350-261-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued
0075 00
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
NOTE
New style drive sprockets (T150) have a
round circle for a wear indicator and do
not require track and sprocket gauge
to measure sprocket tooth wear. The
old drive sprockets (T130) require the
use of the track and sprocket gauge to
measure the sprocket teeth.
c.
Check sprocket teeth for wear. Use track
and sprocket gauge (WP 0094 00, Table
2
, Item 22) o n old s tyle drive s prockets
(T130) to measure sprocket teeth. If any
of the sprocket tooth does not extend
beyond gauge or wear indicator (on newer
sprockets), notify unit maintenance. New
style (T150) sprocket teeth have a wear
gauge as a part of the sprocket. If only one
side of sprocket shows wear, notify unit
maintenance to reverse sprocket.
Any sprocket
tooth fails
gauge test or
is worn to the
wear indicator.
d.
For both styles (T130 or T150), check
cushions for wear and damage. If cushions
appear to be moving on sprocket hub,
notify unit maintenance. If track shoes are
contacting sprocket hub flange, a thumping
sound will be heard. Cushions should be
replaced. Notify unit maintenance.
0075 00-86