14Heavy-Duty Use - Plastic, Nylon, orMetal Blades:Install U-Handle / Blade Conversion Kit, P/N99944200561 - Includes metal shield (A), shoulderharness with hip pad (B), and U-Handles (D).PRE - OPERATIONOPERATION WITH BLADESPreparing the Trimmer/Brush Cutter for Blade UseWARNING DANGERBlade use DEMANDS specific Brush Cutter configuration. Operation without specified shield, handle, and harnesscan result in serious personal injury. Follow installation instructions included in optional kits.ADChoosing the Correct BladeWARNING DANGERThe type of Blade used MUST be matched to the type and size of material cut. An improper or dull blade can causeserious personal injury. Blades MUST be sharp. Dull blades increase the chance of kick out and injury to yourselfand bystanders.BCABLight-Duty Use - Plastic, Nylon, or MetalBlades:Install Balde Conversion Kit, P/N 99944200415 - Includesmetal shield (A), barrier bar (B), and shoulder harness (C).NOTEThe Barrier Bar is NOT A HANDLE and should not begripped when using or carrying the unit.NOTEThe Barrier Bar is used to restrict rearward movement of the unit. For heavy-duty or extended use, U-handles shouldbe used. See your Echo dealer or Trimmer/Brush Cutter Safety Manual for details regarding U-Handles. If you haveadditional questions, contact your Echo Service Dealer, or call Echo directly at 1-800-673-1558.