DANGER BEFORE OPERATING, MAKE SURE: EXHAUST ELBOW IS ATTACHED. EXHAUST IS DISCHARGING INTO ENCLOSED CONTAINER. HOSE IS ATTACHED. ALL GUARDS ARE ATTACHED. WARNING OPERATING INSTRUCTION IS OBTAINED. EXPLOSIVE FUEL STOP ENGINE AND ALLOW T O COOL BEFORE REFUELING. INSPECT MACHINE BEFORE EACH USE AND REPLACE ANY WORN AND DAMAGED PARTS.