TM 9-2350-267-10
Table 2-1. Preventive Maintenance Checks and Services for Model M992
Location
Item
Interval
Item to
Crewmember
Not Fully Mission
No.
Procedure
Check/
Capable If:
Service
DRIVER
48
Weekly
M45 Peri-
CAUTION
scope
Handle periscope care-
fully during removal to
avoid
damaging
the
frame and glass of the
periscope.
Remove periscope by loosen-
ing two thumbscrews.
Check between carrier wall
Any periscope over
and periscope for dirt or mois-
50% vision ob-
ture.
strutted, missing or
unserviceable.
coMMANDER
49
Weekly
M27
Check for damage and cleanli-
Any periscope over
Peri-
ness.
50% vision ob-
scope
strutted or missing.
2-69
