Table 4-1. Aviation Unit Preventive Maintenance Checks and Services
ITEM
NO.
INTERVAL
ITEM TO BE INSPECTED/
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
15.
16.
Every 120 days
Every 120 days
Every 120 days
Every 120 days
Every 120 days
Every 120 days
Every 120 days
Every 120 days
Maxillofacial Shield (MFS).
Inspect shield for damage.
Check attachment 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.
Holes or cracks exist.
Hardware is loose or missing.
Hinges fail to operate
Visors fog when MFS 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.
TM 1-8415-216-12&P
Change 3
4-4.1/(4-4.2 blank)
