TM 9-2350-287-10
Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
Location
Item
Interval
Item to
Crewmember
Not Fully Mission
No.
Check/
Procedure
Capable If:
Service
38
After
Sprockets
NOTE
(continued)
· Only two sprocket teeth have
wear indicators.
· Sprocket teeth wear faster on the
inside. A tooth may be excessively
worn, but still not show wear into
wear mark.
b. Check sprocket teeth for exces-
b. One or more
sive wear. Using a ruler, measure
sprocket teeth worn
from inside edge of tooth into wear
into edge of wear
area. Then measure distance from
indicator; one or
edge of tooth to wear indicator. If
more sprocket teeth
the first measurement is equal to or
showing excessive
greater than the second, sprocket
wear.
wear is excessive. Notify Unit
maintenance.
2-59