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14-6 Chapter 14 Maintenance and Inspection
Chapter 14
Maintenance and Inspection
14-5 Regular Checks
14-5-2 Maintenance Timings
Use the following table as a timing guide for checking
and replacing components of the unit.
These intervals are not guaranteed lifetimes; the timing
for replacing components depends on the particular
conditions of use. In particular, depending on the
degree of dirt contamination and abrasion, pinch
rollers and cleaners may require replacement earlier
than suggested by this table.
Note that an arrow in the table means that the
component to be replaced is part of the assembly the
arrow points to, which must be replaced as a whole.
For information on severe conditions (frequent threading/
unthreading) or how to replace components, refer to the
Maintenance Manual Volume 1.
Component
Digital hours meter indication
(menu number in parenthesis)
Guideline replacement intervals
R: Replace C: Check, and replace if necessary
1000 hrs 2000 hrs 3000 hrs 4000 hrs 5000 hrs 6000 hrs
Upper drum
Drum running time (H02)
Drum assembly
Brush slip ring assembly
Video head cleaner (roller)
Pinch roller assembly
Tape running time (H03)
Reel table assembly
Pinch application
assembly
Tape running time (H03)
Fan motor (card)
Operation time (H01) Replace after 40,000 hours
Fan motor (MD)
Replace after 40,000 hours
Power supply unit Replace after 40,000 hours
CCCC(↓)
C
RR(↑)
RR
RR
R (Replace at interval of
4000 hours.)
R