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
			Inspect for dirt, dust, scratches or	Damage or scratches
17.	Before/After	Demist Shield	damage. If necessary, clean when	hinder vision with ATN
			shield is dry with dry lens tissue only.	NVM-14 on.
		Sacrificial	Inspect for dirt, dust, scratches, or	Damage or scratches
18.	Before/After			hinder vision with ATN
		Window	damage. If necessary, clean.
				NVM-14 on.
19.	Before/After	3X Magnifier	Inspect optical surface for dirt, dust,	Damage or scratches
			scratches or cracks.	hinder vision.
			Remove all items and shake out loose
20.	Before/After	Carrying Case	dirt or foreign material. Inspect for
			tears, cuts, excess wear or damage to
			mounting clips.
21.	Before/After	Shoulder Strap	Inspect for cuts, tears, or excess wear
			or damaged clips.