TM 9-2350-277-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES -- Continued
0090 00
ITEM
INTERVAL
MAN-
ITEM TO BE
CREWMEMBER
EQUIPMENT
NO.
HOUR
CHECKED OR
PROCEDURE
NOT READY/
SERVICED
AVAILABLE
IF:
b.
Check sprocket teeth for wear. Use
profile gauge on old style drive sprockets
(T130) to measure sprocket teeth. If any
of the sprocket teeth 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.
c.
Check cushions for wear and damage.
Any sprocket
If cushions appear to be moving on
tooth fails
sprocket hub, notify unit maintenance. If
gauge test or
track shoes are contacting sprocket hub
is worn to the
flange, a thumping sound will be heard.
wear indicator.
Cushions should be replaced. Notify unit
maintenance.
0090 00-89
Change 4