Glide Sportster Servicar

trumpet horn - 1964 and earlier duo-glide and sportster

If the horn does not blow satisfactorily, the trouble may be caused by a constricted diaphragm, loose terminal wires, or a discharged battery. Before attempting to correct horn performance by moving the adjusting screw, it is recommended procedure to trouble shoot as follows: (Fig. 5K-1 and 5K-2).

1. Check the battery for adequate current. Examine the horn trumpet (10 or 11, depending on model being worked on) and power pack (6) for misalignment with each other causing constriction of power pack diaphragm. To correct horn misalignment, loosen horn power pack support bracket (16) or (17)

and horn support bracket nut (7), and correctly align (10 or 11) and (6) with each other. Be sure the horn trumpet does not contact any part of the engine. If horn trumpet and power pack cannot be realigned, check the power pack support bracket (16) or (17) for bent condition.

2. Check to make sure horn power pack has not been tightened more than 2 to 2-1/2 turns on trumpet stem. If tightened further, trumpet stem end will obstruct operation of pack diaphragm.

3. Inspect horn wiring for damage or loose connections at the terminal points. Loose or damaged horn wires will result in inadequate voltage at the

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1. Horn trumpet nut

2. Horn cover screw

3. Horn cover

4. Horn wire terminals (2)

5. Horn power pack bracket mounting bolt (2)

6. Horn power pack

7. Horn trumpet mounting nut

8. Horn trumpet lock washer 13. Horn trumpet plain washer

8. Horn trumpet mounting rubber washer

10. Horn trumpet

11. Horn trumpet mounting rubber washer

12. Horn trumpet mounting rubber bushing

14. Horn trumpet mounting bolt

15. Circuit breaker control coil clamp and horn bracket

16. Horn power pack support bracket

17. Horn adjusting screw and nut

18. Horn trumpet screen

Figure following name of part indicates quantity necessary for one complete assembly.

1. Horn trumpet nut

2. Horn cover screw

3. Horn cover

4. Horn wire terminals (2)

5. Bracket mounting bolt, washers and nut (2 each)

6. Horn power pack

7. Horn trumpet mounting nut

8. Horn trumpet lock washer 13.

9. Horn trumpet plain washer

10. Horn trumpet mounting 14.

rubber washer 15.

11. Horn trumpet 16.

12. Horn trumpet mounting 17.

rubber washer 18.

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