Galvanized Box Fans - Belt Drive

Instruction manual for belt-driven galvanized box exhaust fans. Includes safety warnings, specifications, performance data, installation instructions, maintenance guidelines, troubleshooting guide, and detailed repair parts illustration. Models with "S" suffix include discharge shutters. Models: 36X550, 36X550S, 48X750, 48X750S, 48X750T, 48X750TS