Elga Hydrashear SB2504, SB2506, SB3005 and SB3006 - Operation & Maintenance Manual Elga Hydrashear SB2504, SB2506, SB3005 and SB3006 - Operation & Maintenance Manual with Electrical & Hydraulic Schematics. Manufacturers: Elga Models: SB2504 SB2506 SB3005 Contents: Operators Manual Parts Manual Electrical Diagrams Other