Preventive Maintenance Checks And Services (Pmcs); Purpose Of Pmcs; Frequency Of Performing Pmcs - ATN VOYAGER 3 Operator's Manual

4.1. PREVENTIVE MaINTENaNcE
cHEcKS aND SERVIcES (PMcS)

4.1.1. PuRPOSE OF PMcS

pmCS is performed daily when in use to be sure that the voyager
is ready at all times. procedures listed in table 4-1 are a systematic
inspection of the voyager that will enable you to discover defects
that might cause the device to fail on a mission.

4.1.2. FREquENcy OF PERFORMING PMcS

the frequency of performing pmCS is as follows:
1. Daily when the voyager is in use.
2. When it is removed from the case for any reason.
TablE 4-1 PREVENTIVE MaINTENaNcE cHEcKS aND SERVIcES
lOcaTION ITEM
SEq.
TO cHEcK/
NO.
SERVIcE
1 maintenance
optical
2
Surfaces
external
3
Surfaces
4-2
PROcEDuRE
open carrying case, inventory
items.
previously recorded faults on
maintenance records.
bI-OculaR
Inspect lenses for dirt,
fingerprint residue, chips, or
cracks. If necessary, clean
and dry lens with water and
lens tissue.
Inspect for cracks or damage.
Scratches and gouges are oK
if operation is not affected
NOT FuNcTION-
ING aT OPTIMal
lEVEl IF
not Current.
Fault not cor-
rected.
Scratches or
chips hinder vi-
sion with goggles
turned on, or if
cracks are pres-
ent.
Cracked or dam-
aged.