Sharp DV-NC70U Service Manual - Page 35

Installing The Master Cam At, Rear Side Of Mechanism Chassis, 26 Replacement Of Loading Motor

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8-25 INSTALLING THE MASTER CAM (AT REAR SIDE OF MECHANISM CHASSIS) 1. Make sure beforehand that the shifter is at initial position. (Right side from bottom view) 2. Place the master cam in the position as shown below. 3. Fix the E ring. E-ring DV-NC70U/C DV-NC72U 8-26 REPLACEMENT OF LOADING MOTOR • Removal Apply grease *Apply grease to the tip as well. Apply grease Leading connect gear. Apply grease Worm wheel gear. Apply grease Worm gear Loading motor. Red Wire + : Red - : White Insert L-M-Block. Figure 8-39-1. 4. Adjust the master cam and pinch drive cam, fix the synchro gear in correct position. Figure 8-40. Note: See the figure below for the phase matching between the master cam synchro gear and pinch drive cam. • Replacement Remove the loading motor, and install the replacement loading motor as shown below. Synchro gear Phase matching Pinch Drive Cam Hole of Pinch Drive Cam Master Cam Figure 8-39-2. Worm gear 6.95+- 00.15 mm Loading motor A part To press the motor in, first receive it by portion A. Figure 8-41. The loading motor pressing-in must be less than 196N (20 kgf). Adjust the distance between motor and pulley to 6.95 +0. 2 -0.15 mm. 35

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35
DV-NC70U/C
DV-NC72U
8-25 INSTALLING THE MASTER CAM (AT
REAR SIDE OF MECHANISM CHASSIS)
1.
Make sure beforehand that the shifter is at initial posi-
tion. (Right side from bottom view)
2.
Place the master cam in the position as shown below.
3.
Fix the E ring.
Note:
See the figure below for the phase matching between the
master cam synchro gear and pinch drive cam.
8-26 REPLACEMENT OF LOADING MOTOR
•
Removal
•
Replacement
Remove the loading motor, and install the replacement
loading motor as shown below.
Figure 8-41.
Figure 8-39-2.
The loading motor pressing-in must be less than 196N (20
kgf).
Adjust the distance between motor and pulley to 6.95
mm.
Figure 8-39-1.
Figure 8-40.
+0
.
2
–0.15
E-ring
6.95
mm
A part
Worm gear
+0
-0.15
Loading
motor
To press the motor in, first
receive it by portion A.
Apply grease
Worm gear
Apply grease
Apply grease
Apply grease
L-M-Block.
Worm wheel gear.
Leading connect gear.
*Apply grease to
the tip as well.
Loading
motor.
Wire
+ : Red
- : White
Red
Insert
4. Adjust the master cam and pinch drive cam, fix the
synchro gear in correct position.
Pinch Drive Cam
Synchro
gear
Phase
matching
Hole of Pinch Drive Cam
Master Cam