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6.5 PREVENTIVE CHECKS AND SERVICE INTERVALS
The following standard table depends on environmental conditions and usage.
Parts replacing time does not mean the life span for individual parts.
AAlso, long term storage or misuse may cause transformation and aging of rubber parts.
The following list means standard hours, so the checking hours depends on the conditions.
Time5001,0001,5002,0002,500
Notes
Parts Namehourshourshourshourshours
Audio Control Head777?
Full Erase HeadClean those parts in contact with the tape.
777?
(Recorder only)
Capstan Belt????Clean the rubber, and parts which the rubber
Pinch Rollertouches7????
BCapstan DD Unit????
Loading Motor?
Tension Band????
T Brake Band????
Clutch Assy????
Idler Arm Assy????
Capstan Shaft77777
Tape Running Guide Post77777Replace when rolling becomes abnormal.
Cylinder Unit7????Clean the Head
C7 : Clean
? : Check it and if necessary, replace it
CLEANING
NOTE2. TAPE RUNNING SYSTEM
After cleaning the heads with isopropyl alcohol, do not run a When cleaning the tape transport system, use the gauze
tape until the heads dry completely. If the heads are not moistened with isopropyl alcohol.
completely dry and alcohol gets on the tape, damage may
occur.3. CYLINDER
DWrap a piece of chamois around your finger. Dip it in
isopropyl alcohol. Hold it to the cylinder head softly.
1. AUDIO CONTROL HEADTurn the cylinder head counterclockwise to clean it (in the
Clean the Audio Control Head with the cotton stick soaked direction of the arrow). (Refer to the figure below.)
by alcohol. Clean the full erase head in the same manner.
(Refer to the figure below.)NOTE
Do not exert force against the cylinder head. Do not move
the chamois upward or downward on the head.
Use the chamois one by one.
E
Cylinder Head
F
Audio Control Head
DVR-RT500-S84
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