Maintenance And Inspection Of The Drive Mechanism; Names Of The Main Mechanical Parts - Grundig GMI4000 Serviceanleitung

GV 30..., GV 50...

3. Maintenance and Inspection of the Drive Mechanism

To obtain full function and performance from the video recorder and to avoid it getting excessively dirty, we recommend that the maintenance work
and checks listed in the table below be carried out at regular intervals.
The maintenance checks should also be carried out without fail when carrying out any repairs.
Part maintained
Tape guide
R/P head
Tape path
Tape drum cpl.
system
Head cleaner
Pinch lever
Reel
Reel belt
Drive
Relay gear, pully shaft,
system
gear shaft
Loading motor
Back tension
Brake system
Performan-
ce checks
Torque FWD, REW, PLAY, REV
(R-SEARCH)

4. Names of the Main Mechanical Parts

4.1 Cassette Mechanism
Cassette guide, left
Spring, tray
Fig. 4.1
GRUNDIG Service
Hours of use
500 1000 1500
_ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _
_ _ _ _
(a) (a)
a
_ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ > > > >
a a a
> > > >
a
a
a
a
Hood, sensor
1200
Stand, left
0100
040B
Spring, plate 040D
Tray 040A
Cassette guide,
1000
Drive lever,
left
Spring,
tray 1000
Shaft,
drive
Frame bottom
0300
2000 2500 3000 3500 4000 4500
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
(a) (a) (a) (a) (a) (a)
a a a
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ > > > > _ _ _ _ > > > > _ _ _ _ > > > >
a a a a a a
> > > > > > > > > > > >
a a a
a a a
a a a
a a a
Lever, lid
opener
040E
right 040C
Drive lever, right
Lever, door opener
0500
Drive Mechanism
_ _ _ _ _ Clean a Check
Remarks
5000
_ _ _ _
_ _ _ _
The life of parts varies enormously
_ _ _ _
depending on the environment in
(a)
which the part is used
a
_ _ _ _
_ _ _ _ > > > >
a
> > > >
a
Playback tension torque:
a
30 to 50g/cm
a
FWD: 650g/cm
REW: 650g/cm
a
PLAY (SP mode): 60 to 110g/cm
REV (R-SEARCH): 115 to 180g/cm
Spring, lid opener
040F
Stand, right
0200
Slide, cass. drive
0600
Spring
0700
> > > > > Oil
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