JMECHA - Sony VCR Service Manual (repair manual). Page 28

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1)

Remove the three screws (M1.4 

×

 2) 1.

2)

Remove DC motor (capstan).  Remove belt from the pulley of
conversion gear.

3)

Remove conversion gear.

4)

Remove relay gear.

1)

Coat relay gear shaft and conversion gear shaft with grease (1/
8 drop).  (Amount of grease must be strictly controlled.)

2)

With the larger gear of the relay gear positioned down, attach
the relay gear to the relay gear shaft.

3)

With the pulley side of the conversion gear positioned up,
engage the conversion gear teeth with the relay gear teeth, and
install them.

4)

Before installing the DC motor (capstan (including belt)), check
that belt is not twisted.  Hook a belt on the pulley block of
conversion gear.  Align three shafts with corresponding holes.
At this moment, confirm that belt does not override on the shaft.

5)

Install DC motor (capstan) with three screws (M1.4 

×

 2) 1 in

the order of A, B and C.
A

, B, C tightening torque

A

 tightening torque: 0.059 ± 0.01 N•m (0.6 kg•cm)

B

 and C tightening torque: 0.038 ± 0.01 N•m (0.4 kg•cm)

Be careful that gears and belts are not damaged or dust is not attached.
Be careful also not to splash grease.

1

×

A

C

B