TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
(continued)
B -
Before (pre-flight)
A - After (post-flight)
ITEM
NO.
INTERVAL
B
A
ITEM TO BE INSPECTED/
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
10.
11.
12.
13.
14.
15.
16.
17.
18.
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Oxygen mask bayonet receivers.
Check attachment.
Check operation.
MBU-12/P oxygen mask.
Refer to T.M. 55-1660-247-12.
ANVIS goggles.
Refer to TM 11-5855-263-10.
AH-1 sight.
Refer to TM 9-1270-212-14&P.
EOHSS Sensor Assembly Unit.
Inspect for damage.
Inspect for operation.
EOHSS Cable Assembly and Strain Relief.
Inspect for damage.
EOHSS Single Visor Assembly.
Inspect for damage.
Maxillofacial Shield (MFS).
Inspect shield for damage.
Check condition of hardware.
Check operation of hinges
Check visors for fogging.
Check attachment of edge beading to
shield.
Lip Light.
Check attachment to MFS.
Check battery function.
Check switch function.
Loose or missing.
Receiver fails to hold bayonet in
place or release it.
Any damage exists.
Unit is not operational.
Cable assembly is damaged;
strain relief is damaged.
Visor is damaged
Holes or cracks exist.
Hardware is loose, missing,
cracked, or broken.
Hinges fail to operate.
Visors fog when shield is used.
Any portion of edge beading has
separated from the shield.
Lip light fails to bond to MFS.
Batteries fail.
Switch fails in ON or OFF
position.
Change 3
2-11
TM 1-8415-216-12&P
