Canon CXDI-55C, Service Manual

Page: 136 / 186

4. Repair Guide
8
3 Adhering the Grid
3.1 Introduction
At the sales company, a grid is adhered to the grid frame unit (option) using a grid sticking tool.
The grid should be obtained by the sales company. *Among the grid units available as options,
the AL grid made by Mitaya Manufacturing Co. serves as the standard unit.
3.2 Required specifications
•
Grid dimensions (width x height):
The grid dimensions must be 317 (W) x 267 (H) mm (allowable error: 0/-1 mm).
•
Effective area:
The effective area must be 292 mm (W) x 242 mm (H).
The outer edge center and effective area center must be the same (allowable error: 0/-1 mm).
•
Grid dimension (thickness):
3.5 to 3.7 mm (grid thi adjustment thickness of adhesive tape)
If this thickness dimension of 3.5 to 3.7 mm is not satisfied, unsteadiness, locking
difficulties or other trouble may arise when the grid unit is mounted on the imaging unit.
Reference: CXDI-60G/60C optional grid unit (The grids made by Mitaya Manufacturing Co.)
Grid Spacer
Grid ratio Focal length Thickness Spacer (L) Spacer (S) Thickness
4:1 110 cm 1.2 mm BA5-0322 BA5-0323 1.5 mm
8:1 110 cm 2.0 mm BA5-0325 BA5-0326 0.7 mm
10:1 110 cm 2.4 mm BA5-0328 BA5-0329 0.3 mm
* Thickness of adhesive tape: Approx. 0.9 mm (two types are used)
•
Grid density (40 lines/cm)
•
Focal length: 110 cm
•
Grid ratios: 3 (4:1, 8:1, 10:1)
Grid frame
Paint color: Cool white (NU-0105)
Grid caution label
Grid specifications
label
(G
rid fr
am
e op
eni
ng)
(Grid frame opening)
Lead foil direction
Color: Cloudy gray (PB-0043)
Bottom cover
Grid
Permit
number
label
(Gr
id center
)