F/CLOSED/PACKEDSEAL 7/03
Contents
1. along the FIGURE 11 1 6 mandrelasshown When removing rings from mandrel them off without opening the rings This is especially important for metallic types Do not open with a hinge like action see Figure 11 2 11 4 Check condition of stuffing box and the shaft in the sealarea If eitherare rough orscored it needs to be reworked orreplaced Without repairing the damaged areas gland take up would then result in distortion of the rings and over compression of the packing on the mixer shaft The packing would not seal properly and bum out sooner damaging the seal area more If wearing in the sealarea isevident contactthe factory forrecommendations 115 Coatnew ringsto be installed with a 9 4 lubricant to assist installation and to help establish a proper initial break in Do not use on food grade packings liquid oxygen service nitric FIGURE 11 2 FCPGSM 7 04 acid othernon compatible application Check position of all gland parts against the cable seal drawing Replace wom ordamaged parts for proper seal 11 5 Install rings over the shaft by twisting open as shown in Figure 11 2 This is especially important for metallic rings NEVER open rings with hinge like action 11 6 Insert rings one at a time with the joints ta g gered 90 apart for 2 ring low pressure seals stagger 180 Seat each ring individually compre2. BEARING SPOOL bee ELON GEAR 512 SERVICE WINDOW Se ie 513 SERVICE WINDOW GASKET 600 MIXER SHAFT 221 GEARBOX BEARING xus er ine 223 GEARBOX LIP SEAL EARN 651 4 SPLIT COUPLING BOLTS 230 BEARING RETAINER NOTE WHEN ORDERING PARTS GIVE SERIAL NO AND SHAFT SIZE DENOTES RECOMMENDED SPARE PART FCPGSM 7 04 11 SECTION 13 GEAR DRIVE DISASSEMBLY 13 1 Disconnect the power from the mixer WARNING High voltage and rotating partscan cause serious or fatal injury Lockout power before sevicing 13 2 Rebuilding the drive unit is best accomplished by removing the entire mixer from the tank Remove the impeller from the shaft before removing the mixer from the mounting flange 13 3 Remove the service window Loosen the two bearing setscrews and the two lower coupling bolts Loosen the followernuts 452 13 4 Remove the mixer shaft 13 5 Remove the four bolts mounting the bearing spool 510 to the stuffing box housing Remove the drive from the housing The stuffing boxcan be repacked at this time if needed see Section 11 13 6 Remove the three motor bolts and the motor may be lifted off the gearhead assembly Remove the four 4 3 8 gearhead assembly boltsand lift off the gearboxhousing 203 The bearing plate may now be removed with the gear gearshaft and coupling assembled Clean the assembly of grease and rinse with mineral spirits Handling the
3. 9 Regular maintenance isthe best assurance of trouble free long life mixer operation Inspect and relubricate at regularintervals Frequency and thoroughness depends on operation nature of service and environment Priorand during start up please checkthatthe following things have been done a Manualhasbeen read and followed b Coupling boltstight 3 16 hex tee wrench C Bearing setscrewstight 1 8 hex allen wrench d Impeller is immersed in liquid e Sufficient protection of motor if outdoors f Impeller s installed correctly see Section 3 g Impellers spaced if two or more for maximum and minimum liquid level see Section 3 h Impeller bolts tight i Al mounting bolts tight j Propertype and amount of lubricant when serviced see Section 7 Wiring comectly installed grounded and insulated Proper shaft rotation clockwise looking down m Properseal lubrication see Section 7 n Proper sal run in time allowed see Section 8 Steady bearing installed correctly see Section 5 p Comectvoltage amperage upon starting check against motor nameplate data q Excessive noise after start up r Excessive vibration of mixer support INSPECTOR E CEEC O CEC LLECCLEL Record __amps Record 5 _ 3 L DATE FCPGSM 7 04 SECTION 10 SIDE ENTRY RETRACTION 10 1 Side entry mixers are provided with shaft retraction de
4. EP2 6 3 Air motor lubrication Lubricator needsto be adjusted to feed one drop of oil for every 50 75 of airthrough the motor Use a detergent SAE 10 automotive engine oil 6 4 Seallubrication Vapor seal and high pressure packed glands need to be lubricated A zirc fitting is present on the mounting flange and needsto be greased every day A weight loaded lubricatoror other self lubricating device isavailible from Sharpe Mixers to aid in seal lubrication FCPGSM 7 04 FCPGSM 7 04 SECTION 8 SEAL START UP AND OPERATION 8 1 The purpose of packing isto control leakage not prevent it Packings must leak to perform properly otherwise they will bum up TFE packings are espe cially sensitive in this respect 8 2 DO NOTOVERTIGHTEN Permit generous initial leakage on side entry units Gradually take up gland nuts 1 6 tum 1 flat in hexnuts ata time Watch the temperature NEVER PERMITHEATTO DEVELOP IF HEAT DOES DEVELOP BACK OFF GLAND NUTS For top entry mixers the temperature must be monitored carefully for overheating during start up since there is no leakage of liquid Forside entry mixers tighten gland at 15 minute intervals until leakage is controlled without developing heat Fora 1 diameter shaft permit 5 to 20 drops per minute a 2 diameter shaft would be allowed to leaktwice asmuch TFE pack ings must be permitted to leak 30 drops per minute on a 1 diameter shaft 8 3 PROVIDE LUBRICATION particularly when mix
5. MOTOR CONNECTIONS cis cd tins dere ee a erR ER Penne Eruca ped 4 LUBRICA TIO pe rh De e obra ee LO Een Ore ed 4 SEAL START UP AND 5 OPERATION amp START UP ARP P m D 6 SIDE ENTRY E uu uo EE 8 STUFFING BOX REPAC KIN GORE I E L Sem um 8 DIRECT DRIVE uam offe rg ERR 9 GEAR DRIVE DISASSEMIBIBYemem ansaan 12 13 TROUBLE SHOO TNG ets 14 ESSO in E 16 CAUTION Because neither manufacturer nor seller can control the application or installa tion of this product their only obligation shall be to replace this part if defective and shall not be liable for any injury loss ordamage direct or consequential arising from the installation of this product User assumes all risk in using this product and istherefore cautioned in selecting the product suitable to the intended use Referto inside cover of this manual for Terms and Conditions SECTION 1 INITIAL INSPECTION RECEIVING AND S
6. shaft with a soft blockto prevent damage when removing the pinion gear The pinion gear may be removed from the motor shaft using a gear puller Use care notto chip the teeth of the hard ened gear Apply heatto breakthe adhesion of the Loctite 13 8 To reassemble a new gearon an existing motor clean all parts and trial fit the pinion gearon the shaft Neverpound the pinion gearinto place Assemble gearand key flush with the end of the motor shaft using Loctite amp 680 compound Remove any excess Loctite from the gear espe cially from the gearteeth If replacing both the motorand pinion gear Sharpe Mixers will normally supply the motor with the pinion gearinstalled Pack the gearboxfull of the appropriate lubricant see Section 7 Alwaysreference mixer serial number when making a partsinquiry or placing an order This serial numberis located on the Sharpe Mixer nameplate and on the front cover of the service manual 12 FCPGSM 7 04 SECTION 14 MIXER OFFSET GUIDE IMPELLER ROTATION P 3 FLANGE MOUNTING m A LONG OFFSET A LONG OFFSET SHORT C OFFSET 3NITH3 LN3O MNVL TANK CENTERLINE 1 SHORT OFFSET BEAM MOUNTING 9 16 HOLE 4 PLACES Dimensions are for reference only Use certified prints for construction Di
7. 53 FOLLOWER RING 454 LANTERN RING 456 FOLLOWER STUDS 459 GREASE FITTING NOTE HIGH PRESSURE SEAL SHOWN SEE DATA SHEET FOR YOUR SPECIFIC SEAL APPLICATION C DENOTES RECOMMENDED SPARE PART WHEN ORDERING PARTS GIVE SERIAL NO AND SHAFT SIZE 7X XXX VA IDy Sa 220 10 675 510 BEARING SPOOL 512 SERVICE WINDOW 513 SERVICE WINDOW GASKET 552 MOUNTING FLANGE HOUSING 600 MIXER SHAFT 650 COUPLING 651 4 SPLITCOUPLING BOLTS 672 RETRACTION COLLAR SIDE ENTRY ONLY 673 RETRACTION BOLT SIDE ENTRY ONLY 674 SEAL COLLAR SIDE ENTRY ONLY 675 SEAL COLLAR GASKET SIDE ENTRY ONLY 750 IMPELLER SEE OPPOSITE PAGE FCPGSM 7 04 GEAR DRIVE F SERIES 100 PUn bs 118 205 722 Sa a 28 por NI a 204 230 SUN 1 eS 21104 m Ww SASN 201 Du I NM WN _ A 227 221 223 512 510 513 510 650 e E 301 RN 5 360 600 231 GEAR SPACER RING _ 232 STAR WASHER 100 MOTOR 233 GEAR NUT 104 PINION GEAR KEY HAE ELA 118 GASKET 310 2 S S BRASS TIPPED SET SCREWS 201 BEARING FLATE 360 SHAFT LIP SEAL 504 510
8. IDS Solids can form asa result of heat which promotes evaporation Examples include any of the hot chemicalsalts The chlorides chlorates sulfates and sulfides Sharpe Mixers recom mendsan extemal flush with clean fluid The flushing pressure needsto be 25 psi greaterthan the tank pressure 8 35 CONGEALING LIQUIDS These liquids congeal because of a temperature decrease orexposure to air Sugar syrupsfall into both categories Good practice isto keep the fluid moving before congeal ing occurs Control the process with heat Asphalt and sugarsyrupsare typicalof liquids which congeal during cooling Be sure to heat thoroughly before start up during operation and after shutdown if followed by a purge Sharpe Mixers recommendsan extemal flush or purge with clean fluid The flushing pressure needsto be 25 psi greaterthan the tank pressure Some products such as glue molasses paint and sugars harden to a solid state when exposed to air An effective flush isa followerring flush which will keep airout of the product This type of flush doesnot enter the product but only mixes with the product leakage Sharpe Mixers recommends either an extemal flush with a non hardening liquid ora purge using a solvent ofthe liquid being mixed Vapor seal figure 8 4 8 4 Vaporseals Vaporsealsnomally come greased from the factory This will keep in vapors from the product but will not hold pressure See Section 7 for lubrication recommendatio
9. OPERATION and MAINTENANCE INSURUCTIONS SECTION 1 SECTION 2 SECTION 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION 10 SECTION 11 SECTION 12 SECTION 13 SECTION 14 SECTION 15 SECTION 16 1 1 Immediately upon receipt of the equipment check the crating and contents for any damage that may have occured in transit Report any damage immediately to the carrier and to Sharpe Mixers Check against the packing slip to be sure that all parts were received Report missing itemsto Sharpe Mixers 1 2 Mixerand impellers are normally packed to gether The mixer shaft is packed in a separate container Impellers are usually banded to mixer drive orlag bolted to drive skid Side entry mixersare normally shipped on one skid with the shaft installed and impeller lag bolted to the skid If space allows keep shipping containersfor possible future use 1 3 Storage storage iswhen a mixerhasbeen deivered to job site and isawaiting installation b FCPGSM 7 04 fOr SHARPE MIXERS CLOSED TANK P SERIES MIXERS with VAPOR SEAL PACKED GLAND TABLE OF CONTENTS PAGE INITIAL INSPEC TION RECEIVING AND STO RAG Eusirus naiai 1 2020 2 INSTALLING THE MIXER SHAFT 6 2 mI 2 INSTALLING THE STEADY BEARING optional 3
10. Q 1750 MAXIMUM R P M H P 0 25 05 075 1 0 1 2 CFM 14 22 30 39 48 P S I 20 40 60 80 100 TABLE 9 1 products of dissimilar viscosities and or spec ific gravitiesthe lighter or less viscous material should be introduc ed first Gradually add the heaviermaterial orpowdersinto the centerofthe tank while the agitatorisrunning Neverdump large amounts of powderorsolids into the mixing tank This may create clotting or sanding in of impeller and cause damage to the equipment CAUTION Do not start mixer with impeller buried in solids or with liquid solution solidified Damage will occur 9 5 If impellerisburied in solids priorto starting mixer solids must be dispersed This may be achieved with an airhose a recirculating pump ora large stiming stick if necessary 9 6 Keep motorsfree from oil dust dirt water and chemicals Keep airintakes and outlets 6AM AIR MOTOR Q 1750 MAXIMUM R P M H P 0 5 0 5 1 0 2 2 2 6 23 39 53 68 82 P S I 20 40 60 80 100 TABLE 9 2 FCPGSM 7 04 free from foreign matenal Electric motors supplied although designed for outdooruse may be dam aged due to weather A rain hood orother protec tion may be necessary to prolong motor life Consult factory forrecommendations 9 8 Do not drive air motors above 1750 R P M See Table 9 1 and 9 2 for properair consumption and pressures 9 10 Start Up Checklist 9
11. TORAGE mixer has been installed but regular operation is delayed c there are long idle periods between operating cycles and d plant department opera tion is shut down Store mixerin clean dry location with circulating airfree from wide variations in temperature Electric motors are easily damaged by moisture Store the entire unit off the floor covered with plastic and use desiccantsto reduce moisture build up Do not sealthe plastic coverasthistraps moisture If the motor shows signs of moisture absorp tion before start up dry the motorout by applying 10 voltage on two leads if in doubt measure resistance in windings This will give approximately 5096 rated cument There are also spraysavailable to help dry out motors Relubricate motor before start up when in storage sx monthsormore When gear drive models have been in storage for more than a year the condition of the gearlubricant needsto be inspected see Section 7 Lubrication SECTION 2 MOUNTING 2 1 Flange mount Standard 150 flanges are provided Referto the Data Sheet in the front of this manual forthe specific size supplied A gasket needs to be installed between the tank nozzle and the mixer flange to stop leakage of tank contents and keep tank pressunzed Using lock washers ordouble nutting the mounting bolts is recommended to prevent bolts from loosening by equipment vibration 2 2 Mounting structure must be stable and strong enough to hold the full m
12. XERS skip paragraph 3 2 asthe mixer shaft is installed at the factory 3 2 Remove the service window from the mixer spool so the bearing and coupling are visible see page 100r11 Rotate the coupling until the two coupling bolts are accessible Install the mixer shaft with the end marked motor end up through the shaft seal packing lip seal bearing and into the drive coupling 650 Be sure of full engagement of the shaft into the split coupling DO NOTuse oil to aid in assembly orslippage may occur Using the 3 16 hex wrench supplied TIGHTEN THE TWO BOLTS IN THE amp 1 COUPLING 651 gripping the mixer shaft in position Tighten SEC URELY asthese bolts transmit the mixer torque TIGHTEN THE TWO BEARING SET SCREWS 310 Il using the 1 8 hex wrench provided SECTION 4 POSITONING WARNING Always lockout power before postion ing orrepositioning the mixer 4 1 The following drawingsare for reference only If there isany question conceming the proper position of your F series mixer please contact your Sharpe Mixers representative orthe factory as your specific application may be different than recom mendations shown 4 2 Iftankdiameteris approximately equal to liquid depth use 1 prop placed atleast 2 prop diameters from the bottom of the tank 4 3 See drawing A2787 in 4 4 section 14 for angular offset mounting dimensions Consult factory for special applications includ
13. ay be separated SIANDARD DIREC T DRIVE IM PELLERS O MARINE PROPELLER FCPGSM 7 04 12 7 BEARING AND SEAL REMOVAL Place the mixer spool benchpress with the motor mounting face down Use a 1 1 2 diameterarborin presson top ofthe lip seal and pressthe lip seal and the bearing down and out of the spool 12 8 Reinstall the bearing from the inside of the spool using LOC TIE sealant 609 or better to hold the bearing in place The lip seal should be installed from the outside of the spool into position as shown in the drawing 12 9 To reassemble reverse procedure being sure thatthe shaft hasfull engagement in the split cou pling and allfastenersare tight for side entry units a gap of 1 16 must be maintained between the seal collar gasket and the flange HIG H SHEAR DIRECTDRIVE SERIES C 453 100 MOTOR 301 SPOOL BEARING 7 T A Y 305 NI GRAPHALLOY BUSHING NOT SHOWN 310 2 S 5 BRASS TIPPED SET SCREWS 360 SPOOL SEAL 451 PACKING 452 FOLLOWER PLATE lt 4
14. ft axis FCPGSM 7 04 APPLY POWER WITHOUT STEADY BEARING INSTALLED The center of this inscribed area will be the location forthe centerofthe steady bearing 5 2 The steady bearing must be securely installed with its vertical centerline coincident with the axis of rotation asestablished The amount of lateral movement required to bring the shaft into proper alignment with the final steady bearing location will vary depending upon the shaft length and diameter 5 3 The steady bearing isa wearing part and should be checked periodically for wear Path of shaft when x rotated by hand pL Y E N Shaft axis and final location of centerline of steady bearing for properrotation FIGURE 5 1 SECTION 6 MOTOR CONNECTIONS WARNING High voltage and rotating partscan cause serious or fatal injury Electric machinery can be hazardous Installation operation and mainte nance of electric machinery should be performed by qualified personnel Familiarity with NEMA safety standards National Electric Code and local building codesare required 6 1 Wiring Starting and overload contol devices must be matched to motorrating Follow control manufacturer s instructions for proper connections and installation 6 2 Electrical connections must conform to National Electrical code and alllocal regulations Line voltage and wire capacity must match motorrating stamped on motor nameplate 6 3 Electric moto
15. gearshaft sub assembly is best accomplished using a piece of round barthe same diameterasthe mixer shaft Clamp the round barin a bench vise and tighten the drive coupling onto the round bar If a round barisnot available clamp the coupling in the vise using two pieces of wood so asnot to damage the coupling To remove the gearnut first bend down the locking tab on the star washerfrom the slot in the gearnut Using a spanner wrench loosen the gear nut from the shaft Remove the gearnut and the star washer The slow speed gear may be removed using a gear puller if istoo tight to remove by hand Gearteeth are hardened and are easily chipped Use care when handling Loosen the upper two coupling bolts and remove the gearshaft bearing plate assembly from the coupling Place the subassembly in a press with the threaded end of the ee HYFLO Il ENERGY EFFICIENT IMPELLERS ARE STANDARD ON GEAR DRIVE F SERIES MIXERS shaft pointing up Remove the spacerring from the gear shaft Pressthe gear shaft down out of the bearing plate Remove the four 1 4 cap screws and the bearing retaining ring 230 Tum the bearing plate upside down so that the lip seal ison top Using a 2 diameter arbor press the lip seal and the bearing out of the bearing plate See Section 12 7 for removal of bearing and lip seal in the spool 13 7 To remove the pinion gea r 204 from the motor shaft first clean the pinion gearof grease Support the motor
16. ing non lubricating liquids A zirc fitting is standard from the factory for lubrication see section 7 3 for lubrica tion instructions For flushing remove the 1 8 npt zirc fitting and replace with flushing lines not included Whenever flushing through a seal a clean liquid having lubricating properties must be used 8 3 1 SEALING ABRASIVE LIQUIDS Abrasivesisa term describing slumes congealing liquids and crystallizing salts These applications may damage the equip ment and present a sealing challenge forpacking glands The solution involves flushes purges and temperature controls Sharpe Mixers recommends shaft hardening or hard facings such as Stellite Chrome Ceramic or Tungsten Carbide forthese applications 8 3 2 SUSPENDED SOLIDS Examples of solids which are suspended in liquids include starch conta mi nated ormuddy water sand and other sumes extemal flush of liquid through a lantem ring is recommended The flushing pressure needsto be 25 psi greaterthan the tank pressure 8 3 3 PRECIPITATING LIQUIDS Examples of precipitat ing liquids include caustic soda calcium hydroxide and ammonium nitrate Precipitation occurs because of a change in concentration ortemperature of the liquid The resulting suny can be very abrasive and destroy the packing Sharpe Mixers recommendsan extemal flush with clean fluid The flushing pressure needsto be 25 psi greaterthan the tank pressure 8 3 4 EVAPORATING LIQU
17. ing square rectangular tanks If tank height is greater than 1 5x the diameter use 2 props Position lowerprop atleast 2 prop diameters from bottom Place upper prop halfway between bottom and top of liquid level FCPGSM 7 04 45 Fordrawing down light powders position mixerin center oftankto create a vortex A vortex may not be recommended forsome products Depth of prop will vary vortex 4 6 may be used to prevent vortexing when mixer is mounted on center Baffling may not be required with more viscous products or square rectangular tanks SECTION 5 INSTALLING THE STEADY BEARING optional equipment 5 1 This section isforthose mixers which include the optional steady bearing to accommodate longer than standard mixer shafts A steady bearing must be installed only afterthe drive assembly and lower mixer shaft have been assembled and firmly bolted in place DO NOTpredetermine the exact bearing location from tank and mixeroutline dimension drawings The vertical centerline of the steady bearing must coincide with the shaft s axis of rotation to minimize bearing preload see Figure 5 1 This axis may not necessarily be atthe centerofthe tank The mixer shaft must be hand rotated using input shaft coupling ormotorfan with a fixture attached to the shaft to mark a line on the tank bottom NEVER Bow in shaft greatly exaggerated for clarity Sha
18. ixer weight torque and overhung moment Please contact Sharpe Mixersfor these values if they are not listed on the outline dra wing in the front of the manual Mounting to an unstable support may cause unac ceptable mixing damage to the equipment tank or other hazards 2 3 Side Entry Flange mount Tie rodsare normally provided with side entry mixers The tie rods need to be positioned approximately 45 above horizontal and 45 from the mixer shaft centerline These aid in the support of the mixerand need to be attached securely see paragraph 2 2 for mounting strength requirements If pipe legsare supplied see specific mixeroutline drawing else where this manual for pipe leg size required SECTION 3 INSTALLING THE MIXER SHAFT amp IMPELLER referto pages 10 or 11 WARNING Alwa yslockout power before installing orremoving mixer shaft or impeller 3 1 The mixer shaft will have one end marked motor end ground to fit the drive bearing and coupling Slide the impeller s onto the opposite end with the concave side ofthe bladesfacing AWAY from motor end of shaft A single impelleris best mounted atthe end of the shaft or 1 2 prop diameters above tank bottom The upper impeller if supplied is normally mounted a minimum of 2 impeller diameters below the liquid surface Tighten the set screws securely High horsepower units will ha ve divots into which the set screwsshould be tightened FOR SIDE ENTRY MI
19. lar These bolts when tightened will now press against the spool and drive the shaft back into the tank Move the mixer shaft back approxi mately 1 8 into its original position 10 6 Tighten the two coupling bolts 651 Tighten the two bearing setscrews 310 Reinstall the service window 512 and gasket a Remove the retraction bolts from the collar 672 Move the collar away from the spool into its origional position and tighten collarin place Reinstall the two retrac tion bolts into the tapped holes in the spool for storage The mixeris now ready forservice See Section 9 forstart up and operation SECTION 11 5 BOX REPAC KING 11 1 PACKING TOOLS Special flexible corkscrew tools specifically designed forpacking make seal servicing an easy task These tools are availible from Sharpe Mixers 11 2 Remove the old rings If a lantem ring is present there are 4 slots cut into the outside edges This helpsthe packing tools grab the lantem ring for removal Before installing the new rings be sure that the new packing isthe propertype and size for your application see Data Sheet in front of manual 11 3 Ifthe packing rings are purchased from a vendorotherthan Sharpe Mixers it is likely that the rings will ha ve to be cut To do this wind the packing around a mandrel of the same diam eterasthe mixer shaft for the desired number of rings see Figure 11 1 Cut rings by making a straight cut
20. mensions are in inches 1 REFER DATA SHEET FOR DIMENSIONS 2 MINIMUM MOUNTING CHANNEL REQUIRED TANK DIA UP TO 96 4 x 7 25 TANK DIA OVER 96 6 8 2 SS 3 OFFSET DIMENSIONS ARE TO CENTERLINES ON TOP OF FLANGE TANK DETAIL FOR ANGULAR OFFSET PLATE MOUNTING FCPGSM 7 04 13 TANK MNT ANGLE OFFSET S by KWS 11 97 revision 1 7 20 04 PROBLEM Shaft will not fit into drive SECTION 15 TROUBLE SHOOTING GUIDE POSSIBLE CAUSE Wrong end of shaft only one end fits 2 bearing set screws extend into bearing bore 2 coupling bolts 651 too tight Shaft over size properdia 0 001 0 002 under nominal dia Wrong size shaft 600 coupling 650 or bearing Damaged shaft coupling or bearing SOLUTION Install end marked motor end eLoosen set screws Loosen bolts Measure and consult factory Consult factory Consult factory e Mixer will not start Incorrect wiring Loose connections e Blown fuse Incorrect voltage Mechanical jamming Water damage to motor Wrong size heaters in starter Check wiring diagram and wire Check and tighten connections Replace fuse Wire for comect voltage Free all debrisforrotation Service orreplace motor Replace heaters Mixer will not reach speed Overload of motor Loose drive coupling bolts 651 e Air moto
21. nge to correct lubricant eCheck bearings gears replace if necessary Apply lubricantto lip seal Bearing failure High temperature product Excessive overhung load Waterdamage See all items under Noisy Provide heat shield Consult factory Replace bearing check all other parts Gearfailure Exc essive loading Consult factory check amps Lack of orimproper Fill with recommended lubrication lubricant or equivalent see Section 7 Start stop start loading Free impellerof any solids at product burying start up pre stir with air hose impeller with solids or paddle Foreign material in Replace lubricant lubricant Oilleakage Excessive lubricant Check manualforproper FCPGSM 7 04 Damaged broken gasket Loose bolts around side plates Seals wom or damaged 15 amount lubricant and drain excess Replace gasket eCheck and tighten bolts Replace seals PROBLEM POSSIBLE CAUSE SOLUTION e Shaft vibration e Impeller not immersed Fill tank in liquid e Impeller too close to e Fill tank or lower impeller surface see Section 3 Bent mixer shaft e Consult factory Unstable mounting platform Reinforce platform Operating at critical speed Consult factory Sealleakage Properamount of leakage See Section 8 Wom packing Replace packing Scored shaft Replace shaft and packing AIR HLTER REGULATOR LUBRICATOR An airfilter regulator and lubricator m
22. ns Low pressure packed gland figure 8 5 8 5 Low pressure packed gland Two rings packing is standard from the factory This gland isdesigned for 15 psi of tank pressure High pressure packed gland figure 8 6 8 6 High pressure packed gland Seven rings with lantem ring is standard from the factory This gland is designed for 150 psi of tank pressure See section 7 forlubrication recommendations Side entry mixers are standard with high pressure packed glands SECTION 9 OPERATION WARNING voltage and rotating partscan cause seriousorfatalinjury Lockout power before servicing 9 1 Rotate mixer shaft by hand to check shaft straightness and to assure that the impeller is free of any obstructions in the tank 9 2 Always operate mixer with the lower impeller immersed in the liquid by atleast one prop diameter Neveroperate mixer if fluid falls nearthe lower impeller 9 3 The propellerrotates clockwise when viewed from above Opposite rotation may cause overload and inefficient mixing 9 4 Vortexing may occurif liquid level istoo close to the upperimpeller This will cause aeration of the product and excessive vibration of the equipment When mixing 4AM AIR MOTOR
23. ory in its properposition WARNING Damage to equipment or serious injury to personnel can result if speed limitations are not followed SECTION 7 LUBRICATION 6 1 Yourmixer hasbeen lubricated atthe factory with the propertype and amount of lubrication for mixer service geardrive unitsonly Thislubricant needn tbe changed undernomal conditions for a period of 3 years Underextreme conditions it is recommended thatthe lubricant in the gearboxbe SERVICE LUBRICANT changed more frequently Remove motorto repack gearbox Referto the chart below forthe lubricant recommended fortemperatures in your area When changing to a different lubricant clean gearbox with mineral spirits before repacking CHEVRON EQUIVALENT 32 F 0 C and up Down to 20 F 29 C and up to 300 F 149 C Food grade 6 2 Electric motor bearings are usually sealed and need no relubrication If zirc fittings are present relubricate with a No 2 consistency lithium soap base and petroleum compound every 6 monthsto 3 years depending on usage Open and clean drains Add grease until new grease isforced out drain Remove excess grease and replace input plugs Run motor one half hour before replaceing drain plugs Mixer shaft bearings are sealed and need no relubrication oil based EP Semi fluid grease Synthetic EP Food grade EP 2 Black Pear NLGI 1 standard from factory ULTI PLEX synthetic grease EP Chevron FM grease
24. r vanes ports dirty insufficient pressure for air motor See all items under Mixer will not sta rt 14 eCheck amperage against nameplate data eCheck coupling bolt tension coupling and or shaft may be damaged if mixerhasbeen run with slipping coupling Flush air motor with non combustible solvent relubric ate increase airline compressor size decrease compressor distance from air motor FCPGSM 7 04 PROBLEM POSSIBLE CAUSE SOLUTION Motorruns hot Low orhigh voltage Wire for comect voltage overload Contact factory Producttoo viscous Check viscosity and specific gravity of product consult factory e Restricted ventilation Clear vents Frequent starting and Check with factory a special stopping motormay be required Unbalanced voltage Consutt electrician between phases Incorrect rotation Change motorleadsper nameplate instructions Air motornot properly Lubricate see Section 7 lubricated Impellerupside down e Reinstall in comect position Exceeding maximum speed Adjust variable speed drive to limit R P M Noisy Loose drive coupling Check and tighten coupling bolts 651 orbearing set screws e Insufficient lubricant Foreign material in lubricant Incorrect lubricant Wom orfaulty bearings or gears Dry lip seal in spool bolts and set screws possible damage if run loose Fill properamount of lubricant Change lubricant Cha
25. rs single phase If your mixer is supplied with a single phase motor it may be wired by the factory with a ten foot cord and an on off switch If no cord or witch is provided referto the wiring diagram on the motor forcomect connec tions Checkthatthe switch is in the off position before plugging the cord into a 110 volt outlet Check rotation 6 4 Electric motors 3 phase Motorsrequiring 3 phase powershould be wired according to the wiring diagrams on the motor Rotation of the propeller must be clockwise looking down Interchange lines if necessary for proper rotation 6 5 Hectic Variable Speed Electric motors using SCR or variable frequency controller must be wired following the instructions supplied with the controller Many adjustments are often required to the controller and instructions should be read carefully before applying power Adjust the controllerto limit the maximum speed to motornameplate R P M or referto the motorspeed in the data sheet at the front of this manual 6 6 Air motors Air driven mixers must always have filter lubricator and moisture trap installed in the air line ahead of the motorto prevent damage Use the same size or next size pipe size largerthan intake port of motor A regulatorcan be used to govem the mixer speed Install the airline in the proper port to provide clockwise rotation of the propeller shaft when viewed from above The muffler is always installed at the fact
26. ssing in place with a tamping tool orby using a split hollow cylinder Tum mixer shaft occasionally to assist seating Unless each ring is properly seated the gland follower will not be able to tighten the packing set asit will overcompressthe outboard rings nearest the follower ring Except forabrasives 70 of the wearnomally takes place on the two packing rings nearest the follower ring Properseating and lubrica tion spreadsthe wear more evenly overthe entire set of rings Adjust the follower plate nut finger tight to begin seal break in See Section 8 for seal start up procedures SECTION 12 DIRECT DRIVE DISASSEMBLY 12 1 Disconnect the power from the mixer WARNING High voltage and rotating partscan cause seriousorfatal injury Lockout powerbefore sevicing 122 Rebuilding the drive unit is best accomplished by removing the entire mixer from the tank Remove the impeller from the shaft before removing the mixer from the mounting flange 12 3 Remove the service window 512 Loosen the two bearing setscrews and the two lower coupling bolts 651 Loosen the follower nuts 457 12 4 Remove the mixer shaft 12 5 Remove the four bolts mounting the bearing spool 510 the stuffing box housing 552 Re move the drive from the housing The stuffing box can be repacked at this time if needed see Sec tion10 12 6 Remove the four 3 8 bolts mounting the motor to the spool and then the two m
27. ust be used with air drive portable mixers If your system already hasa filter regulator and lubricator a needle valve is used formotor speed adjustment These are available from Sharpe Mixers check stuffing box also for possible scoring Insuffic ient inc omect lubrication Lubricate properly see Section 8 check for scoring re place if necessary e Excessive heat in gland Back off gland nuts replace packing if necessary check for scoring replace if necessary Wom vaporseal Replace lip seal Split in packing ringsnot Remove packing reinstall at off set off set see Section 11 SECTION 16 ACCESSORIES A Mixer Fixer Kit is available for rebuilding your Sharpe Mixers portable mixer This kit includes all bea rings seals gears when applicable and otherrecommended spare parts asshown on pages 10 and 11 of this manual motor optional Call Sharpe Mixers for curent prices 16 FCPGSM 7 04
28. vice which allows repacking without draining the tank The following procedure outlines the operation of shaft retraction Referto pages 10 and 11 for parts identification 10 2 Disconnect the power from the mixer 10 2 Remove the service window 512 Loosen the two bearing setsc rews and the two lower coupling bolts 651 Do not loosen the two cou pling bolts closest to the motor Do not remove any of the setscrews 10 3 Remove the two retraction bolts 673 installed in the bearing spool Move the retraction collar to within an inch of the bearing spool Tighten the collaron the shaft lining up the drilled holes in the collar with the tapped holesin the bearing spool Reinstall the two bolts through the holes in the retraction collarand into the tapped holesin the spool Tightening these retraction bolts will pull the retraction collar and mixer shaft in a direction out of the tank and further into the split coupling The shaft will move approximately 1 8 before further retraction becomes difficult This tightness indicates that the seal collar and gasket 675 pressed tightly against the tank side of the mounting flange and a proper static seal is attained 10 4 The mixeris now ready to have the stuffing box repacked see Section 11 10 5 To retum the shaft to its orginal position remove the retraction bolts from the retraction collarand the spool Reinstall the bolts into the tapped holes in the retraction col
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