Olympus OM-1 Repair Manual page 4

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EXPLANATORY NOTES ON VARIOUS MARKS &
NUMBERS USED IN IMPROVED PARTS TABLE
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Only Body Die-Cast is not available in case of overseas.
An assembled parts is supplied including parts marked with
Single parts is supplied.
Not to be supplied in single parts, but as an assembled parts.
Left-handed screw, (the mate screw hole is not marked particularly).
All right-handed screws have no special indication.
Improved parts. Number shows INDEX in IMPROVED PARTS TABLE where
more details are explained.
No more available parts.
The place where parts have been improved.
Dimensions of improved parts and improved points.
Replacing parts of no more available parts marked with -
How to replace parts or how to repair.
Original parts are also usable instead of improved parts.
Printing error. No parts are built-in cameras.
The part which should not be touched directly by fingers.
Be sure to cover fingers with rubber sacks.
Clarify HOUSE CODE, PARTS NUMBER and QUANTITY in your ORDER SHEETS.
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