RCA SelectaVision VideoDisc SFT 100 Service Data page 45

2. Separate the gear assembly — remove three phillips head screws апа elther worm gear retaining "C"
ring. Clutch assemiby can now be removed.
3. Remove the grip ring from the clutch end of the shaft, add two .010" washers (stock no. 152569, drawing
no. 2841781-1), герјасе the grip ring and check clutch assembly operation per Step B. Add or remove
washers as required to achieve proper clutch adjustment.
4. Reassemble the gear assemiby, Install in the player, and check player operation.
SYMPTOM! SYMPTOM II
CLUTCH FREE IN САМ FREEIN
|
INSTALL WASHERS
LOAD/UNLOAD PLAY/OFF
INSTALL.
WASHERS
Reduction Gear Assembly Exploded View
SYMPTOM И
About ten to fifteen minutes into the program, stylus skips forward over one or two minutes of programming. As the
landing latch spring releases, forward pressure Із applied to the arm. Excessive end play in the worm gear will allow the
arm to jump forward slightly,
Corrective Action:
A. Minimize worm gear end play — remove the "C" ring from either end of the worm gear shatt and add shim washers
as required to eliminate end play. Obtain washers locally — shaft diameter is Ув", total thickness required may
vary from .030 to.150. Replace the "C" ring and check play operation.
Service Information No. 1