“Do It Right” User`s Guide
Contents
1. e Loctite Press Fit Repair 660 is NOT recommended for radial gaps exceeding 010 on shaft or keyway e See REPAIRING BADLY WALLOWED KEYWAY on page 18 for procedure DISASSEMBLY 1 2 3 Tap component and key with hammer If necessary apply localized heat 500 F for five minutes Pull while hot 17 STRENGTHEN KEYED ASSEMBLIES Loctite Press Fit Repair 660 coated keyway 1 Clean all parts with a cleaner 2 If necessary spray all parts with Loctite Klean N Prime Allow to dry 3 Apply a Loctite Press Fit Repair 660 coating into keyway 4 Assemble as required using Loctite Press Fit Repair 660 5 Allow 30 to 60 minute cure time Note Loctite Press Fit Repair 660 is NOT recommended for lateral gaps exceeding 010 e Higher strengths are obtained by NOT using Loctite Klean N Prime with small 002 to 004 gap and allowing longer cure 4 to 24 hours 18 SHAFT MOUNTED ASSEMBLIES REPAIRING BADLY WORN SHAFT om bk mn mo e i a Bearing Loctite Press Fit Repair 660 Sleeve Loctite Bearing Mount 680 or Loctite Press Fit Repair 660 Shaft Determine a minimum radial gap Select and trim appropriate sleeve to allow component slip fit Roughen sleeve O D with emery cloth Clean all parts with a cleaner Apply a Loctite Bearing Mount 680 or Loctite Press Fit Repair 660 coating around the shaft Install sleeve2. Do It Right User s Guide CONTENTS The primary function of this User s Guide is to help you the automotive professional with the proper selection and use of Loctite products A wide variety of preventative maintenance as well as repair techniques are explained in step by step detail Consider this a supplemental service manual for every vehicle in your shop Our goal is to make it easier for you to use our products to your benefit for faster repair times reduced downtime and extended vehicle life Additional information on these products as well as others is available by contacting us at 1 800 LOCTITE 562 8483 or 1 800 263 5043 in Canada CONTENTS CONTENTS PAGE INTRODUCTION THREADLOCKING THREAD REPAIR POROSITY SEALING FORM IN PLACE GASKETING GASKET DRESSING FORM IN PLACE SILICONES STRENGTHEN KEYED ASSEMBLIES SHAFT MOUNTED ASSEMBLIES HOUSED COMPONENTS DISASSEMBLY RUSTPROOFING TROUBLESHOOTING ORDERING Introduction to Anaerobic Adhesives and Sealants 4 Why Use a Primer Thru Holes Bolts and Nuts Blind Holes Cap Screws etc Blind Holes Studs etc Adjustment Screws Pre Assembled Fasteners Loctite Brand Threadlocker Quick Selector Stripped Thread Repair Standard Fittings Pipes Hydraulic or Air Pipe Unions Compression Fittings Flared Swaged Fittings Hose Ends Air amp Hydraulic Loctite Brand Thread Sealant Quick Selector Existing Weld
3. Note Do not use on plastic fittings or tubing FLARED SWAGED FITTINGS Thread Sealant Coating For or damaged flare or seat D Thread d Band 1 Disassemble and if necessary spray all components with Loctite Klean N Prime Allow to dry 2 Apply a thin coating of Loctite Thread Sealant to fitting face Apply a band of Loctite Thread Sealant to male threads 4 Assemble parts snugly 10 THREAD SEALING HOSE ENDS AIR amp HYDRAULIC Thread Sealant Band ME OND EF 1 If necessary spray adapter threads with Loctite Klean N Prime Allow to dry 2 Insert barbed hose stem into hose inner diameter I D with slight twisting motion Install appropriate hose clamp 4 Apply a band of Loctite Thread Sealant to male hose stem threads upon installation or when adding the accessory device Tighten snugly Note Loctite Thread Sealant may attack synthetic rubber tubing LOCTITE BRAND THREAD SEALANT QUICK SELECTOR TAPERED THREADS INSTANT MAX STEAM TEMP APPLICATION PRODUCT PRIMER SEAL PRESSURE PRESSURE RANGE Most Metal Thread Sealant Klean N Prime 500psi 10 000 psi n a 65 F to Fittings Stick or Thread 24 hours 300 F Sealant 565 High Filtration Thread Sealant Klean N Prime 500psi 10 000 psi n a 65 F to Zero Contamination 545 Hydraulic 10 min 24 hours 300 F Systems Pneumatic Most Metal Thread Sealant Klean N Prime 500ps
4. Apply a coating of Loctite Press Fit Repair 660 to sleeve O D Install component as required onto sleeved shaft Allow 30 to 60 minute cure Note Loctite Press Fit Repair 660 is NOT recommended for radial gaps exceeding 010 e Higher strengths are obtained by NOT using Loctite Klean N Prime with small 002 to 004 gap and allowing longer cure 4 to 24 hours SHAFT MOUNTED ASSEMBLIES a Bearing Loctite Press Fit Repair 660 or Loctite Bearing Mount 680 Shaft ORIGINAL 1 Machine shaft to 002 radial slip fit with 50 80 rms finish second cut 2 Clean all parts with a cleaner 3 Spray all parts I D and O D with Loctite Klean N Prime Do NOT use primer for heavy duty applications 4 Apply a Loctite Press Fit Repair 660 coating around shaft and engagement area 5 Assemble parts with rotating motion Wipe off excess 7 Allow 2 hours prior to service WORN SHAFT Follow directions above except 1 Determine radial gap 2 Ifradial gap exceeds 005 Loctite Klean N Prime must be used 3 Take steps to maintain concentricity with large gaps 4 Larger gaps require longer cure times 30 to 60 minutes 5 Loctite Press Fit Repair 660 is NOT recommended for radial gaps exceeding 010 6 See procedure for BADLY WORN SHAFT on page 19 Note Loctite Press Fit Repair 660 is very fast fixturing 30 seconds or less with Loctite Klean N Prime M
5. D Note Virtually any Loctite Threadlocking product will work here Medium strength liquid is recommended due to normal gap and strength requirement Install as usual Wipe off excess Allow to cure 30 minutes Note Loctite Threadlocker 243 or Loctite Blue Threadlocker Stick is normally used with worn seal housings to prevent leakage or slippage e It is not generally necessary to remove pre applied sealant from seal O D RETAINING COMPOUNDS APPLICATION LOCTITE PRODUCT LOCTITE PRIMER Shaft Mount Press Fit Medium Strength Sleeve Retainer 640 NONE Sleeve Retainer 640 Klean N Prime Shaft Mount Shrink Fit Medium Strength Sleeve Retainer 640 NONE Shaft Mount Slip Fit Small Gap 002 Radial max Sleeve Retainer 640 Klean N Prime Larger Gap 010 Radial max Press Fit Repair 660 Klean N Prime Maximum Strength 010 Radial max Bearing Mount 680 Klean N Prime Maximum Temperature 400 F Bearing Mount 620 Klean N Prime 008 Radial max Housing Mount Press Fit Maximum Strength Sleeve Retainer 640 NONE Low Strength Threadlocker 243 NONE Housing Mount Slip Fit Maximum Strength Bearing Mount 680 NONE High Strength Press Fit Repair 660 NONE Controlled Strength Press Fit Repair 660 Klean N Prime Low Strength Threadlocker 243 Klean N Prime Blue Threadlocker Stick Note Softer metals Aluminum Bronze
6. Porosities and Castings Sealing Cast Rigid Flanges Loctite Brand Gasketing Quick Selector Sealed Flanges Stamped or Sheet Metal Flanges Standard Duty Heavy Duty Repairing Badly Wallowed Keyway Repairing Badly Worn Shaft Slip Fit Light Heavy Duty Press Fit Shrink Fit Slip Fit Sealing Retaining Metallic Seal Loctite Retaining Compound Quick Selector Loctite Brand Threadlocking Thread Sealing and Retaining Gasketing Optimum Use of Loctite Extend Rust Treatment Checklist Product Listing Order Information OO ANN TDA VN E ie m m Irch Ye eS eS vu BWW NE ka OO 16 17 18 19 20 21 22 23 24 25 26 26 27 28 29 INTRODUCTION INTRODUCTION TO ANAEROBIC ADHESIVES AND SEALANTS Anaerobic adhesives and sealants were developed by the founder of the Loctite Corporation now the Henkel Corporation in 1953 and since then they have significantly evolved to meet the highest requirements of vehicle manufacturers and vehicle maintenance and repair Anaerobic adhesives and sealants are resins that convert from liquid to a tough structural solid in the absence of air and the presence of metal The primary functions of anaerobic resins are Threadlocking Thread Sealing Gasketing Retaining Each one of these functions is based upon control of five major variables strength viscosity adhesion flexibility and temperature resistance These five parameters give anaerobi
7. assemble parts immediately Note If cover bolts into blind holes as above apply Loctite Threadlocker 242 into hole and on threads Tighten normally e If itis a through bolt assembly apply Loctite Threadlocker 242 Tighten normally FORM IN PLACE SILICONES STAMPED OR SHEET METAL FLANGES 1 Remove old gasketing material and other heavy contaminants 2 Clean both flanges with a cleaner 3 Apply a continuous bead of Loctite Ready Gasket or Loctite High Performance silicones to sealing surface Circle all bolt holes Note Use proper bead diameter to seal flange width and depth e Minimize excessive material squeeze in 4 Assemble within 10 minutes by pressing together Tighten as required 5 Clean up any excess or squeeze out 6 Cure times will vary with temperature humidity and gap Typical full cure time is 24 hours LOCTITE READY GASKET LOCTITE 587 BLUE Color Black VISCOSITY cP Paste GAP FILL KR Cure Method Moisture Oxime CURE SPEED Tack Free 30 minutes Full Cure 24 hours SERVICE TEMP RANGE Intermittent 75 F to 500 F 59 F to 260 C Blue Paste y Moisture Oxime 30 minutes 24 hours 75 F to 500 F 59 F to 260 C Loctite Ready Gasket provides a low pressure instant seal 100 psi at zero gap 15 STRENGTHEN KEYED ASSEMBLIES _ Adab of Loctite Press Fit Repair 660 or Loctite Threadlocker 242 here Loctite Press Fi
8. etc provide lower shear strengths than ferrous components e Excessive gap reduces shear strengths e Ideal surface finish 50 to 80 rms Refer to Technical Data Sheets for more information DISASSEMBLY THREADLOCKING THREAD SEALING AND RETAINING LOW AND MEDIUM STRENGTH PRODUCTS Disassemble with hand tools HIGH STRENGTH PRODUCTS e Apply localized heat 500 F or higher to assembly for 5 minutes e Disassemble with hand tools while hot GASKETING e Disassemble flange using hand tools Remove material with a gasket remover 26 RUSTPROOFING SURFACE PREPARATION OLD STEEL Loose or flaky rust must be removed Only conversion of firmly bonded rust will result in durable protection Oil grease old paint mill scale form oil fingerprints water soluble surfaces and chlorides must be removed to allow Loctite Extend Rust Treatment to react with rust Ideal surfaces will show light rust as well as bare metal surfaces RUST CONVERSION TIME AND APPEARANCE Two coats of Loctite Extend Rust Treatment are recommended The first coat should develop a purple black color within seconds The second coat should dry to a black color The second coat should be applied within 15 30 minutes of the first coat APPLICATION CONDITIONS Loctite Extend Rust Treatment may be applied when surface and air temperautes are between 50 F and 90 F Reaction is slower at lower temperatures If temperature is to
9. AXIMUM STRENGTH 1 Same as above except use Loctite Bearing Mount 680 with Loctite Klean N Prime or no primer 2 Allow 4 to 24 hours to cure MAXIMUM TEMPERATURE 400 F CONTINUOUS 1 Same as above except use Loctite Bearing Mount 620 or Loctite Sleeve Retainer 640 with Loctite Klean N Prime 20 SHAFT MOUNTED ASSEMBLIES Bearing Loctite Sleeve Retainer 640 Shaft STANDARD 1 Clean shaft O D and component I D 2 Apply a bead of Loctite Sleeve Retainer 640 to the circumference of the shaft at leading edge of insertion or leading area of engagement Note Bearing Mounts will always be squeezed to the outside when applied to shaft e Do NOT use with Loctite Anti Seizes or similar products Press as usual Wipe off excess 4 Nocure time required Note Loctite Sleeve Retainer 640 is used due to low viscosity and wetting properties TANDEM MOUNT 1 Apply bearing mount to the bore of the inside component 2 Continue assembly as above 21 SHAFT MOUNTED ASSEMBLIES Loctite Sleeve Retainer 640 ASSEMBLY 1 Clean the shaft O D and component I D 2 Cool the shaft to cause contraction or heat the component to cause expansion 3 Apply a brush film of Loctite Sleeve Retainer 640 to the shaft or lower temperature part 4 Install component and allow temperatures to equilibriate Wipe off excess Note Loctite Retain
10. TS HENKEL CORPORATION 28 SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY KIND INCLUDING LOST PROFITS The discussion herein of various processes or compositions is not to be interpreted as representation that they are free from domination of patents owned by others or as a license under any Henkel Corporation patents which may cover such processes or compositions We recommend that each prospective user test the proposed application to determine its suitability for the purposes intended prior to incorporating any product or application in its manufacturing process using this data as a guide Some products may be covered by one or more United States or foreign patents or patent applications ORDERING PRODUCT LISTING ORDER INFORMATION LOCTITE GASKETING PRODUCTS SIZE ITEM NO Gasket Maker 515 50 ml tube 38655 Gasket Maker 518 50 ml tube 37394 300 ml cartridge 37530 Ready Gasket 5 oz cartridge 37512 7 oz can 37510 190 ml power can 40480 RTV 587 Blue Silicone Gasket Maker 80 ml tube 37465 190 ml power can 40462 300 ml cartridge 37516 RTV 598 Black Silicone Gasket Maker 8 75 oz can 37519 11 ml tube 37472 80 ml tube 37467 190 ml power can 40463 300 ml cartridge 37518 RTV 5920 Copper Silicone Gasket Maker 80 ml tube 37466 RTV 5699 Grey Silicone Gasket Maker 80 ml tube 37464 190 ml powercan 40505 LOCTITE GENERAL MAINTENANCE PRODUCTS SIZE ITEM NO Ex
11. adlocker 290 at screw and body juncture 3 Avoid touching bottle tip to metal Note If re adjustment is difficult apply heat to screw with soldering gun 500 F THREADLOCKING SEET Loctite Threadlocker 290 Here a a Not Here ei Clean bolts and nuts with a cleaner Assemble components Tighten nuts TL H Apply several drops of Loctite Threadlocker 290 at the nut and bolt juncture 5 Avoid touching bottle tip to metal Note For preventive maintenance on existing equipment RETIGHTEN nuts and apply Loctite Threadlocker 290 at the nut and bolt juncture LOCTITE BRAND THREADLOCKER QUICK SELECTOR USE STRENGTH PRODUCT COLOR Small Screws Low 222 Purple Nuts amp Bolts Medium 242 243 Blue Threadlocker Stick Blue Pre Assembled Medium 290 Green Overhead Medium 249 Tape or Stick Blue Pre Applied up to Medium 249 Tape Blue 30 Days Nuts amp Bolts High 262 Red Threadlocker Stick Red Studs up to 11 2 High 271 Red Studs up to 1 High 272 Red Studs over 1 High 277 Red Wicking Grade THREAD REPAIR STRIPPED THREAD REPAIR Cleaned Bolt Release Agent Cover Threadlocker Plate Ce Stripped Threads Release Agent ORM A THREAD FORM A THREAD Y Fill Only LL t Tape Tape New Threads Step 1 Step 2 Step 3 STANDARD THREAD REPAIR 1 Follow instructions on Loctite FORM A THREAD package 2 If cover pl
12. ant Stick High Performance 19 g stick 37615 Thread Sealant 565 High Performance 50 ml tube 37396 Thread Sealant 592 High Temperature 6 ml tube 37398 50 ml tube 37397 30 NOTES LOGTITE Henkel Your worldwide partner UA CANADA Fenk Canace SE SE Way x Bee foe USA l Tel 905 814 Fax EE So Fax 905 814 5391 MEXICO Henkel Capital S A de C V Blvd Magnocentro No 8 Piso 2 Centro Urbano Interlomas 52760 Huixquilucan Estado de M xico Tel 01 800 436 5357 within Mexico Tel 52 55 3300 3644 Fax 52 55 3300 3019 www henkelna com aam Except as otherwise noted all marks used are trademarks and or registered trademarks of Henkel and or its affiliates in the U S and elsewhere registered in the U S Patent and Trademark Office 2013 Henkel Corporation All rights reserved 10367 LT 4680 6 13
13. ate is used for bolt alignment a Apply release agent to mating faces around repair area b Use waxed paper or similar film between faces 3 A jiggling twisting motion when initially inserting bolt improves the thread conformation Note NOT intended for engine stud repair SMALL HOLE FINE THREAD REPAIR OPTION 1 Drill out damaged hole to oversize then follow STANDARD THREAD REPAIR OPTION 2 Apply Loctite FORM A THREAD to screw and insert into damaged hole Clamp in place while product cures STUD INSTALLATION PERMANENT LIGHT DUTY Use stud or cut all threads to desired length Do NOT apply release agent to stud Proceed as with standard thread repair Allow 30 minutes to cure VR WN Co Assemble as required THREAD SEALING STANDARD FITTINGS PIPES HYDRAULIC OR AIR Thread Sealant Band Thread Sealant Band es 1 Clean parts of contamination If necessary spray Loctite Klean N Prime onto threaded parts male and female Allow to dry Note Primer is not required for brass parts 2 Apply a band of Loctite Thread Sealant 592 or 565 to male threads starting one to two threads from end of pipe Gs Assemble parts snugly Do not overtighten P If initial pressure exceeds 1000 psi wait 30 minutes before pressurizing Note For stainless steel components use Loctite Thread Sealant 565 e For general purpose thread sealing use Loctite Thread S
14. c users considerable latitude in adjusting properties for optimum performance in specific application areas Another variable that should be considered is the surface on which the adhesive will be applied For certain surfaces or other special requirements the use of a primer is recommended WHY USE A PRIMER 1 Primers activate inactive surfaces 2 Primers speed cure times for faster return to service 3 Primers speed curing through larger gaps and deep threads 4 Primers substantially speed cure times on cold parts 5 Primers act as cleaning agents Active surfaces Primer optional Brass copper bronze iron soft steel nickel Inactive surfaces Primer required Aluminum stainless steel magnesium zinc black oxide cadmium titanium others THREADLOCKING THRU HOLES BOLTS AND NUTS LIQUID SEMI SOLIDS AND DRY TO TOUCH TAPE A Here e NW Oe Clean all threads bolt and nut with a cleaner If necessary spray all threads with Loctite Klean N Prime Allow to dry 1 2 3 Select the proper strength Loctite threadlocker 4 Insert bolt into thru hole assembly 5 Apply several drops of liquid threadlocker onto bolt at targeted tightened nut engagement area or when using the stick product completely fill the root of the threads at the area of engagement 6 Assemble and tighten nut as usual BLIND HOLES CAP SCREWS ETC LIQUID ONLY Onto Onto Dee 1 Clean al
15. ealant fluid compatibility b excessive pressure too soon d impact on environment 5 Were parts adequately cleaned prior to applying adhesive Note If adhesive failure is cured residue on one or both parts If one part is bare check that part for contamination 6 Were proper assembly techniques utilized 7 Was adhesive sealant allowed adequate cure time prior to service 8 Doassembly part conditions exceed capability of the adhesive sealant a excessive gaps b component materials improper joint design d inadequate clamping fixturing 9 If additional assistance is required please call our HENKEL TECHNICAL INFORMATION LINE See back cover for the Henkel Technical Information number in your area LIMITATION OF WARRANTY The data contained herein are furnished for information only and are believed to be reliable We cannot assume responsibility for the results obtained by others over whose methods we have no control It is the user s responsibility to determine suitability for the user s purpose of any production methods mentioned herein and to adopt such precautions as may be advisable for the protection of property and of persons against any hazards that may be involved in the handling and use thereof In light of the foregoing HENKEL CORPORATION SPECIFICALLY DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARISING FROM SALE OR USE OF HENKEL CORPORATION S PRODUC
16. ealant 565 or Loctite Pipe Sealant Stick For fine filtration systems requiring zero contamination use Loctite Thread Sealant SAS for hydraulic pneumatic fittings Do not use on oxygen or strong oxidizers chlorine For applications requiring temperature range above 300 F no higher than 400 F use Loctite Thread Sealant 592 Depending on conditions Thread T Band T Sealant T Hag ik Thread Sealant ge May be used for new or damaged seat 1 Disassemble and if necessary spray all components with Loctite Klean N Prime Allow to dry 2 Apply a thin coating of Loctite Thread Sealant to union face 3 Apply a band of Loctite Thread Sealant to male threads 4 Assemble parts snugly THREAD SEALING COMPRESSION FITTINGS Thread Sealant Coating Thread Sealant Band ER lig 1 Slide fitting nut and ferrule back approximately 3 4 from end of tubing 2 If necessary spray the entire assembly with Loctite Klean N Prime Allow to dry Note Primer is not required for brass parts 3 Apply a thin coating of Loctite Thread Sealant to tubing where ferrule will be located 4 Slide ferrule forward over Loctite Thread Sealant coated tubing then apply a thin bead of Loctite Thread Sealant coating to ferrule Slide ferrule forward over Loctite Thread Sealant coated tubing Apply a small band of Loctite Thread Sealant to male threads Assemble and tighten normally
17. i 10 000 psi n a 65 F to Fittings 592 High 10 min 24 hours 400 F Temperature DO NOT USE THESE PRODUCTS ON OXYGEN OR STRONG OXIDIZERS 11 POROSITY SEALING Loctite Threadlocker 290 a oe Weld Bead lt 4 Tank Wall Weld Porosity 227 1 IMPORTANT TAKE PROPER SAFETY PRECAUTIONS IF WORKING WITH FLAMMABLE LIQUID TANKS AVOID USE WITH COMPRESSIBLE GASSES Wire brush to remove paint rust etc from repair area Clean repair area with a cleaner Apply localized heat to bring repair area to approximately 250 F Allow repair area to cool to approximately 185 F aw R WN Brush or spray sealant on repair area Note Steel Use Loctite Threadlocker 290 at 185 F e Aluminum Stainless Steel Use Loctite Threadlocker 290 at 120 F Note Not recommended for blowholes e Maximum porosity sealed 005 Allow to cure for 30 minutes high pressure above 150 psi 1 hour Clean with a cleaner to remove excess sealant Do not grind Paint as required Note Casting repair uses the same procedure SEALING NEW WELDS PREVENTIVE MAINTENANCE 1 Remove all slag and scale while hot 2 Apply sealant when weld is 185 F and falling 3 Follow information above 12 FORM IN PLACE GASKETING SEALING CAST RIGID FLANGES Continuous Bead Circle Bolt Holes Flat Flange Raised Flange Remove old gasketing material and other heavy contaminants Use mechanical removal techni
18. ing Compound will add lubricity for easier assembly while sealing and protecting the bond area from environmental exposure and filling gaps for a more complete contact area 22 HOUSED COMPONENTS SLIP FIT Loctite Press Fit Repair 660 Shaft Loctite Press Fit Housing Repair 660 ORIGINAL 1 Select component to fit shaft 2 Machine to reduce component O D or increase housing I D to permit approximate 002 to 004 diametral slip fit 3 Clean all parts with a cleaner and spray with Loctite Klean N Prime 4 Apply Loctite Press Fit Repair 660 to component O D 5 Install component Do not rotate 6 Wipe off excess 7 Allow five minutes prior to service WORN Procedures identical to original slip fit except 1 Determine the maximum radial gap 2 Ifthe maximum gap exceeds 005 Loctite Klean N Prime must be used 3 Take steps to maintain concentricity on large gaps 4 Large gaps require longer cure times 30 to 60 minutes 5 Loctite Press Fit Repair 660 is NOT recommended for radial gaps exceeding 020 23 HOUSED COMPONENTS SEALING RETAINING METALLIC SEAL 24 Bead of Loctite Threadlocker 243 Clean the housing I D and seal O D with a cleaner Spray both the housing and seal with Loctite Klean N Primer Apply a bead of Loctite Threadlocker 243 or Loctite Blue Threadlocker Stick to the leading edge of metallic seal O
19. l threads bolt and hole with a cleaner 2 If necessary spray bolt and hole with Loctite Klean N Prime Allow 30 to 70 seconds to dry Select the proper strength Loctite threadlocker Squirt several drops down the sides of the female threads Apply several drops to bolt emt Ww Tighten as usual Note Using Loctite threadlockers will virtually eliminate stripped threads in aluminum or magnesium housings caused by galvanic corrosion THREADLOCKING BLIND HOLES STUDS ETC LIQUID ONLY Onto Threads va _ Loctite d Threadlocker Into S _ ae 242 Hole WS ao N L Loctite Threadlocker 262 or 271 1 Clean all threads bolt and hole with a cleaner 2 If necessary spray all threads with Loctite Klean N Prime Allow to dry 3 Squirt several drops of Loctite Threadlocker 262 or 271 down the sides of the female threads Note Use Loctite Threadlocker 277 if stud is over 1 diameter 4 Apply several drops of Loctite Threadlocker 262 or 271 onto stud threads Install studs Position cover head etc Apply drops of Loctite Threadlocker 242 onto exposed threads PNoy Tighten nuts as required 243 may be used in place of 242 Its primerless formula eliminates the need for Loctite Klean N Prime ADJUSTMENT SCREWS Apply Threadlocker Here AWN i 1 Adjust screw to proper setting 2 Apply several drops of Loctite Thre
20. o hot film may surface dry and bubble High humidity is beneficial it slows drying but assists rust conversion Loctite Extend Rust Treatment should not be applied in conditions of condensing humidity e g fog dew on ice in rain or in heavy sea Salt spray atmospheres Steel surface may be damp but not wet i e continuous visible film of water DO NOT APPLY LOCTITE EXTEND RUST TREATMENT TO SURFACES IN DIRECT SUNLIGHT APPLICATION EQUIPMENT METHODS Loctite Extend Rust Treatment may be applied by brush roller or spray Brush or roller is suitable for small areas Avoid sags and ridges and keep edges wet by coating about a square yard at a time Roll away from previously coated area and then roll back Do not pour unused material back into the original container NEVER add solvents to Loctite Extend Rust Treatment Spray application is recommended for larger areas Airless spray equipment is faster and provides more effective conversion due to improved surface penetration Conventional air spray equipment may be used but Loctite Extend Rust Treatment may require thinning up to 10 with water for proper spraying 27 TROUBLESHOOTING CHECKLIST RO ma H a operating temperature What type of failure is occurring Has the application worked before Was proper and adequate adhesive sealant used Was proper and adequate primer activator used Do service conditions exceed the capability of the adhesive s
21. que if required Note Avoid grinding 2 Clean both flanges with a cleaner 3 Spray Loctite Klean N Prime on only one surface Allow 1 2 minutes to dry 4 Apply a continuous bead of Loctite Gasket Maker to the other surface Note Circle all bolt holes with sealant if appropriate 5 Mate Parts Assemble and tighten as required Note Immediate assembly not required however avoid delays over 45 minutes 6 Allow to cure a No pressure immediate service b Low pressure up to 500 psi 30 to 45 minutes c High pressure 500 to 2500 psi 4 hours d Extreme high pressure 2500 to 5000 psi 24 hours LOCTITE BRAND GASKETING QUICK SELECTOR USE PRODUCT GAP FILL TEMP RANGE General Gasket Maker 518 050 65 F to 300 F General Gasket Maker 515 050 65 F to 300 F 13 GASKET DRESSING SEALED FLANGES 14 d 3 Loctite Klean N Prime Loctite Threadlocker 242 and Gasket Maker 518 8 Loctite Threadlocker 242 Loctite Threadlocker 242 Remove old gasketing material and other heavy contaminants Use mechanical removal technique if required Cleaner Only Note Avoid grinding Clean both flanges with a cleaner Spray Loctite Klean N Prime on both flange faces and both sides of the precut gasket Allow 1 to 2 minutes to dry Smear Loctite Gasket Maker on both sides of precut gasket with a clean applicator Place coated gasket on flange surface and
22. t Repair 660 coating here Dab of Loctite Press Fit Repair 660 here ASSEMBLY 1 Clean all parts with a cleaner 2 If necessary spray all parts inner diameter I D and outer diameter O D with Loctite Klean N Prime 3 Apply a coating of Loctite Press Fit Repair 660 into keyway and on key A Apply dab s of Loctite Press Fit Repair 660 onto shaft opposite keyway or evenly spaced around shaft 5 Assemble parts Wipe off excess 6 Apply a dab of Loctite Press Fit Repair 660 to set screw 7 Tighten set screw 8 Allow 5 to 10 minutes prior to service Note Loctite Press Fit Repair 660 is NOT recommended for radial gaps exceeding 010 on shaft or keyway e See REPAIRING BADLY WALLOWED KEY WAY on page 18 for procedure DISASSEMBLY 1 Tap component and key with hammer 2 Pull as usual 16 STRENGTHEN KEYED ASSEMBLIES HEAVY DUTY Dab of Loctite Press Fit Repair 660 or Loctite Threadlocker 242 here Loctite Press Fit Repair 660 O coating here ASSEMBLY 1 Clean all parts with a cleaner 2 Apply a Loctite Press Fit Repair 660 coating around shaft into keyway and on key 3 Assemble parts Wipe off excess 4 Apply a dab of Loctite Press Fit Repair 660 to screw 5 Tighten set screw 6 Allow 30 minutes prior to service Note If gap exceeds 005 use Loctite Klean N Prime on appropriate area shaft or keyway
23. tend Rust Treatment 1 qt bottle 75430 10 25 oz aerosol 633877 8 fl oz bottle 1381192 Form A Thread Stripped Thread Repair 12 9 ml 28654 LOCTITE PRIMERS SIZE ITEM NO Klean N Prime 4 5 oz aerosol 37509 LOCTITE RETAINING COMPOUNDS SIZE ITEM NO Bearing Mount 620 High Temperature 36 ml bottle 38652 Sleeve Retainer 640 High Strength 6 ml tube 37424 36 ml bottle 37484 Press Fit Repair 660 For Worn Parts 50 ml tube 38651 Bearing Mount 680 Relaxed Fits 36 ml bottle 37485 N ORDERING LOCTITE THREADLOCKERS SIZE ITEM NO Threadlocker 222 Low Strength 6 ml tube 38653 Threadlocker 242 Medium Strength 6 ml tube 37418 36 ml bottle 37477 Threadlocker 243 Medium Strength 6 ml tube 1330799 Blue Threadlocker Stick Med Strength 9 g stick 37643 19 g stick 37614 Quicktape 249 Threadlocker Tape Med Strength 260 Roll 1372603 Threadlocker 262 High Strength 6 ml tube 37420 36 ml bottle 37478 Threadlocker 271 Heavy Duty 0 5 ml ampule 27105 6 ml tube 37421 36 ml bottle 37479 Threadlocker 272 High Strength 36 ml bottle 37480 Red Threadlocker Stick High Strength 9 g stick 37701 19 g stick 37700 Threadlocker 277 Heavy Duty Large Bolts 36 ml tube 38656 Threadlocker 290 Penetrating 6 ml bottle 37423 36 ml bottle 37481 LOCTITE THREAD SEALANTS SIZE ITEM NO Thread Sealant 545 Pneumatic Hydraulic 36 ml bottle 37482 Thread Seal
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