Preliminary Perforation Position - Canon A-1 Repair Manual

2-13 Preliminary Perforation Position
Note: The final perforation positioning adjustment 1s
performed when the charge gear is installed
(Section 2.15, 2.16).
1 . Align the center of the riveted dowel on compound
gear-II with the scribed line on the Winding Base.
(CF1-023l-000) as shown in figure 2-15. The limit is
±1/2 the dowel diameter.
Riveted
Dowel
o
Scribed Line
Winding
Fig. 2-15
Line
Riveted Dowel
2. To adjust, change the mesh of the sprocket gear with
relation to the compound gear-II. (Change the
sprocket gear, not the compound gear.
Notes : 1) To move the perforations toward the
speol end, cha nge the mesh one or two
teeth in the spool direction. (For a
slight change, change the mesh by four
teeth.)
2) To move in the cartridge end direction,
reverse the above procedures.
3) When correctly positioned, the sprocket
gear will be approximately as shown in
Fig. 2-16.