Solution Guide - Loctite

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Retaining •l Single-component •l Fills all voids – 100 % contact •l Prevents corrosion •l Even stress distribution across the joint •l Suitable for high loads •l Eliminates fretting Handy Hints: • Degrease, clean and dry surfaces prior to applying the adhesive – use Loctite ® 7063 (See Cleaning on page 30/31) • If the adhesive is applied below 5 °C, pre-treatment with Loctite ® 7240 or Loctite ® 7649 is advised (See Surface Preparation on page 32/33) • Use in conjunction with existing designs to increase their strength Is the assembly very loose or badly worn? Yes Disassembly required Gel Liquid Semi-solid Solution 660 (with Activator 7240) 641 668 Diametrical clearance Up to 0.5 mm Up to 0.1 mm Up to 0.15 mm Strength required High Medium Medium Handling strength after 1 20 min. 30 min. 30 min. Operating temperature -55 °C to +150 °C -55 °C to +150 °C -55 °C to +150 °C Pack sizes 50 ml 10 ml, 50 ml, 250 ml 9 g, 19 g stick Equipment 2 n.a. 97001, 98414, 98548, 97009 n.a. 1 At room temperature on steel joints. 2 For detailed information see pages 42/43 * After heat cure 180 °C for 30 min. Loctite ® 660 (use with Activator Loctite ® 7240) • Ideal for repairing worn coaxial parts without remachining • Enables re-use of worn bearing seats, keys, splines or tapers • Suitable for retaining shims P1 NSF Reg. No.: 123704 Loctite ® 641 • Ideal for parts that need subsequent dismantling, i.e. retention of bearings onto shafts and into housings Loctite ® 668 • Convenient to use • Non-dripping, no migration • Great for difficult to access areas – overhead, underneath or on fixed parts • Ideal for all kinds of medium strength retaining applications 16
No Up to 230 °C What operating temperature is required? Up to 175 °C No disassembly required Up to 150 °C Gap ≤ 0.25 mm Gap ≤ 0.1 mm Liquid Liquid Liquid Liquid 620 648 638 603 (improved 601) Up to 0.2 mm Up to 0.15 mm Up to 0.25 mm Up to 0.1 mm High High High High 60 min. 5 min. 8 min. 8 min. -55 °C to +230 °C * -55 °C to +175 °C -55 °C to +150 °C -55 °C to +150 °C 50 ml, 250 ml 10 ml, 50 ml, 250 ml 10 ml, 50 ml, 250 ml 10 ml, 50 ml, 250 ml 97001, 98414, 97009 97001, 98414, 98548, 97009 97001, 98414, 98548, 97009 97001, 98414, 98548, 97009 Loctite ® 620 • High temperature resistance • Ideal for retaining pins in radiator assemblies, sleeves into pump housings and bearings in auto transmissions DVGW approval (EN 751-1): NG-5146AR0622 Loctite ® 648 • Increased temperature resistance • Ideal for retaining of parts with a clearance or interference fit, i.e. retaining bushes, bearings, seals, fans, and liners WRC Approval (BS 6920): 0311505 Loctite ® 638 • Best resistance to dynamic, axial and radial loads • Ideal for shafts, gears, pulleys and similar cylindrical parts P1 NSF Reg. No.: 123010 DVGW Approval (EN 751-1): NG-5146AR0619 WRC Approval (BS 6920): 0511518 KTW Approval for Potable Water Loctite ® 603 (improved Loctite ® 601) • Ideal for retaining close fitting cylindrical parts • For use on cylindrical fitting parts where thorough degreasing is not possible • Approved for use on bearings P1 NSF Reg. No.: 123003 WRC Approval (BS 6920): 0412505 17
Page 1 and 2: Solution Guide Issue 6
Page 3 and 4: Table of Contents 4 10 12 14 16 18
Page 5 and 6: Bearings, Bushes, Shafts, Cylindric
Page 7 and 8: Cleaning Parts and Hands • Cleani
Page 9 and 10: Best Practice • Reduce routine ma
Page 11 and 12: No What strength do you require? Me
Page 13 and 14: Metal Are the threads fine or coars
Page 15: No What gap must the sealant fill?
Page 19 and 20: No Is the gap over 0.1 mm? Do you r
Page 21 and 22: Five-minute Toughened High temperat
Page 23 and 24: No Do you require high temperature
Page 25 and 26: Elastic bonding General purpose Rap
Page 27 and 28: Aluminium Metalllic components subj
Page 29 and 30: Fine particle Chemical attack Resis
Page 31 and 32: Parts, machines and surface cleaner
Page 33 and 34: Threadlocking, Pipe and Thread Seal
Page 35 and 36: Oil Chain lubricant Freeing parts S
Page 37 and 38: High performance Special purpose Hi
Page 39 and 40: Standard applications Copper Anti-S
Page 41 and 42: Emergency Repair Products O-Ring Re
Page 43 and 44: Loctite ® equipment solutions Loct
Page 45 and 46: Maintenance Workshop The Maintenanc
Page 47 and 48: Industrial centrifuges, used to sep
Page 49 and 50: Most shaft assemblies run in harsh
Page 51 and 52: Product No. Description Pack size I

Solution Guide - Loctite

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