Mitsubishi Electric HS-U449 Service Manual page 40

(Installation)
1. Install the SPACER shown in Fig. 2-34-1.
Note : Be sure to use a new SPACER supplied with the
new UPPER DRUM ASSY.
2. Install the UPPER DRUM ASSY shown in Fig. 2-34-1.
3. Install the END RING so that the reference hole (A)
of the END RING shown in Fig. 2-34-2 is positioned in
parallel with the rear line of the MAIN PLATE ASSY.
(The reference hole (A) shall be on the right when
viewed from the bottom.)
4. Apply the screw-sealing agent to the hexagon screw
(c) fastening the END RING shown in Fig. 2-34-1.
5. Install the ROTOR CASE shown in Fig. 2-34-3,
aligning its holes with the three reference holes (B) of
the UPPER DRUM ASSY.
6. Install the BRUSH shown in Fig. 2-34-1.
7. Install the BRUSH SPRING shown in Fig. 2-34-1.
8. Install the DRUM MOTOR STATOR shown in Fig. 2-
34-1.
9. Connect the LEAD CONNECTOR of the DRUM ASSY
shown in Fig. 2-34-1.
10. Perform "3. Interchangeability Adjustment of the
Mechanism."
11. Perform the Playback Switching Point adjustment
referring to the Circuit Adjustment section.
12. Clean the DRUM ASSY with alcohol.
2-35.CAPSTAN MOTOR
DECK POSITION : Normal
Remove the following part before replacing the CAPSTAN
MOTOR. Refer to the corresponding item to install it.
• REEL BELT (Item 2-14.)
(Removal)
1. Rotate the WORM WHEEL in Fig. 2-35-1 in the
direction shown by arrow A to release the hooks of
the BOTTOM ASSY from the locks of the STAY
PLATE.
END RING
Hook of
BOTTOM ASSY
- 27 -
A
Rear Line of MAIN PLATE ASSY
Fig. 2-34-2
ROTOR CASE
B
UPPER DRUM
ASSY
Fig. 2-34-3
Lock
Lock
STAY PLATE
Fig. 2-35-1
WORM
WHEEL
A