2-4. PERIODIC CHECK
Y Carry out the following maintenance and periodic checks not only
to fully display the functions and performance of the set, but also
for the equipment and tape. After repairing, service the set as
follows, regardless of the length of use.
2-4-1. Cleaning of Rotary Drum Assembly2-4-2. Cleaning of Tape Path System
1. Press a wiping cloth (J-13) moistened with cleaning fluid (J-1. Clean the tape path systems (TG1 to TG7 and capstan) and the
12) against the rotary drum assembly gently, and clean it whilelower drum using a super fine applicator (J-14) moistened with
rotating the rotary drum assembly slowly with your fcleaning fluid.inger in
the counterclockwise direction.
Note 1:Make sure that no oil or grease of the link mechanisms sticks to
Note:Do not rotate the motor on power or rotate the rotary drum assemblythe super fine applicator (J-14).
in the clockwise direction with your finger. The head tip will also beNote 2:Do not use a applicator moistened with alcohol to the other guide
damaged if the wiping cloth is moved perpendicularly against it.cleaning. But clean the pinch roller using alcohol.
Therefore, be sure to follow the above instructions when cleaning
TG4
the rotary drum assembly.TG5
TG6
TG3
Drum
Capstan
TG2
TG1TG7
Pinch roller
Rotary drum assemblyWiping cloth
2-4-3. Periodic Checks
Location of MaintenanceHours of Use (H)
Remarks
and Check500100015002000250030003500400045005000
Cleaning of tape path surfaaceaaaaaaaaa
Cleaning and degaussing ofBe careful of the
aaaaaaaaaa
rotary drum assemblyoil.
Timing beltNsNsNsNsNsMake sure that no
oil gets on the tape
Capstan (Bearing)NsNsNsNsNs
path surface.
Driving system
Loading motorNsNsNsNsNsX-3948-346-1
Abnormal noisessssssssss
Back tension measurementNsNsNsNsNs
Brake systemNsNsNsNsNs
Performance Confirmation FWD/RVS torque measurementNNNNNNNNNN
Note 1:When overhauling, refer to the checks above and replace parts.a : Cleanings : Confirmation
Note 2:Greasing
Always use the specified grease. If the viscosity differs, various
problems may occur.
(Use SG-941 for all parts of the C mechanism.)
Check the quantity of grease when installing the parts which is
needed to apply the grease.
Y FLOIL (SG-941): Part No. 7-662-001-39
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