Olympus OM-1 - Film Advancing Operation Is Not Smoothly Carried out; Film Advancing Lever Does Not Return Completely And;Or Smoothly to the Original Position

E-9
8. Film advancing operation is not smoothly carried out.
1) CA8828 (Shaft) and CA8836 (Gear) stuck together.
Adjust the position of 8501 (Plate).
2) Delayed release action of CA8586 (Spring)
Ref: E-4 1-2)
3) CA8578 (Lever) stuck.
0
Check the appropriate parts and make necessary repairs or adjustments.
4) Excessive charging force CA8412 (Lever).
Check the operation of the related parts and make necessary repairs
or adjustments.
Checkup:
The charging force of 8412 should be: 430 - 500 gr.
9. CA8749 (Lever) does not return completely and/or smoothly to the original
position.
1) Top-cover mounted slightly off position.
When 8703 (Top-cover) is mounted off position, it will cause 8753
(Decoration) and 9083 (Washer) to rub each other.
The position of-the 8703 should be adjusted.
2) CA8774 (Spring) 795- T (Spring) worn out, broken or entagled.
http://olvmpus.demcntia.org/Hardwarc