Sylvania SRD4900, Service Manual

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2-1-1 U29NMEN
STANDARD MAINTENANCE
Service Schedule of Components
This maintenance chart shows you the standard of replacement and cleaning time for each part.
Because those may replace depending on environment and purpose for use, use the chart for reference.
Notes:
1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / ACE Head / FE Head) using
90% lsopropyl Alcohol.
2.After cleaning the parts, do all DECK ADJUSTMENTS.
3.For the reference numbers listed above, refer to Deck Exploded Views.
H: Hours : Cleaning
I
: Replace
Deck Periodic Service Schedule
Ref.No. Part Name 1,000 H 2,000 H 3,000 H 4,000 H
B2 Cylinder Assembly
I I
B3 Loading Motor Assembly
I
B8 Pulley Assembly
I
I
B587 Tension Lever Assembly
I I
B31 ACE Head Assembly
I
B573, B574 Reel (SP)(D2), Reel (TU)(D2)
I
B37 Capstan Motor
I I
B52 Cap Belt
I I
B73 FE Head
I
B133, B134 Idler Gear, Idler Arm
I I
B410 Pinch Arm(A) Assembly
I I
B414 M Brake (SP) Assembly
I I
B416 M Brake (TU) Assembly
I I
B525 LDG Belt
I I
B569
(2 head only)
Cam Holder
I I
B593
(4 head,
4 head HiFi
only)
Cam Holder Assembly
I I