Service Manual

Canon NEW F-1 Service manual
Page 26
Adjustment Notes
7. Mechanical Release Stroke Adjustment
The shutter should release at 1.4±0.15mm of the
shutter button stroke. Adjust with the eccentric.
8. "Bulb" Pin Adjustment
Adjust so that at 1.25mm of the shutter button
stroke the
"bulb" pin and "bulb" lever are not touching.
9. Rewind Button Release Stroke Adjustment
9.1 Close the back cover. Set the rewind (R) button.
9.2 Adjust the eccentric so that the R button is released
at 1.0±(0.2mm of the shutter button stroke.
9.3 Check that the sprocket is free and turns smoothly
when the R button is set.
10. Following Needle Position
10.1 Mount the "tool standard" lens and set the diaphragm at
f/5.6.
10.2 Limit: A line "a" through the center of the following must fall
on the f/stop number (dimension "b"). The height of the
f/stop numbers is equal to 0.6 f/stops.
10.3 There must be approximately the width of the following
needle ring clearance between the outer edge of the
needle circle and the edge of the aperture scale make.
10.4 After adjustment, apply a small amount of cyanobond at
"c", "d" and "e".
10.5 Apply diabond to the root of the needle.