Page 1 OPERATING INSTRUCTIONS FOR FASTENER DRIVING TOOLS OPERATED BY COMPRESSED AIR Air Nailer (Coil Nailer) Model No.: MCN55 MCN55B IMPORTANT: Read all safety rules and operating Instructions carefully before first use it. Keep this Manual for future reference. WARNING! Even when the tool is used as prescribed it is not possible to eliminate all residual risk factors. The following hazards may arise in connection with the tool’s construction and design:...
Page 2 5.8 to 8 bar Activation mode contact actuation 1.1 Fastener Fastener size for MCN55B: Dia.2.5-2.7mm, Nail length: 25-55mm, Magazine capacity: 300-350pcs Fastener size for MCN55: Dia.2.1-2.3mm, Nail length: 25-55mm, Magazine capacity: 300-350pcs 1.2 Accessories  Hexagon Key, Goggles, Lubricant, Operating instruction 1.3 Description/Features Features and Benefits: MCN55B Air coil nailer have light weight, rugged magazine and drives 300-350 nails continuously by full-loading, multi-directional exhaust, comfortable rubber grip, equipped with dust cover and body protector.
Page 3 repairs shall be carried out only by the manufacturers authorized agents or by other experts, having due regard to the information given in the operating instructions. stands for mounting the fastener driving tools to a support, for example to a work table, shall be designed and constructed by the stand manufacturer in such a way that the fastener driving tools can be safely fixed for the intended use, thus for example avoiding damage, distortion, displacement.
Page 4 caused to the head or to the body in the event of possible recoil consequent upon a disruption in the energy supply or hard areas within the workplace.（see fig 2） Fig 3 Never actuate the fastener driving tool into free space. This will avoid any hazard caused by free flying fasteners and excessive strain of the tool.
Page 5 3. Compressed air system WARNING Never free-fire the tool at high pressure. Proper functioning of the fastener driving tool requires filtered, dry and lubricated compressed air in adequate quantities. If the air pressure in the line system exceeds the maximum allowable of the fastener driving tool, a pressure reducing valve followed by a downstream safety valve shall additionally be fitted in the supply line to the tool.
Page 6 parts of the fastener driving tool are not in the starting position following maintenance and repair work or transportation. Connect the fastener driving tool to the compressed air supply using suitable pressure hose equipped with quick-action connectors. Check for proper functioning by applying the muzzle of the fastener driving tool to a piece of wood or wooden material and actuating the trigger once or twice.
Page 7 6. Troubleshooting (See Table 1) SYMPTOM PROBLEM SOLUTIONS Air leak near top of tool or 1.O-ring in trigger valve are damage. 1.Check and replace O-ring. in trigger area 2.Trigger valve head are damage. 2.Check and replace. 3.Trigger valve stem ,seal or O-ring are 3.Check and replace trigger valve stem, damaged.

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