ATN 3 manual Preventive Maintenance Checks and Services for ATN NVM-14

Table 6.1 Preventive Maintenance Checks and Services for ATN NVM-14 (cont.)

Item	Interval	Location Item to	Procedure	Not Fully Mission
No.		Check/Service		Capable If
			Refer to Section V – Operation Defects	Flickering, flashing,
10.	Before/After	Viewed Image		edge glow, or shading
			– to inspect for operational defects.	is observed.
			Inspect for cuts, tears, fraying, holes,	Damage causes straps
11.	Before/After	Strap Pads		or pads to be unserv-
			cracks, or defective fasteners.
				iceable.
			Inspect for dirt, dust, or corrosion.
			Insert ATN NVM-14 latch into socket to	Damaged, latch won’t
12.	Before/After	Socket	verify secure attachment of ATN NVM-
				work or too loose.
			14 to headmount. If necessary, clean
			socket with water.
		For and Aft	Press the socket-release button and	Binding, damaged or
13.			check for free motion. Inspect for	non-operational slide
		Adjustments
			damage.	mechanism.
		For and Aft	Press the socket-release button and	Binding, damaged or
13.			check for free motion. Inspect for	non-operational slide
		Adjustments
			damage.	mechanism.