2-30.6 Change 6
Table 2-1. Preventive Maintenance Checks and Services for M-9 ACE - Continued
If a mission requires the use of NBC
equipment, ensure that either the
MCS unit, which incorporates its
own NBC air heater and air purifier
are installed and operational. Without
the MCS unit or the NBC equipment
turned on, there is no adequate
protection against the threat and
exposure to nuclear, biological, and
chemical warfare. Failure to comply
may result in injury or death to
a. Functionally check the NBC
filtration system. Check for
presence and proper operation of
spring clip. Check for presence of
hose, heater, and caps, and any
damage to hose, heater and caps
that may impair proper operation of
NBC filteration system.
b. Check that communication is
possible while wearing NBC mask.
c. If MCS equipped, check MCS
control panel for proper operation in
all temperature modes.
d. Press test light to verify that test
light is operational.
e. If test light remains illuminated
after being released, filter
installation is incorrect. Notify unit
f. Check hoses and cage connector
for damage to missing components.
Check element for any restrictions
to airflow. Remove restrictions.
and End Bits
Check for damage and ware.
Allowable wear limits on cutting
edges are approximately 1/4 inch
(6.4 mm) from mold board.
Exceeds allowable limits of
1/4 inch from mold board.