Sanyo RD 30 Service Manual page 5

MECHANICAL ADJUSTMENTS (Continued)
TAKE-UP TORQUE ADJUSTMENT 2. If the torque value is more than 100g-cm, apply a proper
1. Insert the cassette-type torque meter into the unit and amount of silicone grease (Example: SHIN-ETSU SILICONE
measure the torque of the Take-up Reel Gear with the unit KS-64) to the groove of the Friction Assembly.
in the playback mode. It should be 30 — 50g-cm.
3. If the torque value is less than 55g-cm, replace the Take-up
Belt with a new one.
Take-up Torque
MOTOR SWITCH ADJUSTMENT
1. Set the unit in the stop mode and check to see that the
clearance between the Motor Switch and the Brake is
Torque Meter Take-up Reel Gear turned on by pressing one of the Select Buttons (PLAY, FF,
or REW).
2. If necessary, adjust the torque by moving the Friction
Spring of the Friction Assembly as illustrated. Motor Switch
Friction Assembly
move the sal
Motor Switch oo omm
move the
Sa : Friction Spring
Friction Spring 2. |f necessary, loosen the screw fastening the Motor Switch
and shift the Switch to the specified position.
3. After the adjustment, tighten the screw and secure it with
NOTE: paint or glue.
[f the Take-up Reel Gear and the Take-up Gear run idle and
produce an abnormal sound, adjust the take-up torque as
low as possible.
MUTING SWITCH ADJUSTMENT
1. This Switch is normally colsed. Check to see that the
FAST FORWARD & REWIND TORQUE clearance between the both contacts of the switch is
1. The fast forward and rewind torque value measured by the 0.5 — 1.0mm with the PLAY button down as illustrated.
cassette type-torque meter should be 55 — 100g-cm.
Switch
t 0.5 — 1.0mm
move the
Switch
Cassette Type
Torque Meter
2. If necessary, loosen the screw fastening the Switch and move
the Switch to the specified position.
NOTE:
Read the torque values on the torque meter just before the 3. After the adjustment, tighten the screw and secure it with
unit automatically shuts off. paint or glue.
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