Service manual

GV 30…, GV 50… Drive Mechanism
GRUNDIG Service 5 - 25
k
20100 Reel
20110
Shaft
Apply grease
(75988 061 7800)
to the pipe
Apply grease
(75988 061 7800)
20120
20130
20600 Gear, reel s
40200
Brake band
Fig. 8.20
8.8 Pulley with Friction Clutch (20500) and Clutch Gear (2030A)
– Detach the reel belt (20800), remove the retaining washer
(Pos. 20510) and remove the pulley together with the friction clutch
(20500, Fig. 8.21).
– Remove the clutch spring (20400), remove the retaining washer
(Pos. 20310) and the clutch gear (2030A, Fig. 8.21).
Notes on lubricating the pulley shaft and clutch gear (2030A)
– Always use the types of grease with part numbers 75988 061 7700,
75988 061 7800 for lubricating the pulley shaft and the clutch gear
(2030A) and follow the lubrication instructions given in Fig. 8.21!
20800
20510 Retaining washer
2030B
Pulley friction
clutch 20500
20400
1010D
Shaft
20310
2030A
Gear clutch
1010B
Lever, clutch
,
31200
Apply grease
(75988 061 7800)
Apply oil
(75988 061 7700)
to each position
Clamps
Fig. 8.21
8.9 Brake Actuating Lever (31100), Brake Control Lever (31000)
– Remove the driving system of the cassette mechanism and crescent
slide (see point 8.3).
– Remove the reel belt (20800, Fig. 8.21).
– Disengage clamp J, then clamp K and remove the brake control
lever (31000, Fig. 8.22).
– Detach the brake return spring (31300) and the clutch change lever
spring (31200, Fig. 8.22).
– Disengage clamp L, then clamp M and remove the brake actuating
lever (31100, Fig. 8.22).
Notes on lubricating the brake actuating lever (Pos. 31100)
– Always use grease with part number 75988 061 7800 for lubricating
the brake actuating lever (31100) and follow the lubrication instruc-
tions given in Fig. 8.22!
31300
31000
Brake control lever
31200
J
L
K
Apply grease
(75988 061 7800)
Apply grease
(75988 061 7800)
M
Shaft
31100 Brake
actuating lever
Fig. 8.22
8.10 Crescent Slide (60600)
– Remove the driving system of the cassette mechanism and crescent
slide (see point 8.3).
– Remove the reel belt (20800, Fig. 8.21).
– Detach the brake return spring (31300, Fig. 8.22).
– Undo screw (60710) and remove the crescent slide mounting
(Pos. 60700, Fig. 8.23).
– Disengage the clamp N and remove the crescent slide (60600, Fig.
8.23).
Note: Before reassembling the crescent slide (60600) the
threading roller units (5050A and 5060A) are to be
positioned so that they are in Eject mode (Fig. 8.23).
When fitting it, lift the right side of the crescent slide
(60600) slightly, insert the left side into the clamp N
first, and align the hole O with the pin P of the tension
arm (40400).
Notes on lubricating the crescent slide (60600)
– For lubricating the crescent slide (60600) use exclusively the lubri-
cant 75988 061 7800 for the lubricating points a, b, c, d in Fig.
8.23 and a in Fig. 8.24. For the lubricating point e in Fig. 8.24 use
the lubricant 75988 061 8000.