DANGER THIS TOOL FOR USE BY LICENSED OPERATORS ONLY. READ AND OBEY ALL SAFETY AND OPERATING INSTRUCTIONS BEFORE OPERATING TOOL.
DANGER SAFETY INTRODUCTION DANGER THIS TOOL IS TO BE USED ONLY BY PROPERLY TRAINED AND LICENSED OPERATORS. YOU MUST SUCCESSFULLY COMPLETE ITW RAMSET/RED HEAD’S TRAINING PROGRAM FOR THE TOOL AND OBTAIN A CERTIFIED OPERATOR’S LICENSE BEFORE HANDLING, LOADING OR OPERATING THIS TOOL. ATTEMPTING TO HANDLE OR OPERATE THIS TOOL WITHOUT PROPER TRAINING AND LICENSING CAN RESULT IN SERIOUS INJURY TO THE OPERATOR OR BYSTANDERS. Operator’s and bystanders must wear eye and hearing protection.
SAFETY INSTRUCTIONS DANGER Preparation Acceptable Base Materials Powder actuated fastening is suitable for use in the following base materials only: • Poured Concrete • Structural Stel • Masonry Joints ( see page 8) Never attempt to fasten into any other type of material. Fastening into other materials can cause blindness or other serious injury.
DANGER SAFETY INSTRUCTIONS Loads & Load Selection Safety 1. Always make a test fastening after being sure that the base material is suitable for powder actuated fastening. Failure to determine the correct power level to be used may result in the use of excessive power, allowing the fastener to pass completely through the work material, causing serious or fatal injuries to others who may be in the path of the fastener. 2.
DANGER SAFETY INSTRUCTIONS Tool Handling Safety 1. Always be sure tool is operating properly before attempting to use it. Follow the “Daily Function Check” shown to the right and described on page 9. 2. Always load tool using a power load selected directly from a box indicating the power load type and number. Never attempt to use loose loads that could be mis-identified. 3. Never carry loose loads in pockets with pins or other hard objects. 4.
DANGER SAFETY INSTRUCTIONS FAILURE TO FOLLOW INSTRUCTIONS CAN CAUSE INJURY TO THE TOOL OPERATOR OR TO BYSTANDERS. Fastener Driving Safety 1. Only use the tool for fastening into a suitable base material. 2. Never fire the tool without a fastener. Firing a tool without a fastener will cause the piston to strike the work surface, and may cause serious injury to you and others in the work area. USE SPALL GUARD WHENEVER POSSIBLE 3.
FASTENERS / LOADS Your Ramset Model 721 tool uses only the Ramset fasteners and loads shown below or listed for the tool in the Product Catalog . DANGER Never use any other types of fasteners or loads in the Model 721 tool. Use of other types of fasteners or loads may cause unintentional load discharge, damage the tool, cause poor fastening performance, or create a risk of serious injury to the operator or bystanders. FASTENERS .300 HEAD PLASTIC FLUTED DRIVE PINS .
FASTENING APPLICATIONS FASTENING APPLICATIONS Your Ramset tool can be used for a wide range of fastening needs in a variety of base materials. Reading and following these important fastening guidelines will help you get the best results from your tool, fasteners, and powder loads, as well as help you perform these fastening operations safely and effectively. 3" MIN. ➤ ➤ 3" MIN.
TOOL OPERATING INSTRUCTIONS TOOL OPERATION Daily Function Test Always check the tool first to make sure that it does not contain a load or fastener. Test the tool several times by depressing the muzzle bushing fully on a hard surface and pulling the trigger. You should hear an audible click as the firing pin releases. Let up on the tool and check to be sure that the barrel has opened to the semi-closed position. PERFORM FUNCTION TEST WITH EMPTY, UNLOADED TOOL OPERATING THE MODEL 721 1.
TOOL OPERATING INSTRUCTIONS 4. Slide the barrel back to the semiclosed position. Never attempt to close the tool by exerting force on the front end of the barrel. Never place your hand, fingers or any other body part over the fastener loading end of the tool. 5. Hold the tool perpendicular (90°) to the work surface with both hands and press firmly to fully depress the tool. Maintain firm downward pressure on the tool with both hands and pull the trigger to drive the fastener.
TROUBLESHOOTING REFER TO PARTS SCHEMATIC FOR PROPER ASSEMBLY OF PARTS - Overdriving of fasteners - Excessive power - Soft base material - Tool fails to fire - Tool does not completely depress - Reduction or loss of power - Failure to depress completely - Excessive dirt buildup on breech face not allowing proper penetration of firing pin - Firing pin and/or breech damaged - Misassembled or damaged parts - - Fired load will not extract - - Piston stuck in down position - - Barrel opens too easily Bar
PARTS SCHEMATIC PARTS SCHEMATIC 12
PARTS LISTING / MAINTENANCE MODEL 721 TOOL PARTS LIST KEY PART NO.
DISASSEMBLY TOOL DISASSEMBLY 1. Remove the screw and lockwasher from the stop pin cover using the 5/32” hex wrench provided with the tool. REMOVE STOP PIN COVER, SCREW & LOCKWASHER 2. Remove the stop pin cover by lifting it up and out of the tool housing. REMOVE STOP PIN COVER 3. Remove the stop pin spring. REMOVE STOP PIN SPRING 4. Remove the stop pin. REMOVE THE STOP PIN 5. Slide the barrel assembly out of the tool housing.
DISASSEMBLY 6. Unscrew the breech plug from the rear of the barrel using a 1” wrench. Protect the barrel from damage if a vise is used to hold the barrel during the disassembly. 7. Slide the piston out of the barrel assembly. If necessary,tap the breech plug end of the barrel on a wood block to free the piston. UNSCREW THE BREECH PLUG FROM THE BARREL 8. Inspect all parts for wear or damage and clean or replace as required. Use detergent oil and cleaning brush. Wipe parts dry before reassembly.
WARRANTY ALL WARRANTIES OF THE PRODUCTS DESCRIBED HEREIN, EXPRESSED OR IMPLIED, INCLUDING THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSES, ARE SPECIFICALLY EXCLUDED, EXCEPT FOR THE FOLLOWING: Ramset will repair or replace, at its sole option, any tool, part, or fastener which, within 90 days after sale by Ramset, is found by Ramset to be defective in material or workmanship, normal wear and tear excluded.
