4-16.Rotary Switch, Cam Relay Gear, Change Gear Assembly, Timing Belt
Before replacing the timing belt, remove the guide rail T2 and capstan motor. (Refer to 4-4.)
1. Removal procedure2. Attachment procedure
1) Remove the LS chassis block assembly. (Refer to 4-10.)1) Insert the dowel of the r7otary s into the hole on thewitch
2) Remove the guide lock plate (T), pinch pressure assembly andmechanism chassis assembly and attach the rotary switch
eject arm. (Refer to 4-15.)clockwise.
3) Remove the cam rela1y g. ear 2) Align the FP-299 flexible wir6 with the ring board eference
4) Remove the timing belt 2.hole on the mechanism chassis and solder the flexible wiring
5) Remove the HLW cut (0.98 ´ 3 ´ 0.25) 3 and change gearboard to the rotary switch 7 (at four locations).
assembly 4.3) Attach the change gear assembly 4 with the HLC cut (0.98 ´
6) Remove the four solderings 5 and remove the FP-299 flexib3 le´ 0.25)3.
wiring board 6.4) Attach the timing belt 2.
7) Push up the dowel of the rotary switch 7 from the bottom ofNote:There must be a clearance between the rotary switch 7 and
the mechanism chassis assembly and remove the rotary switchtiming belt 2.
in the direction of the arrow.5) Attach the cam relay gear 1.
The in-phase markings of the rotary switch 7, cam relay gear
(2) and cam relay gear (1) must be aligned.
6) Attach the guide lock plate (T), pinch pressure assembly and
eject arm. (Refer to 4-15.)
7) Attach the LS chassis block assembly to the mechanical chassis.
(Refer to 4-10.)
8) Clean the shaft of the capstan motor. (Refer to 2-2.)
7 Remove the rotary switch
in the direction of the arrow.Attachment direction
The ribs must be facing upward.
Clearance must exist between
Dowel
the claw of the rotary switch and
the belt.
1 Cam relay gear (2)
SETTING THE GEAR POSITION
Hole of mechanism chassis
Rotary switch
3 HLW cut
Cam relay gear (2)
(0.98 ´ 3 ´ 0.25)
Cam relay
gear (1)
Belt must be completely
free from twist or stain
4 Change gear
when it is installed
assembly
5 Remove the
four solderings
2 Timing
Bend here at right angles. belt
Cam relay gear (1)
6 FP-299 flexible
board
Align the holes.
When attaching it, coat the hatched
portion with grease.
Fig. 4-16.
N 29 N |