Shaft Repair Service Manual
Contents
1. Primer Anaerobic adhesive fills airspace eliminating any micro movement between the parts Oil resistant removable strength Convenient semisolid anaerobic adhesive fills airspace eliminating any micro movement between the parts Removable medium strength A creamy non running gel ideal for filling surface imperfections and worn areas Ideal for gaps up to 0 020 A retaining compound recommended for continuous working temperatures up to 350 F 175 C Fills gaps up to 0 005 in diametral clearance Fixtures in 5 minutes Designed for press fits requiring high strength Anaerobic adhesive fills airspace eliminating any micro movement between the parts Oil resistant removable strength Non rusting ferro silicone filled epoxy Extremely high compressive strength and wear resistance Sets in 20 minutes A creamy non running gel ideal for filling surface imperfections and worn areas Ideal for gaps up to 0 020 Metal free general purpose lubricant Lubricates and protects especially well during break in and under high loads up to 750 F 400 C Nonaqueous hydrocarbon based solvent for cleaning and degreasing surfaces to be bonded with adhesives as well as any general purpose industrial cleaning Use with Loctite retaining and threadlocking products to speed the cure on active metals or to ensure cure on inactive metals stainless steel aluminum plated parts etc 50 ml 24078 19 g stick 37087 502. Stick to the key 3 Insert the key into the keyway Wipe off excess adhesive 5 Allow to cure before assembling the shaft mounted component SOLUTION 1 Loctite 660 Retaining Compound is a very thick product allowing it to fill large gaps STEPS TO REPAIR 1 Clean shaft keyway and key stock with Loctite ODC Free Cleaner amp Degreaser 2 Apply Loctite 660 Retaining Compound into the worn keyway 3 Insert the key into the keyway wipe off excess and allow to cure 4 Assemble component as usual E Eliminates micro movements that can lead to fretting LOCTITE JH E Prevents keyway KL wv e H wear KSE ma E Prevents corrosion ES CH E Eases disassembly ST Le LOGTITE Keyed Assemblies 1 SOLUTION 2 1 SOLUTION 3 For badly worn keyway fill in worn keyway and cut new keyway Repairing badly worn keyed assemblies by resizing the existing keyway STEPS TO REPAIR 1 Resize the worn keyway If parts are very badly worn it may be necessary to cut new keyways In this situation the old keyways can be filled as described below 2 Select proper keystock to fit the new keyway STEPS TO REPAIR 3 Machine a step in the new key to fit the female component 1 Clean parts with Loctite ODC Free Cleaner amp Degreaser 4 Clean parts with Loctite ODC Free Cleaner amp Degreaser 2 Apply Loctite Fixmaster Superior Metal into the keyway of 5 Apply Loctite 648
3. bonding area Re clean parts Apply a bead of repair adhesive to circumference of the shaft at leading edge of the component Apply adhesive to both parts of assembly In the case of a shrink fit using thermal energy for assembling apply adhesive onto the cold part coating the entire engagement area Assemble shaft mounted component in some cases heat should be applied to the transition fit Wipe off excess and allow to cure RESULTS E Adhesive fills airspace sealing from leaks rust and corrosion E Eliminates micro movement between component and shaft E Provides 100 contact distributing loads and stress evenly Securing Cylindrical and Taper Joints CHALLENGE Prevent bearing spinout corrosion and component damage CAUSES Bearings are prone to spinning either on their shafts or within their housings This results in damage to these parts regardless of whether or not they are a press shrink or slip fit The airspace that exists between a bearing and shaft is an area where rust can form and cause damage to the parts and can also be a leak path for fluids E Airspace allows micro movement leading to fretting and corrosion OENE Retain joints using Loctite 609 General Purpose or Loctite 648 High Strength Retaining Compounds STEPS TO REPAIR 1 Clean parts with Loctite ODC Free Cleaner amp Degreaser 2 Apply a bead of Loctite Retaining Compound to the circumfer
4. for cleaning parts prior to adhesive bonding Loctite 7649 Primer W Use in combination with Loctite Retaining Compounds W Increase cure speed on passive surfaces such as stainless steel aluminium and plated metals Gala DIS Ia CAUSES Out of tolerance machining results in loose components this leads to micro movement and wear SOLUTION 2 Load produces axial forces that are higher than original calculations Insufficient interference or inappropriate loads lead to spun bearings Use of components in aggressive environments and at elevated operating temperatures STEPS TO REPAIR 1 Determine appropriate size of sleeve 2 Create a transition fit joint between shaft and Sleeve for tapered joints create a press fit 3 Ensure the outside diameter is the specified shaft diameter for a taper joint the outside diameter should be the nominal diameter of the original cone 1 SOLUTION 1 4 Roughen the surface 5 Clean parts with Loctite ODC Free Cleaner amp Degreaser 6 Apply a bead of Loctite 648 Retaining Compound to STEPS TO REPAIR the circumference of the shaft at the leading edge of the 1 Using a lathe undercut the shaft in the worn area component to be inserted Apply the adhesive to both parts Repair worn shaft as follows Shaft diameter 13 mm to 25 mm desired i oe SS un of the assembly In the case of a shrink fit using thermal Unitize assembly undercut 1 5 mm Sha
5. Retaining Compound to the keyway Leg both the shaft and collar Fill all the available space Allow to cure of the shaft where there is a high power application apply Loctite 648 onto the whole shaft at the engagement area 6 Assemble the key into the shaft Wipe off excess adhesive LA If a rounded surface is required machine the repair to the original dimensions of the shaft and bore of the collar 4 Machine a new keyway in the shaft and collar opposite the original keyway 5 Re clean parts with Loctite ODC Free Cleaner amp Degreaser 6 Apply several drops of Loctite 243 Threadlocker directly into the new keyway and insert key 7 Wipe off any excess adhesive 8 Assemble the components 9 Allow to cure Allow product to cure BW Restores assembly so it is ready for service without a major overhaul LOCTITE E Secures the key in 648 the keyway RETAINING COMPOUND Re e E Eliminates micro PRESS FIT 2 movements that lead to fretting Neng E Eliae Pinay Sien CH ran na 21 44 sch Aal E Prevents corrosion RET 4 00 a ui mlj K 3 a Ki e reng oss 0 u LE beet trom unecessary fretting and weal CAUSES SS Wear will occur where there is friction and movement in the spline coupling SS Contamination between shaft and socket CAUSES Out of tolerance machining of components leads to micro movement and wear Alternating loads Worst case combi
6. Shaft Repair Service Manual THIS PRODUCT GUIDE has been designed to provide quick and easy assistance to the professionals responsible for the maintenance and repair of shaft assemblies With the help of this guide you can Easily select the right way to repair a variety of shaft assemblies Pinpoint the most suitable repair method for worn parts or prevent wear proactively Determine the best Loctite product for your particular maintenance or repair problem Most shaft assemblies are incorporated into systems carrying a significant capital equipment value It is therefore vital to maximize their useful lives and ensure reliable performance Proactive maintenance can reduce down time enhance reliability and dramatically cut costs There is a comprehensive range of LOCTITE PRODUCTS to Repair and prevent common failures to extend end product life and minimize downtime Reclaim worn or damaged assemblies to avoid scrap and replacement costs Assist in assembly installation and disassembly Help ensure reliability and smooth running by restoring performance to as new condition Profit from RELIABILITY At Henkel we understand the problems you face in ensuring reliability safety and durability We provide a wide range of industry leading products for cost efficient easy and effective shaft maintenance and repair When equipment fails the greatest concern is getting it running again Loctite products not only provide reliable on s
7. al Loctite 648 Retaining Compound Non rusting ferro silicone filled epoxy Extremely high compressive strength and wear resistance Sets in 20 minutes A retaining compound recommended for continuous working temperatures up to 350 F 175 C Fills gaps up to 0 005 in diametral clearance Fixtures in 5 minutes Designed for press fits requiring high strength Securing Cylindrical and Taper Joints Press Fit Mounting components to shaft Slip Fit Mounting components to shaft Mount components requiring medium to large gap fill Prevent bearing spinout corrosion and component damage Loctite 648 Retaining Compound Loctite 668 Retaining Compound Loctite 609 Retaining Compound Loctite 620 Retaining Compound Loctite 680 Retaining Compound Loctite 660 Retaining Compound Loctite 609 Retaining Compound Loctite 648 Retaining Compound A retaining compound recommended for continuous working temperatures up to 350 F 175 C Fills gaps up to 0 005 in diametral clearance Fixtures in 5 minutes Designed for press fits requiring high strength Convenient semisolid formula Withstands temperatures to 400 F 204 C Ideal for gaps up to 0 005 in diameter Low viscosity adhesive for bonding cylindrical assemblies Ideal for gap distances up to 0 005 diametral clearance Fixtures in 10 minutes High temperature resistance up to 450 F High viscosity secu
8. ence of the damaged shaft at the leading area of the component E Fills airspace 3 Press the bearing onto the shaft using sealing from leaks normal techniques rust and corrosion 4 Wipe off excess material E Reduces shaft and or bearing housing E Eliminates micro movement between _ bearing and shaft that LOCTITE could lead to 609 fretting damage QUESTIONS ET E Provides 100 To speak with someone in our technical service SE CH ee department or to contact your local Loctite product EE evenly specialist call 1 800 LOCTITE 562 8483 or Let r 1 800 263 5043 in Canada LOCTITE Keyed Assemblies Gala DIS Ia CHALLENGE Preventing keyway wear Repairing worn keyed assemblies CAUSE CAUSES W Inanew assembly the fit between the key and keyway is usually tight however BW Alternating loads and combined loading results over time wear can cause this fit to loosen leading to damage to the keyway in micro movement wear and loose parts BW Over time wear can cause keys to loosen leading to damage of the keyway WW Out of tolerance machining OST Loctite Medium Strength Threadlockers are appropriate for gap fill and will provide needed medium strength while allowing easy removal for servicing STEPS TO REPAIR 1 Clean parts with Loctite ODC Free Cleaner amp Degreaser 2 Apply several drops of Loctite 243 Threadlocker into the keyway or apply Loctite 248 Threadlocker
9. ft diameter 25 mm to 75 mm energy for assembling apply the adhesive onto the cold distributing load desired undercut 3 mm part coating the complete engagement area evenly 2 Dovetail the ends of the worn area to anchor the 7 Assemble sleeve in some cases heat should be applied to Prevent donnine application into place the fit and scrap costs 3 Finish undercutting by machining a rough cut surface Prevent downtime 8 Wipe off excess adhesive Bora eg Rz 100 um The larger the shaft diameter the and scrap costs by 9 Allow adhesive to cure components against coarser the ar reparing worn shaft 10 Follow the same procedure for press fit joints between wear abrasion and 4 Clean parts with Loctite ODC Free Cleaner amp Degreaser Epoxy solution uses the sleeve and bearing chemical attack 5 Apply avery thin layer of Loctite Fixmaster Superior standard machine Metal and force it into the rough surface finish Turn the tools no special Shaft at a very low speed and continue to apply adhesive equipment or using a putty knife or similar tool Build the surface above training required the final desired level 6 Allow the adhesive to cure for 12 hours at room temperature If necessary apply dry heat to the repair area to speed the cure 7 Machine the repair to the required dimensions GET Cut the material when the component is dry using carbide or Superior Metal high speed steel If polishing is required use an abrasi
10. ice manual industrial Gearb Loctite Industrial Gearbox Service Manual T mn Sur This guide is designed to provide quick and easy assistance to professionals who EN service industrial gearboxes and look for reliability longevity and cost reduction To get a copy of this guide visit our website or call us at 562 8483 and reference literature LT 4872
11. ite repair capability but emergency repair and service solutions that last or even extend the lifetime of your equipment Our focus on increasing reliability through the protection of our customers equipment facilities and people delivers maximum value to the maintenance process Loctite Product Guide to maintenance and repair of shaft assemblies 000 i Shaft Repair Product Application Diagram of applications for problem solving using Loctite products 0 000008 2 EG Sa nh a 4 Securing Cylindrical and Taper Joints Reliably Sofiane to SMa a D E 6 Preventing bearing spinout corrosion and component damage e ee eee 7 a D a bf ir Preventing keyway wear ffe A Sa MBB a et 8 Repairing worn keyed assemblies rs Jr en I TL 9 Spline Assemblies Reliably securing fixed spline assemblies ss ows os oe 12 Lubricate and protect sliding spline assemblies E NENNEN 13 Comprehensive list of Loctite product solutions and benefits esse 14 Additional Tools and Services 16 To speak with our technical service department or to contact your local Loctite product specialist call 562 8483 or in Canada or visit us online at LOCTITE Prevent Keyway Wear see page 8 Eliminate the micro movement that leads to keyway wallow and fretting E Prevent keyway wear W Prevent corrosion E Ease disassembly Repair Worn Keyways see page
12. ml 66040 50 ml 21444 50 ml 24078 1 Ib kit 97473 4 kg kit 40900 50 ml 66040 8 oz brush 51048 top can 1 Ib brush 51049 top can 15 oz net wt 22355 aerosol 1 75 fl oz bottle 02 25 g net wt 31347 aerosol can 10 11 11 LOCTITE Additional Tools and Services At Henkel Corporation we invent more than just quality Loctite brand products we provide solutions to some of industry s biggest challenges Whether looking to reduce costs increase the reliability of equipment or assist in product application Henkel is dedicated to earning and keeping the trust of our customers tand Equipment Reliability n E Manufacturers w Ki i d RR 7 a r Mi i ra i i L Zi u i Loctite Plant amp Equipment Reliability for Manufacturers Two hours of on site training reviewing common maintenance challenges and the appropriate Loctite product solution customized to the needs of your plant Visit our website to learn more download literature LT 3690 or contact your local Loctite Specialist to schedule a workshop Industrial Pumps Loctite Industrial Pump Rebuild and Maintenance Guide r This comprehensive guide details the assembly and repair steps that can be taken to td ji IS increase efficiency and reduce or eliminate common failures with centrifugal pumps To get acopy of this guide visit our website or call us at 562 8483 and reference literature LT 4047 ox serv
13. ned loading Damage during assembly Be e e A a P Arts I CH vo Lei D Incorrect assembly due to contamination of the parts le EN Incorrectly specified spline drive producing overload during operations GET STEPS TO REPAIR 1 Clean mating surfaces before application with Loctite ODC Free Cleaner amp Degreaser OENE fa ed s al In e assempD T WICI EE 2 Coat mating surfaces with Loctite STEPS TO REPAIR Moly Paste 1 Create a chamfer on the leading edges of the socket if there isn t one using a file or grind ing wheel 3 Assemble parts RESULTS E withstands extreme pressure and heavy loads 2 Abrasive blast the surface of the splines 3 Clean parts with Loctite ODC Free Cleaner amp Degreaser R E S U LTS 4 Apply Loctite 660 Retaining Compound to the shaft Do not apply product into E Restores assembly the socket so it is ready for 5 Immediately push the spline toothed shaft service without a major overhaul into the socket and remove excess adhesive BW Prevents wear caused by friction for long lasting assemblies BW Prevents corrosion H WE Reduces scrap and 4 6 Allow the adhesive to cure before returning Ces 5 to service costs by salvaging Moly Paste components ene dei E Reduces downtime ry st 3 gek ET UG DI gg em Se SS Repairing badly worn shaft Sleeving Loctite Fixmaster Superior Met
14. ring cylindrical assemblies up to 0 015 diametral clearance A high strength retaining compound capable of filling diametral gaps up to 0 015 Allows for more relaxed machining tolerances A creamy non running gel ideal for filling surface imperfections and worn areas Ideal for gaps up to 0 020 Low viscosity adhesive for bonding cylindrical assemblies Ideal for gap distances up to 0 005 diametral clearance Fixtures in 10 minutes A retaining compound recommended for continuous working temperatures up to 350 F 175 C Fills gaps up to 0 005 in diametral clearance Fixtures in 5 minutes Designed for press fits requiring high strength 1 Ib Kit 4 kg Kit 50 ml 50 ml 19 g stick 50 ml 50 ml 50 ml 50 ml 50 ml 50 ml 97473 40900 21444 21444 39148 60931 62040 68035 66040 60931 21444 Prevent keyway wear Repair worn keyways Loctite 243 Threadlocker Loctite 248 Threadlocker Loctite 660 Retaining Compound Loctite 648 Retaining Compound Loctite 243 Threadlocker Loctite Fixmaster Superior Metal Spline Assemblies Securing fixed spline assemblies Protect sliding spline assemblies from fretting and wear Loctite 660 Retaining Compound Loctite Moly Paste Cleaner and Primer Cleaning and degreasing prior to bonding Priming components Loctite ODC Free Cleaner amp Degreaser Loctite 7649
15. s 9 11 Loctite 660 Retaining Compound and Loctite Fixmaster Superior Metal E Repair and restore wallowed keyways without a major overhaul E Prevent corrosion E Eliminate the micro movement that leads to fretting Loctite 243 and 248 Threadlockers Shaft Repair Product Application see pages 4 5 Loctite Fixmaster Superior Metal Rebuild worn surfaces with metal filled epoxy Lubricate and Protect Spline Assemblies see pages 12 13 Loctite Moly Paste Machine the shaft after repair to the original diameter Return to service quickly without major overhaul SS Prevent wear caused by friction SS Prevent corrosion SS Withstands extreme pressure and heavy loads Secure Cylindrical and Taper Joints see pages 6 7 Loctite Retaining Compounds Recover worn or incorrectly machined components Prevent corrosion E Create 100 contact load and stress distributed evenly over the joint E High and moderate strength products can carry high loads E Eliminate fretting Prevent bearing spinout Secure Fixed Spline Assemblies see pages 12 13 Loctite 660 Retaining Compound SS Eliminate micro movement that leads to wear SS Prevent corrosion see pages 4 5 Loctite 648 Retaining Compound For badly worn shafts High load applications Additional Loctite Products Loctite ODC Free Cleaner amp Degreaser W Use with all repair methods
16. ve paper Siess Ess ibm bell iise Note When mounting components to the rebuilt surface with C6 SES Are Loctite Retaining Compounds Loctite 7649 Primer is required eet LOGTITE OTIT Reliably secure components to shaft CAUSES OENE Out of tolerance machining results in loose components leading to micro movement and wear Load produces axial forces that are higher than original calculations Insufficient interference or inappropriate loads lead to spun bearings Use of components in aggressive environments and at elevated operating temperatures Mount components to shaft using Loctite Retaining Compounds STEPS TO REPAIR First select the proper repair adhesive according to the extent of component wear or gap fill required i Type of Fit Loctite Retaining Compound Benefit Maximum Repair Gap Cure Time Setup Full Strength nn 648 High Strength Rapid Cure up to 0 005 0 1 mm 5 minutes 24 hours up to 0 005 0 1 mm 30 minutes 24 hours Loctite 609 General Purpose up to 0 005 0 1 mm 10 minutes 24 hours Loctite 620 High Temp up to 0 015 0 4 mm 30 minutes 24 hours Loctite 680 High Strength up to 0 015 0 4 mm 10 minutes 24 hours Medium to Large SE Loctite 660 Restore Worn Parts up to 0 020 0 5 mm 20 minutes 24 hours Clean parts with Loctite ODC Free Cleaner amp Degreaser Roughen the shaft mounted component and shaft with abrasive paper at the
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