The Setting Position Of The Spring And Lever Etc. - Seiko 8R48A Technical Manual

TECHNICAL GUIDE

2. The setting position of the spring and lever etc.

34 Operating lever spring
32 Operating lever A
40 Chronograph coupling
lever holder
42 Chronograph coupling
lever B
39 Chronograph coupling
lever spring
26 Hour chronograph coupling lever
*1
42
39
*5
27
※
46
※ 48 Chronograph main plate
Note :
After assembling the movement, if an operation with the button does not work successfully, please recheck the
spring position.
*1
*2
35
34
The setting position of the operation cam with and lever.
*6
35
40
41
*2
35 Operating lever B
*6
*5
*4
*3
30
29
37
35
30
37
27
46
16/24
Cal. 8R48A/8R49A
30 Hammer operating lever A
46 Operating cam
41 Chronograph couling lever A
27 Wheel stop lever
*3
28 Hammer operating lever B
37 Operating cam jumper
29 Click spring
31 Hammer
*4
28
31
29
26
30
37
46
26