TM 10-3930-669-34 e. Installation. WARNING • Carriage  assembly  weighs  802  lbs  (364  kg).    With  the  aid  of  an  assistant,  attach  lifting device prior to installation to prevent possible injury to personnel. • All personnel must stand clear during lifting operations.  A swinging or shifting load may cause injury or death to personnel. (1) With the aid of an assistant, use lifting device to install carriage (5) on mast assembly (6). 13-31