HT816r / HT818r / HT822r Electric Hedge Trimmer OPERATOR’S MANUAL FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADA www.ryobi.
INTRODUCTION TABLE OF CONTENTS THANK YOU I. Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. You will find it to be a great labor-saving device. This operator’s manual provides you with easy-tounderstand operating instructions. Read the whole manual and follow all the instructions to keep your new outdoor power tool in top operating condition. Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . 3-6 A.
RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures. DANGER: SYMBOL MEANING Failure to obey a safety warning can result in injury to yourself and others.
RULES FOR SAFE OPERATION • To reduce the risk of electrical shock, this unit has a polarized plug (one blade is wider than the other) and will require the use of a polarized extension cord. This unit plug will fit into a polarized extension cord only one way. If the plug does not fit fully into the extension cord, reverse the plug. If the plug still does not fit, obtain a correct polarized extension cord. A polarized extension cord will require the use of a polarized wall outlet.
RULES FOR SAFE OPERATION • Check for damaged parts. Before further use of the unit, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other condition that may effect the units operation.
RULES FOR SAFE OPERATION KNOW YOUR UNIT Lock-On Tab APPLICATION This unit is intended for household purpose only. Use the Hedge Trimmer for; • Trimming and the forming of hedges, shrubs, and bushes with a branch diameter of up to 3/8 inch.
OPERATING INSTRUCTIONS TO TURN YOUR HEDGE TRIMMER ON Lock-Off Button WARNING: Before connecting your hedge trimmer to power supply source, always check to be sure it is not in lock-on position (depress and release the switch trigger). Failure to do so could result in accidental starting of your trimmer resulting in possible serious injury. Also, do not lock the trigger on jobs where your trimmer may need to be stopped suddenly.
OPERATING INSTRUCTIONS USING THE HEDGE TRIMMER TO TRIM A HEDGE WARNING: If any parts are missing, damaged, or broken do not operate your trimmer until they have been replaced. Failure to do so could result in possible serious personal injury. WARNING: Clear the area to be cut before each use. Remove all objects such as cords, lights, wire, or string which can become entangled in the cutting blade.
MAINTENANCE AND REPAIR INSTRUCTIONS WARNING: When servicing, use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: To avoid serious personal injury, be sure the unit is off and unplugged before cleaning or performing any maintenance on it. 3. Clamp the blade assembly in a vise and file the exposed cutting surface of each blade tooth with an 8 inch fine round file, 1/4 in. or 7/32 in. diameter.
MAINTENANCE AND REPAIR INSTRUCTIONS BLADE REPLACEMENT WARNING: To avoid serious personal injury, be sure the unit is off and unplugged before cleaning or performing any maintenance on it. Blade Screws WARNING: When servicing, use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: To prevent serious personal injury, wear gloves when handling, removing or installing the cutting blades.
MAINTENANCE AND REPAIR INSTRUCTIONS Blade Cover Screw Fig. 12 Fig. 14 Fig. 13 8. Replace blade screws. Tighten screws securely. 9. Replace blade cover screw (Fig. 14). NOTE: Do not tighten blade cover screw until blade cover has been replaced. 10. Replace blade cover. Place rear tab inside housing, align front tabs with slots in housing, then slide blade cover back into its correct position (Fig. 15). 11. Tighten blade cover screw securely. Fig.
MAINTENANCE AND REPAIR INSTRUCTIONS WARNING: To avoid serious personal injury, be sure the unit is off and unplugged before cleaning or performing any maintenance on it. SERVICING OF DOUBLE INSULATED UNITS This unit is double-insulated. In a double-insulated unit, two systems of insulation are provided instead of grounding. No means of grounding are provided on a double-insulated unit, nor should a means for grounding be added to this unit.
REPLACEMENT PARTS 4 7 1 2 5 8 6 3 Item 1 1 1 2 3 4 5 6 7 8 Part No.
LIMITED TWO-YEAR WARRANTY RYOBI OUTDOOR PRODUCTS warrants each new RYOBI Product for two (2) years according to the following terms. This warranty extends to the original retail purchaser only and commences on the date of original retail purchase. Any part of the RYOBI Product manufactured or supplied by RYOBI and found in the reasonable judgement of RYOBI to be defective in material or workmanship will be repaired or replaced by an authorized RYOBI service dealer without charge for parts and labor.
