Disassembling "Unit, Mechanism - Citizen COMPACT CT-S851 Series Service Manual

CT-S851 Series Service Manual
1-2-2.

Disassembling "UNIT, MECHANISM"

1. Disassembling "SA, COVER OPEN SENOR - F"
Remove two "SCREW, No. 0 PHT (BT#3), M1.7 × 7" that fasten "SA, MAIN FRAME" and "SA, COVER
OPEN SENSOR" (2 pcs), as well as the tape that secures "CABLE".
SCREW, No. 0 PHT (BT#3), M1.7 × 7
2. Disassembling "GEAR DAMPER"
Remove two "SCREW, BHT (ST), M2.0 × 4" that fasten "SA, MAIN FRAME" and "GEAR, DAMPER".
SCREW, BHT (ST), M2.0 × 4
3. Disassembling "GEAR REDUCTION"
Remove "SCREW, PHT (#2), M3.0 × 8" and "SCREW, PHT (ST), M3.0 × 6" that fasten "SA, MAIN
FRAME" and "COVER, GEAR-02", and remove "GEAR REDUCTION" from "COVER, GEAR-02".
SCREW, PHT (ST), M3.0 × 6
SCREW, PHT (#2), M3.0 × 8
<Precaution at reassembly>
When reassembling, align the "SA, COVER OPEN
SENSOR" switch with the hole at "FRAME, MAIN", and
secure it with one screw.
Do not forget to attach a tape to secure the cable.
<Precaution at disassembly / reassembly>
The unit can be mounted in either orientation.
This part is not compatible with the one for CT-S801.
COVER, GEAR-02
GEAR REDUCTION
- 14 -
<Precaution at disassembly /
reassembly>
If the screws are tightened
excessively when reassembling,
"COVER, GEAR" will be damaged.
Be careful not to tighten them
excessively.