TB 1-1500-348-30
NOTE
The 90 day PMCS may be accomplished within, but not to exceed, a ten percent plus or minus
tolerance from the scheduled calendar date.
(c) Infinity focus check (ANVIS only).
(3) 180 Day Service. Document the accomplishment of the 180 day service on DA Form 2408-30. This
inspection is performed by AVIM IAW appropriate maintenance publications and consists of:
(a) The 90 day PMCS on the NVG and power pack.
(b) System current drain test (ANVIS only).
(c) Infinity focus check
NOTE
The 180 day service may be accomplished within, but not to exceed, a ten percent plus or minus
tolerance from the scheduled calendar date.
(4) Maintenance Operational Check (MOC).
(a) When maintenance has been performed by AVIM, the owning/maintaining unit will accomplish a
Maintenance Operational Check (MOC) utilizing Table 2-1 of the appropriate unit/intermediate maintenance manual.
(b) Document the completion of the MOC on DA Form 2408-30.
(c) The low/high light resolution test is not required as part of the MOC.
d. Dual Battery Pack (Power Pack).
(1) All power packs require a 90 day PMCS and a 180 day service IAW the appropriate technical manual.
(2) All Power packs will have a gum label attached which will indicate the 90 day PMCS and 180 day service
due dates.
NOTE
The 90 day PMCS may be accomplished within, but not to exceed, a ten percent plus or minus
tolerance from the scheduled calendar date.
NOTE
The 180 day service may be accomplished within, but not to exceed, a ten percent plus or minus
tolerance from the scheduled calendar date.
e. 120 Day Visor/Mount Check Documentation Requirements.
(1) All visors/mounts which are placed into service are required to have a 120 day continuity check.
(2) Record inspections for assigned visors/mounts on the DA Form 2408-22 for the helmet to which it is
assigned.
(3) "Float visor/mount will be recorded on a DA Form 2408-22 for each float on hand.
NOTE
A float visor/mount is a serviceable device not permanently assigned to an individual helmet.
f. Distortion Testing.
(1) Reference 13d and 13g describe specific procedures for accomplishing the distortion test.
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