Unit Head" And "Unit Pf - Citizen CL-E720DT Technical Manual

Chapter 3 Disassembly and Maintenance
3-6. Disassembly, Reassembly and Lubrication

3-6-11. "Unit Head" and "Unit PF"

1. Remove the "Cover PF Motor". Refer to
2. Remove the "Unit Opepane". Refer to
3. Remove the "Case" and "Cover Steel L". Refer to
4. Remove all connectors from the "SA Main PCB". Refer to
Connectors".
5. Remove the "Unit Mechanism". Refer to
6. Remove the 1 screw (BH M3.0x4 (NI)) () and detach the earth wire of the "Unit Head" ().
7. Open the "Unit Head" () and disengage the "Spring Head Up" ().
NOTE: At this time, hold the "Unit Head" () as it can fall off.
8. Disengage the 1 E-ring (E-Ring 4.0) (), and then remove the 1 screw (NO2 PH (SW+PW)
M4.0x16 (NI)) () and "Shaft Head Holder" ().
9. Remove the "Unit Head" () from the "Unit PF" ().
[Left side view]
FLOILG-311S
Notes on reassembling:
• When assembling parts, apply FLOIL G-311S to the following places shown by the mark "
A: Hole (front left). Circumference surface of the hole (on both sides) and inside the hole
B: Hole and projection (rear left). Circumference surface of the hole (on both sides) and along
the projection surface.
C: Along the contacting surface (rear left).
D: 3 surfaces on the "Shaft Head Holder" ().
Hooks for "Spring Head Up" () (2 places)
• When mounting the "Shaft Head Holder" (), be sure that its mounting direction is correct.
CL-E720DT
"3-6-3(1) Unit
1
BH M3.0x4 (NI)
Spring Head Up
2
3
E-Ring 4.0
"3-6-2 Cover PF Motor".
Opepane".
"3-6-4 Case".
"3-6-5(1) "SA Main PCB"
"3-6-6 Unit Mechanism".
5
Shaft Head Holder
A
FLOILG-311S
3-26
D
FLOILG-311S
FLOILG-311S
7 Unit Head
4
NO2 PH (SW+PW)
M4.0x16 (NI)
FLOILG-311S
6
Unit PF
C
B

".