[Adjust] Positioning 1St And 2Nd Mirror - Pentax K100D Service Manual

6. 【ADJ】Positioning 1
[Required equipment] 1
Mirror positioning scope.
＊Adjustment is performed by turning B58 (2 pcs). The Y-axis (the vertical direction) is adjusted
to a 0 target.
＊Front housing must set mirror down position.
① Positioning 1 st mirror : Put the 1
and then adjust the mirror seat so that the adjusting jig touches the mirror without gap.
Tolerance ---- X-axis : ±15'
nd
② Positioning 2 mirror : Attach the mirror positioning scope and the
nd
2 mirror angle adjusting jig to the camea, and then adjust the
mirror angle while looking through the eyepiece lens.
Tolerance ---- X-axis : ±0.3mm
(Refer to below tolerance for positioning scope)
③ After adjustment is done, apply the supper-glue to both B58.
nd
■ Tolerance for 2
(Using with the mirror positioning scope)
- 2 - 1
1mm hole
OK
（Standard）
st nd
and 2 Mirror
st
mirror angle (45°) adjusting jig, Mirror angle adjusting jig for 27830,
st
mirror angle (45°) adjusting jig on the camera,
Y-axis : ±10'
Y-axis : ±0.1mm
mirror position
Scale
2
1
- 2
1 2
- 1
- 2
Center of Standard
2
NG: 0.6(Y) or over
1
- 1
1 2
- 1
- 2
OK
76700 -24/94-
B58
2nd mirror
NG: 0.8(X) or over
NG NG
： Tolerance of 1 mm hole
（X-axis=±0.6、Y-axis=±0.8）
1st mirror