RINGFEDER. Automatic Trailer Couplings for connecting to 40 mm drawbar eyes according to DIN Type 604/ 605/ 6041/ 6051/ 6061.

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1 RINGFEDER DE Prospekt Prospect Automatic Trailer Couplings for connecting to 40 mm drawbar eyes according to DIN Type 604/ 605/ 6041/ 6051/ 6061 Type 6051

2 Automatic Trailer Couplings Type 604, Type 605, Type 6041, Type 6051, Type 6061 for 40 mm drawbar eyes according to DIN (41) , 4, 6 only applicable to types 604, 605 7

3 Parts List for replacement and maintenance Item Order No. Description Type safety catch assembly, cpl. 604, 605, 6041,6051, guide bush 604, guide bush 6041, 6051, plastic wearing plate, cpl. 604, a handle 604, 605, 6041, 6051, b handle, right 604, locking lever 604, 605, 6041,6051, coupling pin, cpl. 604, 605, 6041,6051, a return spring, left 604, 605, 6041,6051, b return spring, right 604, cover, complete 604, cover, complete 6041, 6051, hexagonal screw M 8 x 65, cpl. 604, 605, 6041,6051, rubber spring (2 pcs.) rubber spring (2 pcs.) rubber spring (2 pcs.) 6041,6051, thrust washer thrust washer thrust washer 6041, bar guide, complete bar guide, complete 605 Item Order No. Description Type bar guide, complete bar guide, complete bar guide, complete 6061 a (on request) bearing bush (2 pcs.) bearing bush (2 pcs.) bearing bush (2 pcs.) 6041, 6051, (cupped) tension washer tension washer tension washer 6041, 6051, spring washer B 30, DIN spring washer B 36, DIN spring washer B 45, DIN , 6051, castellated nut M 30, complete castellated nut M 36 x 3, complete castellated nut M 45 x 3, complete 6041, 6051, cotter pin 6.3 x 50, DIN 94, St, A3C cotter pin 6.3 x 63, DIN 94, St, A3C cotter pin 8 x 80, DIN 94, St, A3C 6041, 6051, protecting cap protecting cap 6041, 6051, 6061 Installation Instructions Fitting: Remove castellated nut (42). Pull off spring washer (41), tension washer (40), rubber spring (36) and bar guide (38) (including the support plate (47)) from the drawbar (1). Caution: The support plate (47) is not included in all coupling types. The assembly sequence for coupling types without support plate is the same, except the support plate does not apply. Remove support plate (47) from the bar guide (38). Fit bar guide (38) contrary to the driving direction to the inner face of the rear cross member. Fit support plate (47) in driving direction to the outer face of the cross member and onto the bar guide shank. Tighten the bar guide (38) (including support plate) together with the cross member using 4 fastening bolts quality 8.8 and 4 hexagonal nuts quality 8. On the cross member washers DIN 125, hardness HV have to be added. Fit coupling head assembly including the front rubber Bolt length: bolt shank + washer thickness + nut length + at least 2 threads projection spring (36) and thrust washer (37) to the bar guide (38). If required, regrease drawbar (1). Fit the rear rubber spring (36), tension washer (40) and spring washer (41). Screw on and tighten the castellated nut (42) and secure using a cotter pin. To reach the next hole position for the cotter pin even higher tightening torques may be required. Min. Tightening Torques Fit protective plastic cap (44). Straighten the coupling. For a retro-fit please refer to the relevant statutory regulations. Fitting of this coupling may only be effected on those vehicles which due to their construction prevent the trailer from running up in case the drawbar eye misses the coupling mouth, and the rear end design of which does not allow a horizontal articulation of the trailer tow bar exceeding 80. On this assumption the trailer coupling types are approved for: a) motor vehicles according to DIN 74051, footnote 3, e.g. motor vehicles type UNIMOG from Daimler Benz AG, b) towing vehicles according to StVZO 43, paragraph 4, fig. 2, c) multiple axle trailers. Operation: Wrench Size M Nm = 46 mm M 36 x Nm = 55 mm M 45 x Nm = 70 mm Pull out and hold the button-type safety device (4), move handle (15) upwards until the coupling bolt locks into place. Insert the towing eye. While the coupling bolt (23) is being lifted the catch is released and the coupling bolt slides into position. Simultaneously the button-type safety device (4) is released that is to say the safety bar locates over the coupling bolt and thus locking it automatically. The towing eye is now engaged. Check that after each coupling process the button-type safety device (4) is fully engaged so that the securing knob is in its internal engaged position. If this is not the case the trailer coupling is unsecured and the whole coupling procedure must be repeated. To uncouple and open the trailer coupling proceed as described. The towing eye is extended by moving forward the towing vehicle. Due to the extension of the towing eye the coupling mechanism is again released and thus the coupling repeatedly closed and secured. Maintenance: The coupling bolt and towing eye will be subject to less wear and tear if they are always kept clean and well lubricated. Should the wear limit of 36.5 mm of the coupling bolt in the bulged area (outside diameter) be reached the coupling bolt has to be replaced by a new one. Fig. 1 The handle can be fitted on the right or left-hand side if only the return spring is chosen correspondingly (please refer to fig. 1 and fig. 2). e 1 x e 2 d 2 Thread Torque Moment Wrench Type (mm) (mm) (Standard Thread) Size (mm) 83 x 56 ø 10,5 M Nm 17(16) x 55 ø15 M Nm x 80 ø17 M Nm x 100 ø21 M Nm Fig. 2

4 Type 604 Type 605 Type 6041/ Type 6051 Type 6061

5 Technical drawing: Type 605 Flange Design d 2 e 2 g l 3 l 2 l 1 e 1 f c d 1 t Technical Data: Order- Type Gen. Type D- Admiss. Admiss. Trailer Weight No. Approval Value StaticSup- Load for Rigid c d 1 d 2 e 1 x e 2 f g l 1 l 2 l 3 t porting Drawbar Trailers kn Load kg kg kg F , ø54 ø11 83 x , F , ø74 ø x F ø84 ø x , F ø94 ø x F A certified company in accordance with DIN EN ISO 9001 and VDA 6.1 RINGFEDER VBG GMBH Oberschlesienstr. 15 D Krefeld P.O. Box Krefeld Phone +49 (0) Fax +49 (0) / zentrale@ringfeder.de