Citizen CT-S300 Service Manual page 9

(4) Removing gear holder and reduction gear
• Remove them by removing the M3 × 6 (ST)
screw.
(5) Removing stepping motor
• Remove the M3 × 6 (ST) screw.
• While unhooking the flange of the motor, remove
the stepping motor.
(6) Removing open lever and lock lever
• Remove the EXT spring-01.
• While unhooking the "hook" of the open lever,
remove the open lever.
• Remove the lock lever.
* Note that removing the lock lever may result in
detaching the "Head support spring" to be
handled in (7).
(7) Removing head assembly
• Remove the head support springs holding the
head assembly at both sides.
• Remove the head assembly from the main
chassis.
Gear holder
EXT spring-01
Lock lever
Head assembly
6
CT-S300 Service Manual
Reduction gear
Stepping motor
M3 × 6 (ST)
Open lever
Hook
Head support spring