Citizen CL-S6621 - Page 115

Disassembly, Reassembly and Lubrication
3-37 CL-S6621
• 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 (“a’ ”). Turn it until the
“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 (“b’ ”). Turn it until the “Holder
Adjust Sensor L” hits the left end and stops
.
3) Assemble the “Unit, Sensor U” with the 3 screws (BH, M3x4 (NI)).
4) Be sure that both indicators meet each other as shown below.
Holder Adjust Sensor U
Holder Adjust Sensor L
Holder Adjust Sensor U
BH, M3x4 (NI)
BH, M3x4 (NI)
a
b
a’
b’
Unit, Sensor U
Gear Bevel Lead Screw
(Blue)
Gear Bevel Joint Lead Screw
Holder Adjust Sensor L