2.2 Replacement of the main mechanism parts 2.2.1 Cassette holder 2.2.1.1 Removal (1) Remove the screws (a) and (b). (2) Hold up the top frame, cassette holder assembly, drive arm assembly and side frames (L/R) all together and remove them by releasing the hooks (a) and (b).
Screw (a)
2.2.1.3 Disassembling (1) Release hook (a) to remove the earth spring (1) from the top frame. (2) Release the catches (a) and (b) and pull the top frame in the direction shown by the arrow (a) to remove it. (3) Pull out the side frame (R). (4) Pull out the cassette holder assembly and drive arm assembly from the side frame (L).
Hook (a)
Catch (a)
Catch (b)
Screw (b)
Hook (a) Hook (b)
EARTH SPRING(1) Arrow (a) TOP FRAME
Fig. 2-2-1a 2.2.1.2 Installation (phase adjustment) (1) Turn gear (a) of the loading motor assembly so that the main deck connects to the guide hole (a) of the drive lever. (2) Hook the main deck to hooks (a) and (b). (3) Place the projection of the drive lever to section (a) of the side frame (R) and install the cassette holder to the main deck. Make sure that the bosses of the side frame (L/R) connect with the holes (a) and (b) of the main deck. (4) Secure screws (a) and (b).
Screw (a) Screw (b)
SIDE FRAME(L) CASSETTE HOLDER Assembly DRIVE ARM Assembly
SIDE FRAME(R)
Fig. 2-2-1c 2.2.1.4 Assembling (installation and phase adjustment) (1) Turn gear (a) of the loading motor assembly so that the main (2) (3) (4) deck connects to the guide hole (a) of the drive lever. Place the projection of the drive lever on section (a) of the side frame (R) and install the side frame (R) to the main deck. Secure screw (b). Place section (b) of the drive arm on the gear of the side frame (R). Make sure that the pin of the door opener connects with section (c) of the drive arm. Place the drive arm on section (d) of the side frame (L) and install the side frame (L) on the main deck. Be sure to con-
nect the earth spring (1) to the side frame (L). (6) Secure screw (a). (7) Turn gear (a) of the loading motor assembly until the drive arm is vertical. (8) Place the slit of the side frame (L/R) at the foot of the cassette holder assembly and install the cassette holder. (9) Place the top frame on the position guide (a) of the side frame (L/R) and push it in the direction shown by the arrow (a) for installation. (10) Hook the earth spring (1) to the hook (a) of the top frame.
