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6-2
6-1 PREVENTIVE MAINTENANCE
TABLE 6.1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR ATN PS-15
Item
No.
Interval
Location Item to
Check/Service
Procedure
Not functioning at
optimal level If
Before Maintenance
-
nance records.
Not Current.
Goggles
2. Before/After
Optical
Surfaces
Inspect lenses for dirt, fingerprint
residue, chips, or cracks. If necessary,
clean and dry lens with water and lens
tissue.
Scratches or chips
hinder vision with
goggles turned on, or if
cracks are present.
3. Before/After
External
Surfaces
Inspect for cracks or damage.
Scratches and gouges are OK if opera-
tion is not affected
Cracked or damaged.