Heald 222A - 424A Bore-Matic Manual Heald 222A-224A, 322A-324A and 422A-424A Bore-Matic Models. Instruction Manual and Service Repair Parts Manual as Sectional Drawings. Manufacturers: Heald Models: 222A 223A 224A 322A 323A 324A 422A 423A 424A Bore-Matic Contents: Operators Manual Maintenance Manual Parts Manual