3Table Of ContentsCONTENTS PAGEI. PreparationA. Safety Precautions 4-6B. Assembly 7C. GC55 and GC25E Series Concrete Saw Specifications 8-9D. Engine GC55 Models 10E. Electrical Connections GC25E 11-12Wiring Diagram GC25E 12II. OperationA. Installing The Blade 12-13B. Starting The Engine GC55 13C. Operating The Saw 13-15D. Cutting Technique 15E. Green Concrete Cutting 15-18III. MaintenanceA. Engine 18B. Bearings 19C. V-Belts 19-20D. Depth Control 21E. Dust Removal System Adjustment 22IV. Parts List SectionA. Ordering Information 23B. Parts Drawing / Service Parts List 24-38Blade Guard Assembly GC55 and GC25E 24Cutting Head Assembly GC55 and GC25E 25Blade Shaft Assembly GC55 and GC25E 26Depth Control Assembly GC55 and GC25E 27Engine Assembly GC55 Only 28Motor Assembly GC25E Only 29Frame Assembly GC55 Only 30Frame Assembly GC25E Only 31Front Pointer Assembly GC55 and GC25E 32Main Assembly GC55 Only 33-35Main Assembly GC25E 36-38Read Owners Manual Before UseSafety Alert Symbol: Information Following This Symbol IsVery Important.Use Only Norton Diamond Blades