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Summary of Contents for Alcoa 257
- Page 1 NSTRUCTION ANUAL NEUDRAULIC NSTALLATION 07-28-2006 HK1017...
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Page 2: Eu Declaration Of Conformity
257 Series Tooling Alcoa Fastening Systems EU Declaration of Conformity Manufacturer: Huck International, Inc., Installation Systems Division, 1 Corporate Drive, Kingston, NY, 12401, USA Description of Machinery: Model number 256 fastener installation tool Relevant provisions complied with: Council Directive related to Machinery, (89/392/EEC), (91/368/EEC), (93/44/EEC),... -
Page 3: Table Of Contents
257 Series Tooling Alcoa Fastening Systems ONTENTS EU D ......2 ECLARATION OF CONFORMITY . -
Page 4: Safety
257 Series Tooling Alcoa Fastening Systems AFETY This instruction manual must be read with particular When repairing or operating Huck installation attention to the following safety guide lines, by any equipment, always wear approved person servicing or operating this tool. -
Page 5: Specifications
257 Series Tooling Alcoa Fastening Systems PECIFICA TIONS PECIFICA TIONS 7.823 INCHES 198.7 24.36 4° 1.920 ø 48.77 14.886 378.1 6.018 152.8 4.640 ø 117.8 • Stroke: .875 • Weight: 11.1 lbs • Air Pressure: 90-100 psi 3.957 • Capacity: 5282 lbs @ 90 psi 100.51... -
Page 6: Principle Of Operation
257 Series Tooling Alcoa Fastening Systems RINCIPLE OF PERATION PULL PISTON RELIEF CHECK VALVE VALVE HYDRAULIC PISTON THROTTLE VALVE RESERVOIR AIR PISTON EXHAUST PULL RETURN When the trigger is depressed, the throttle valve When fastener installation is completed, the trigger moves to down position, and pressurized air is is released. -
Page 7: Preparation For Use
257 Series Tooling Alcoa Fastening Systems REPARATION FOR The Model 257 Installation Tool is shipped with a plastic 7. Disconnect air hose from tool. plug in the air inlet connector. The connector has 1/4-18 8. Remove Retaining Nut and Stop. -
Page 8: Disassembly
257 Series Tooling Alcoa Fastening Systems 257 D ODEL ISASSEMBLY NSTRUCTIONS 9. If check Valve Seat (78) is damaged contact your Huck WARNING: Be sure air hose is disconnected representative. If Seat (88) is damaged it can be from tool before cleaning, or performing removed by using the following procedure. -
Page 9: Assembly
257 Series Tooling Alcoa Fastening Systems 14. Remove Screw (67) from Throttle Arm (66). Remove FIG. 3 throttle arm. Pull Throttle Valve (36) out of cylinder. Remove Spring (40). (Fig. 9) 15. With a small punch and hammer, drive Roll Pin (5) that retains the trigger from Handle (1). - Page 10 257 Series Tooling Alcoa Fastening Systems 257 A ODEL SSEMBLY NSTRUCTIONS Assembly 10. If Air Hose Assembly (38) was removed, reinstall in (Refer to Figures 1 thru 5 and 9.) Cylinder Assembly (53). Clean components with mineral spirits, or similar solvent.
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Page 11: Fill And Bleed
257 Series Tooling Alcoa Fastening Systems 16. Install O-rings (16 & 18) and Back-up Rings (17 & 19) Preparation: FIG. 6 on Rear Gland (94). Push complete assembly into 1. Install air regulator head, screw in Cylinder Cap (20) and tighten. (Fig. 9) - Page 12 257 Series Tooling Alcoa Fastening Systems Step 6 Step 9 Connect tool to shop air regulated to 20 to 40 psi. Cycle Turn tool so front of head faces you and remove the relief tool 20-30 times. Watch for air bubbles escaping from the valve Plug (83).
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Page 13: Assembly Drawing
257 Series Tooling Alcoa Fastening Systems SSEMBLY RAWING FIG. 9 PULL GLAND ASSEMBLY (90) Note orientation of Polyseal (10) RETURN GLAND ASSEMBLY (22) PISTON ASSEMBLY (31) 78 77 76 75 GLAND ASSEMBLY (54) 25 72 84 85 86 87 88 25 72... -
Page 14: Parts List
257 Series Tooling Alcoa Fastening Systems ITEM PART# DESCRIPTION ITEM PART# DESCRIPTION 125642 Handle & Sleeve Assembly 100315 Piston, Air 125643 Cable Assembly 113344 Piston Rod 115556 Cylinder Assembly 124333-2 Trigger 505496 Trigger Pin 127326 Gland Assembly 500786 O-ring 500621... -
Page 15: Troubleshooting
257 Series Tooling Alcoa Fastening Systems ROUBLESHOOTING Always check out the simplest possible cause of a Hydraulic fluid exhausts with air or leaks at base of malfunction first. For example, an air hose not connected. handle. Then proceed logically, eliminating each possible cause a) Worn or damaged Gland Assembly (54), inspect until the cause is located. -
Page 16: Service Notes
257 Series Tooling Alcoa Fastening Systems ERVICE OTES... - Page 17 257 Series Tooling Alcoa Fastening Systems IMITED ARRANTIES Tooling Warranty: Huck warrants that tooling and other DESIGN, OPERATION, MERCHANTABILITY items (excluding fasteners, and hereinafter referred as FITNESS FOR USE OF ANY TOOL, PART(S), OR "other items") manufactured by Huck shall be free from...
- Page 18 NOTICE: The information contained in this publication is only for One Great Connection HWB898 1003-5M general guidance with regard to properties of the products shown © 2003 Alcoa Fastening Systems 1 Corporate Drive, Kingston, NY 12401 • Tel: 800-431-3091 • Fax: 845-334-7333 • E-mail: hkitoolinfo@alcoa.com • www.alcoafasteningsystems.com...
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