Inspection.standards - Nikon D3100 VBA28001 Repair Manual

Inspection.standards

Items
External.view
Step.
(height.in.difference)
Gap
Size./.Force
Shutter.release.button
Aperture.lever
Main.mirror
Sub-mirror
∞ Infinity focus
User ID:INC
Judgment.standard
Top.cover.&.apron,.Top.cover.&.rear.cover:.0.2.mm.or.less
IF.cover.&.cover.:.0.2.mm.or.less
Other.parts.than.the.above:....0.3.mm.or.less
Moving.parts:.0.5.mm.or.less
Top.cover.&.Apron,.Top.cover.&.rear.cover:.0.2.mm.or.less
SB case & Top cover; SB case & Apron (when built-in flash unit is
housed).:.0.5.mm.or.less
Other.parts.than.the.above:..0.3.mm.or.less
Moving.parts:.0.5.mm.or.less
Protrusion:.1.23.±.0.2.mm.
Halfway-pressing.force:.0.98.±.0.49.N.(100.±.50gf)
Halfway-pressing.stroke:..0.5.±.0.2.mm
Releasing.force:.2.55.±.0.69.N.(260.±.70gf)
Releasing.stroke:..0.7.±.0.25.mm
Full.pressing.stroke:.0.25.±.0.1.mm.from.pressing.halfway
Difference.btwn.half-pressing.and.releasing.force:
0.5N.or.more.(51.gf/gram-force.or.more ）
3.4.height:.3.3.-.3.6.mm
45°.angle:.Up-down..±.10'
.Right-left..±.30'
.................Distortion:.8'.or.less
Gap.of.up-mirror.in.mirror.box:.None
51°.up-down.angle:.Up-down.0.±.20'
..............Distortion:.8'.or.less
± 100μm
- R1 ・ D3100 -
VBA28001-R.3813.A
Remarks
Visual.check
Digital.micrometer
Visual.check
Thickness.gauge
Digital.micrometer
Tension.gauge
3.4.height.gauge
Collimator
Main.mirror.tool
Visual.check
Feeling.in.hand
Sub-mirror.tool
Collimator
∞ Focus lens