Service manual

GV 30…, GV 50… Drive Mechanism
GRUNDIG Service 5 - 23
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8.3 Driving System of Cassette Mechanism and Crescent Slide
– Disengage the clamp D and pull off the lock gear (60800) of the
cassette mechanism, gear wheel 2 (60400) and gear wheel 1
(60300, Fig. 8.11).
– Remove the retaining washer (60510) and the main cam (60500,
Fig. 8.11).
– Disengage the clamp E and pull off the pinch roller relay gear
(70600, Fig. 8.11).
Note: When reassembling position the gear wheels (60300,
60400, 60500, 60800, 70600 and 70300) and slides (60600
and 0600) as they are in Eject mode (Fig. 8.1, Fig. 8.2 and
Fig. 8.11).
D
E
E
D
D
60800
Gear, lock
60400
Gear wheel 2
60510
60500 Cam, main
60300
Gear wheel 1
70600 Relay gear, pinch roller
Apply grease
(75988 061 7800)
to the shaped areas
70300 Cam gear, pinch roller
Fig. 8.11
Apply grease (75988 061 7800)
Apply grease (75988 061 7900)
a
b
b
b
a
a
a
a
Fig. 8.12
Notes on lubricating the driving system of the cassette mecha-
nism and crescent slide
– Always use the types of grease with part numbers 75988 061 7800
and 75988 061 7900 for lubricating the driving system of the cassette
mechanism and the crescent slide and follow the lubrication instruc-
tions given in Fig. 8.11 and Fig. 8.12!
8.4 Loading Motor (60100)
– Lever off the loading motor (60100) at the front with a slotted
screwdriver and take it out from the clamps together with the worm
wheel (60200, Fig. 8.13).
– For assembly please note Fig. 8.14.
60100 Loading motor
Slotted screwdriver
Fig. 8.13
60100 Loading motor
60200
Worm gear
61100 Damper
Apply grease
(75988 061 7900)
Apply grease
(75988 061 7800)
Fig. 8.14
8.5 Brake band (40200) and brake lever (40100)
– Dismantle the cassette mechanism (see point 8.1).
– Position the mechanism to Play mode (see point 5).
– Undo the screw (20120) and remove the mounting clip of the brake
band (20130, Fig. 8.15).
– Disengage the clamp F and remove the brake band (40200,
Fig. 8.15). Then adjust the other end of the brake band (40200) to the
protrusion of the lever as shown in Fig. A and take it off (Fig. 8.15).
– Unhook the spring (40300).
– Disengage the hook Y on the bottom of the cassette mechanism
and pull the brake lever out of the guide bushing.
Assembly:
– Grease the guide bushing as shown in Fig. 8.15 (75988 061 7800)
and engage the tape tension lever between the threading carriage
and the end stop Z into the guide bushing. Hook in the spring
(40300) as shown in Fig. B.
– The ends of the brake band must be positioned as shown in Fig. C
(Fig. 8.15).
Fig. A
Fig. C
Fig. B
30400 Soft slide
20120
20130
40300
Y
40100 Lever
F
Apply grease
(75988 061 7800)
to hole
Z
20100
Reel
40200 Brake band
5050A
Threading roller
unit s

Fig. 8.15