BEKA-MAK (might be branded "Excel" ) Horizontal Bandsawing Machines Models MSMO 280, BSMO 300 and BMSO 320L. Instruction and Parts Manual with Electrical Schematics. BEKA-MAK (might be branded "Excel) Horizontal Bandsawing Machines Models BSMO 280, BSMO 300 and BMSO 320L. Instruction and Parts Manual with Electrical Schematics. Manufacturers: BEKA-MAK Excel Models: BSMO 280 BSMO-280 BSMO 320 BSMO-320 BSMO 320L BSMO-320L Contents: Operators Manual Parts Manual Electrical Diagrams