Contact the company that supplied you with the swing arm.Known suppliers are:
Trumpf Name: Alasdair Owen Telephone number: 01582 399 201
Brandon Name: Mandy Pearson Telephone number: 0113 272 8844
Draeger Name: Doug Sims Telephone number: 01442 292 868
Martin Name: Dr Ingo Haas Telephone number: 00 49 7463 838 185
Merivaara Name: Esko Hyvarinen Telephone number: 00 358 333 94 6186Note: this is not an exhaustive list of suppliers.