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7. Waintenance/Inspection Schedules of Mechanical Parts
6
Caution:
This
timetable
shows
the period when each component
is required
to be maintained
and
inspected.
Use the following table as a reference as the maintenance/inspection period depends on how the
unit is used and the environment in which it is used.
For components
indicated
as C/R,
replace components
if the VCR does not become normal
after
being cleaned.
Table-4
Component
Hours
P
1000,
3000
Video heads (cylinder motor)
Audio/control
(A/C) head
Full erase (FE) head
Supply guide
roller
Take-up
guide
roller
Tension
band
Tension arm
Supply ree] disk
Take-up
reel disk
Pressure
roller
assembly
Drive belt
Capstan motor
Loading motor
Cylinder motor
Mechanism state switch
Idler gear
1
Idler gear 2
FR gear
Supply slant pole
Take-up slant pole
Impedance roller
Guide pole
Tape guideline on cylinder
Brake (L)
Brake (R)
HC arm
Shaft and bearing of supply reel disk
Shaft and bearing of take-up ree! disk
Shaft_and bearing of idler gear 1
Ala)
(A) [RQ
AAQAQAQWA/A
AYA
Q]
OQ]
A)
a]
2s)
7) I
a]
BW]
Q]
AQ)
OQ]
Q]
AQ]
QQ]
Zl alalalalalal
\\\fajajqjaa)
Shaft
and bearing
of idler gear
2
Shaft
of pulley
assembly
Shafts of torque change gear and
FR drive gear
Shaft
of pressure
roller
arm
Guide
roller
base moving
sections
in chassis
Surface of contact between cylinder motor
base
and guide
roller base
during
loading
Surface of contact between tension arm and
supply guide roller base
alalalaialal
I\I\IQ|
E=4
: Replacement
of parts
Cleaning
Lubricating oi! (Sonic Slidas oil)
: Coating grease
(Molicoat)
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