Newcon Optik NVS 6 - Manual (Page 22)

21
Step Item Procedure NO-GO criteria
9 Eyepiece
assembly
(cont'd)
10 Objective
lens
assembly
Check objective lens to make
sure the Whole assembly is not
loose, that there is free
movement through full range of
travel (1/3 turn). Objective lens
Assembly
loose, travel
binds.
11 Adjustment
shelf
Check for cracks, broken electrical
Circuit and that spring-loaded ball
bearing are clean and operate
properly. Check full travel of eye-
span adjustment as follows. Hold
goggles at eye level, turn eye-span
knob(s) to move monoculars to
inside and outside extremes. Watch
to make sure the monoculars move
evenly. A small amount of wobble is
acceptable. If you think the wobble
is excessive, turn the NVS 6 to the
maintainer. Cracks, broken
circuit or ball-
bearing
inoperable.
Monoculars
wobble
excessively or
bind
12 Monocular
housing
Inspect exterior of the monocular
housing for damages. Cracks, damages