Citizen CL-S6621 Technical Manual page 115

• When assembling the "Unit, Sensor U", follow the next steps.
1) Before assembling the "Unit, Sensor U", turn the "Gear Bevel Lead Screw U" (blue knob) in
the direction "a" to move the "Holder Adjust Sensor U" to the left
"Holder Adjust Sensor U" hits the left end and stops.
2) Before assembling the "Unit, Sensor U", turn the "Gear Bevel Joint Lead Screw" in the
direction "b" to move the "Holder Adjust Sensor L" to the left
Adjust Sensor L" hits the left end and stops.
3) Assemble the "Unit, Sensor U" with the 3 screws (BH, M3x4 (NI)).
Holder Adjust Sensor L
Gear Bevel Joint Lead Screw
4) Be sure that both indicators meet each other as shown below.
Holder Adjust Sensor L
b
Holder Adjust Sensor U
Disassembly, Reassembly and Lubrication
BH, M3x4 (NI)
b'
3-37
("a' "). Turn it until the
("b' "). Turn it until the "Holder
Unit, Sensor U
BH, M3x4 (NI)
Holder Adjust Sensor U
a'
a
Gear Bevel Lead Screw
(Blue)
CL-S6621