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AMERICAS

Alcoa Fastening Systems & Rings

Aerospace Fasteners Division

3724 East Columbia

Tucson, AZ 85714

800-234-4825

520-747-9898

FAX: 520-748-2142

Alcoa Fastening Systems & Rings

Aerospace Fasteners Division

PO Box 5268

900 Watson Center Rd.

Carson, CA 90749

800-421-1459

310-830-8200

FAX: 310-830-1436

Alcoa Fastening Systems & Rings

Industrial Fasteners Division

PO Box 8117

8001 Imperial Drive

Waco, TX 76714-8117

800-388-4825

254-776-2000

FAX: 254-751-5259

Alcoa Fastening Systems & Rings

Fasteners Division

1 Corporate Drive

Kingston, NY 12401

800-278-4825

845-331-7300

FAX: 845-334-7333

 

Alcoa Fastening Systems & Rings

Industrial Products

Latin America Operations

Avenida Parque Lira. 79-402

Tacubaya Mexico, D.F.

C.P. 11850

FAX: 525-515-1776

TELEX: 1173530 LUKSME

EUROPE

Alcoa Fastening Systems & Rings

Industrial Products

United Kingdom Operations

Unit C, Stafford Park 7

Telford, Shropshire

England TF3 3BQ

01952-290011

FAX: 0952-290459

Alcoa Fastening Systems & Rings

Aerospace Products

France Operations

Clos D’Asseville

BP4

95450 Us Par Vigny

France

33-1-30-27-9500

FAX: 33-1-34-66-0600

FAR EAST

Alcoa Fastening Systems & Rings

Industrial Products

Australia Operations

14 Viewtech Place

Rowville, Victoria 

Australia  3178

03-764-5500

Toll Free: 008-335-030

FAX: 03-764-5510

About Alcoa Fastening Systems & Rings

a business unit of Alcoa, is a leading worldwide 

designer and manufacturer of fastening 

systems and rings, including specialty fasteners, 

fluid fittings, assembly components, installation 

systems, and seamless rings for aerospace 

and industrial applications. Headquartered in 

Torrance, California, the company has over 

8,300 employees at 39 manufacturing and 

distribution/logistics locations in 13 countries. 

For more information, visit 

afsr.alcoa.com

For The Long Haul, The Future of Fastening 

Technology, The Future of Assembly Technology, 

The Future of Tooling Technology, and Tools 

of Productivity are service marks of Huck 

International. Huck provides technical assistance 

regarding the use and application of Huck fasten

-

ers and tooling.
NOTICE: The information contained in this 

publication is only for general guidance with 

regard to properties of the products shown 

and/or the means for selecting such products, 

and is not intended to create any warranty, 

express, implied, or statutory; all warranties 

are contained only in Huck’s written quotations, 

acknowledgments, and/or purchase orders. It 

is recommended that the user secure specific, 

up-to-date data and information regarding each 

application and/or use of such products.

HWB898    

1003-5M

© 2015 Alcoa Fastening Systems & Rings
1 Corporate Drive, Kingston, NY 12401  • Tel: 800-431-3091 • Fax: 845-334-7333 •  www.alcoafasteningsystems.com

Alcoa Fastening Systems & Rings world-wide locations:

For the Long Haul

®

Summary of Contents for Huck 256 Series

Page 1: ...Instruction Manual 256 series Pneudraulic Installation Tools All Models May 21 2015 HK1015 Makers of Huck Marson Recoil Brand Fasteners Tools Accessories...

Page 2: ...2 256 Pneudraulic Installation Tool HK1015 Alcoa Fastening Systems Rings...

Page 3: ...gs 3 EU Declaration of Conformity 2 Safety 4 Principle of Operation 5 Preparation for Use 6 Maintenance 6 Specifications 7 Operating Instructions 7 Disassembly 8 9 Assembly 10 Fill and Bleed 11 Assemb...

Page 4: ...id unsuitable postures as it is likely for these not to allow counter acting of normal or unexpected tool movement 8 If the assembly power tool is fixed to a suspension device make sure that fixation...

Page 5: ...es the Pull Piston back 6 The attached nose assembly moves with the Pull Piston to start fastener installation When fastener installation is completed the Trigger is released 7 Air pressure with the a...

Page 6: ...necting parts for damage or oil air leaks tighten or replace if necessary The Model 256 Installation Tool is shipped with a plastic plug in the air inlet connector The connector has 1 4 18 female pipe...

Page 7: ...stallation cycle Blind Fastener Installation Remove excess gap from between the sheets to permit correct fastener installation Fastener may be placed in work hole or in end of nose assembly See WARNIN...

Page 8: ...presentative If Relief Valve Seat Fig 10 is damaged it can be removed by using the procedure described in step 10 NOTE If seats are removed they may not be reused they must be replaced 10 Relief Valve...

Page 9: ...rod assembly from handle and cylinder assembly Fig 3 4 24 With a 1 3 8 socket and extension remove Gland Assembly Handle and cylinder will now separate Fig 3 25 To remove Polyseal from Gland Assembly...

Page 10: ...nder Push Throttle Valve with O rings in place into cylinder 9 Fig 10 Assemble Trigger Cable and Cable Pin and slide Cable into Handle Align hole in Trigger with hole in Handle and install Trigger Pin...

Page 11: ...ir bubbles no longer appear in bottle remove Fill Bottle and replace the Reservoir Fill Plug while tool is lying on its side STEP 8 Install the Check Valve Ball Guide and Spring Replace the Check Valv...

Page 12: ...12 256 Pneudraulic Installation Tool HK1015 Alcoa Fastening Systems Rings B A C D E 112502 Return Gland Assembly 113532 Pull Gland Assembly Figure 10 H e a d H a n d l e C o m p o n e n t s...

Page 13: ...Tool HK1015 Alcoa Fastening Systems Rings 13 F includes 507953 Throttle Arm Screw and 127028 Bushing 127326 Gland Assembly note orientation 118866 Intensifier Piston Assembly Figure 11 A i r C y l i...

Page 14: ...et b Check for loose Retaining Nut c Check for piston drift 4 Tool has piston drift a Loose collet crashing into the front of the anvil causes the relief valve to open allowing the piston to drift Tig...

Page 15: ...oling other items nonstandard or custom products described above and Huck shall inspect prod ucts for which such claim is made Tooling Part s and Other Items not manufactured by Huck HUCK MAKES NO WAR...

Page 16: ...coa Fastening Systems Rings a business unit of Alcoa is a leading worldwide designer and manufacturer of fastening systems and rings including specialty fasteners fluid fittings assembly components in...

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