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Makita AN451 Instruction Manual

Pneumatic roofing coil nailer.
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Air pressure
8.5 kgf/cm2G
120 PSIG)
Pneumatic Roofing Coil Nailer
IL x H
x W )
245 mm x 265 mm x 114 mm
Nail length
Nail capacity
Min. hose diameter
Net weight
2.3 kg 15.1 Ibs)
6.0 mm 1114")
(9-5/8" x 10-318"
22 mm
4 5 mm


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   Summary of Contents for Makita AN451

  • Page 1

    Pneumatic Roofing Coil Nailer MODEL AN451 INSTRUCTION MANUAL Dimensions Air pressure Nail length Nail capacity Min. hose diameter Net weight IL x H x W ) 8.5 kgf/cm2G 22 mm 4 5 mm 245 mm x 265 mm x 114 mm 6.0 mm 1114")

  • Page 2

    IMPORTANT SAFETY INSTRUCTIONS WARNING: WHEN USING THIS TOOL, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED INJURY, INCLUDING THE FOLLOWING: READ ALL INSTRUCTIONS. For personal safety and proper operation and main- tenance of the tool, read this instruction manual tool. carefully before using the Wear light but not loose clothing.

  • Page 3

    General Tool Handling Guidelines: 1. Always assume that the tool contains fasteners. not point the tool toward yourself or anyone whether it contains fasteners or not. Never depress the operating control unless the nosepiece of the tool is directed toward the workpiece.

  • Page 4

    There may be local regulations concerning noise which must be complied with by keeping noise levels within prescribed limits. In certain cases, shutters should be used t o contain noise. not tamper with the tool or attempt t o use other than nailing.

  • Page 5

    Always check the tool for its overall condition and loose screws before operation. Tighten Make sure all safety systems are in working order before operation. The tool must not operate if only the trigger is pulled or if only the contact element is pressed against the wood.

  • Page 6

    Use only nails specified in this manual. The use of any other nails may cause malfunction of the tool. Do not permit those uninstructed to use the tool. Make sure no one is nearby before nailing. Never attempt t o nail from both the inside and outside at the same time.

  • Page 7

    On rooftops and other high locations, nail as you move forward. It is easy t o lose your footing nail while inching backward. When nailing against perpendicular surface, nail from the top to the bottom. You can perform nailing operations with less fatigue by doing so.

  • Page 8

    When the air hose is connected, do not carry the tool with your finger on the trigger or hand it t o someone in this condition. Accidental firing can be extremely dangerous. Handle the tool carefully as there is high pressure inside the tool that can be dangerous if a crack is caused by rough handling (dropping or striking).

  • Page 9

    Keep the tool in tip-top condition. Lubricate moving parts to prevent rusting and minimize friction related wear. Wipe off the parts. Ask Makita's Factory Authorized service center for periodical inspection of the tool. SAVE THESE INSTRUCTIONS. dust from...

  • Page 10

    TOOL INSTALLATION INSTRUCTIONS AND USE Lubrication To insure maximum performance, install an air set (oiler, regulator, air filter) as close as possible t o the tool. Adjust the oiler so that one drop of provided for every 30 nails. When an air not used, oil the tool with pneuma- set is t i c tool oil by placing 2 (two) or...

  • Page 11

    Place the nail coil over the coil support plate. Uncoil enough nails to reach the feed claw. Place the first nail in the driver channel and the second nail in the feed claw. Place other uncoilded nails on feeder body. Close checking to magazine after...

  • Page 12

    Selecting compressor The air compressor must comply with the require- ments of ANSI B19.3-1981. Select a compressor that has ample pressure and air assure cost-efficient operation. The graph output to shows the relation between nailing frequency, appli- cable pressure and compressor air output. Thus, for ex- ample, if nailing takes place a t a rate of approximately 30 times per minute a t (85 PSIG), a compressor with an air output over...

  • Page 13

    Operation 1 ) To drive nail, you may place the contact element against the workpiece and pull the trigger, or 2) Pull the first and trigger then place element against the workpiece. No. 1 method is for intermittent nailing, when you wish to drive a nail carefully and very accurately.

  • Page 14

    Avoid storing nails in place exposed to direct sunlight. , _ . :'.a very humid or hot place or...

  • Page 15

    MAINTENANCE CAUTION : Always be sure that the air hose is disconnected from the tool before attempting to perform inspection or maintenance. Cleaning and removal tar and dirt Adhesion of tar and dirt to areas around the contact element will prevent smooth movement of the contact element (safety mechanism), causing accidental discharge.

  • Page 16

    Maintenance of nailer Always check the loose screws before operation. Tighten Make sure all safety mechanisms are in working order before operation. The tool must not operate if only the trigger is pulled or if only the contact element i s pressed against the wood.

  • Page 17

    To maintain product SAFETY and RELIABILITY, maintenance and repairs should be per- formed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. \ - A i r Pneumatic oil 60°C,...

  • Page 18


  • Page 19

    MAKITA LIMED ONE YEAR WARRANTY Warranty Policy Every Makita tool is thoroughly inspected and tested before leaving the factory. It be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this o n e - y a period, return the COMPLETE tool, freight prepaid, to one of Makita’s Factory o r Authorized...

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