TECHNICAL SERVICE MANUAL
Contents
1. cannot be started while work is being between rotor teeth or lock coupling end or shaft to keep done on pump shaft from turning Bend up tang of lockwasher and with Pee a spanner wrench remove locknut and lockwasher from That you know what liquid the pump shaft has beenhandling andthe precautions mihe Athe besnnaheusi fely handle the liquid Loosen two setscrews int e face o the bearing housing necessary to Sar y and remove the bearing housing assembly from the Obtain a material safety data sheet bracket Refer to Figure 5 or 6 page 5 MSDS for the liquid to be sure these precautions are understood 5 Remove pair of half round rings under the inner spacer collar from the shaft NOTE There are no half round Failure to follow above listed rings on Q and QS size pumps precautionary measures may result in 6 Remove packing gland capscrews slide packing gland serious injury or death out of stuffing box and remove packing NOTE Reference Mechanical Seal Replacement beginning on page 6 when disassembling seal pump ee G G 36 37 G9 A 43 M D Do c Sl ROOD Pom 20 eae 30A 5 QX E A E EE A e Ena cap tor Bearna Housing 25 Bracket Bushing a Bearing Spacer Colar Oute 27 Bracket and Bushing Assemb 5 Lp Seal tor Bearing Housing Z Rega 28 CapsorewforBracket 6 Roterseaing Reas 2 Bracket Gasket 26 CapscrewforRelefVave 7 eeano noss f o Pe Pug2. equipment guards are in place Failure to properly mount guards may result in serious injury or death ISSUE PAGE 6 OF 12 MECHANICAL SEAL REPLACEMENT This manual deals with the three standard types of mechanical seals supplied on Universal Bracket models 4124A 4126A 4123A 4127A 4224A 4224AH 4226A 4223A 4227A 1 Cartridge Figure 7 page 7 2 Elastomeric Bellows Figure 9 page 7 3 PTFE Wedge Figure 10 page 7 Identification of seal type is an important step towards proper maintenance For mechanical seal types not shown see the Seal Instruction Drawing SID furnished with the pump or contact a Viking representative SEAL REMOVAL DANGER Before opening any Viking pump liquid chamber pumping chamber reservoir relief valve adjusting cap fitting etc Be sure 1 That any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections That the driving means motor turbine engine etc has been locked out or made non operational so that it cannot be started while work is being done on pump That you know what liquid the pump has been handling and the precautions necessary to safely handle the liquid Obtain a material safety data sheet MSDS for the liquid to be sure these precautions are understood Failure to follow above listed precautionary measures may result in serious injury or death CARTRIDGE
3. AH AND 4224A AH CAST IRON SERIES 126A 4126A 226A AND 4226A DUCTILE IRON SERIES 123A 4123A 223A AND 4223A STEEL SERIES 127A 4127A 227A AND 4227A STAINLESS STEEL SECTION PAGE ISSUE TSM 630 2 12 OF 12 l VIKING PUMP INC e A Unit of IDEX Corporation e Cedar Falls IA 50613 USA SIZES LS Q AND QS VIKING PUMP IREX WARRANTY Viking warrants all products manufactured by it to be free from defects in workmanship or material for a period of one 1 year from date of startup provided that in no event shall this warranty extend more than eighteen 18 months from the date of shipment from Viking The warranty period for Universal Seal series pumps ONLY Universal Seal models listed below is three 3 years from date of startup provided that in no event shall this warranty extend more than forty two 42 months from the date of shipment from Viking UNDER NO CIRCUMSTANCES SHALL VIKING BE LIABLE UNDER THIS WARRANTY OR OTHERWISE FOR SPECIAL INCIDENTAL INDIRECT CONSEQUENTIAL OR PUNITIVE DAMAGES OF ANY KIND INCLUDING BUT NOT LIMITED TO LOST OR UNREALIZED SALES REVENUES PROFITS INCOME COST SAVINGS OR BUSINESS LOST OR UNREALIZED CONTRACTS LOSS OF GOODWILL DAMAGE TO REPUTATION LOSS OF PROPERTY LOSS OF INFORMATION OR DATA LOSS OF PRODUCTION DOWNTIME OR INCREASED COSTS IN CONNECTION WITH ANY PRODUCT EVEN IF VIKING HAS BEEN ADVISED OR PLACED ON NOTICE OF THE POSSIBILITY OF SUCH DAMAGES AND NOTWITHSTANDING T
4. S ar intemal Ratt vee e Bearing Spacer Cotar ime 31 Gasna 48 Heater Carriages or racket 124E Pumps Oni 12 _ Gresseriting sa Pipe lange Gasket 49 Heater Carriages for Head 124E Pumps Ony _ 13_ Mecnanica Sea 35 heca s StdforFlanges i 13B Cartridge Mechanical Seal 36 Rotor and Shaft Assembly 52 Nut for Flanges 45 Packing Giang o7 iderana Bushing Assombiy__ Notts Cover Piate Relief Vale 16 Packing cenana o FIGURE 4 The number of Heater Cartridges for Head varies by pump size EXPLODED VIEW OF UNIVERSAL BRACKET PUMP TYPICAL See Table 2 on Page 13 for the number required by pump size SECTION TSM 630 2 ISSUE PAGE 4 OF 12 7 Carefully remove rotor and shaft to avoid damaging bracket bushing 8 Loosen two radial setscrews in flange of bearing housing and with a spanner wrench remove the outer end cap with closure and outer bearing spacer collar 9 Remove the double row ball bearing 2 tapered roller bearings on Q and QS sizes closure and inner bearing spacer collar from the bearing housing 10 Clean all parts thoroughly and examine for wear and damage Check lip seals bearings bushings and idler pin and replace if necessary Check all other parts for nicks burrs excessive wear and replace if necessary Wash bearings in clean solvent Blow out bearings with compressed air Do not allow bearings to spin turn them slowly by hand Spinning bearings will damage bearing com
5. TYPE Cartridge mechanical seals are designed so that they may be replaced with minimal pump and piping disassembly The seal may be accessed by removing the bearing housing See Disassembly Steps 3 5 page 4 1 Remove any flush or barrier fluid tubes connected to the seal gland 2 Loosen setscrews on the seal collar to free the cartridge seal from the shaft 3 Remove the two gland capscrews and slide the cartridge seal out through the bearing housing opening If the pump is to be disassembled further refer to Disassembly page 4 ELASTOMERIC BELLOWS AND PTFE WEDGE TYPE Elastomeric bellows and PTFE wedge seals generally require pump disassembly to be replaced See Disassembly steps 1 5 page 4 1 Loosen nuts and remove seal plate seal plate holder seal seat and seal gasket s 2 Loosen setscrew in set collar bellows or mechanical seal rotary member wedge NOTE Piping and or plugs will need to be removed to access setscrews 3 The remainder of the mechanical seal may be removed in conjunction with Step 7 of Disassembly page 4 CARTRIDGE MECHANICAL SEAL VENT CONNECTION CENTER CLIPS SEAL COLLAR FIGURE 7 CARTRIDGE MECHANICAL SEAL SEAL INSTALLATION TAPERED INSTALLATION SLEEVE Q QS SIZES SHAFT COAT ROTOR SHAFT TAPERED INSTALLATION SLEEVE AND INNER DIAMETER OF MECHANICAL SEAL WITH LIGHT OIL BEFORE ASSEMBLY FIGURE 8 SET COLLAR ASSEMBLY SEAL SEAT CIRCULATION
6. a junction box and a single wire from the junction box 5 To make sure that the liquid within the pump is melted can be connected tothe controller and to avoid damage to the pump do not start the pump until the set point temperature has been reached 11 WARNING Heat cartridges will be hot Do not touch pump or heat cartridges until they have been allowed to 6 Several factors such as the size of pump the set point cod temperature and the insulation will affect the amount of time it will take for the pump to reach the set point temperature Typically it will take 3 4 hours for the pump to reach its set point temperature Dimensions LS through QS Sizes Electrically Heated Non Jacketed Top View Bracket Heater to Port Temp Probe to Port Head Heater to Port Required to Remove Heater Center Line DD Center Line CC Center Line EE AA BB Inch LS124E Q124E QS124E FIGURE 13 HEAT CARTRIDGE AND THERMOCOUPLE LOCATIONS The thermocouple location for the LS size is located on the opposite side of the bracket as shown in the drawing Wattage by Pump Size Number of Heaters in Head Number of Heaters in Bracket Total Wattage E Q 3 2 2200 Qs 3 2 2200 TABLE 2 NUMBER OF HEAT CARTRIDGES IN EACH PUMP MODEL SECTION TSM 630 2 ISSUE PAGE 11 OF 12 IEX FLUID amp METERING TECHNICAL SERVICE MANUAL UNIVERSAL SEAL HEAVY DUTY PUMPS SERIES 124A E EH 4124A 224A
7. BER SEAL SEAT SEAL HOLDER SEAL GASKET FIGURE 10 PTFE WEDGE SEAL ELASTOMERIC BELLOWS AND PTFE WEDGE TYPE Q QS SIZES For complete pump assembly instructions see Assembly page 5 1 Clean rotor shaft and seal housing bore Make sure they are free of dirt grit and scratches Gently radius leading edge of shaft diameter over which seal is to be placed NOTE Never touch mechanical seal faces with anything except clean hands or clean cloth Minute particles can scratch the seal faces and cause leakage 2 Place tapered installation sleeve on the shaft See Figure 11 Q QS sizes only 3 Coat outside of tapered installation sleeve and inside of rotary member of the seal with a generous quantity of light oil Grease is not recommended 4 Start rotary member on shaft including seat collar and screws on bellows seal and ease over tapered sleeve See Figure 11 TAPERED INSTALLATION SLEEVE MECHANICAL SEAL ROTARY MEMBER SHAFT FIGURE 11 SECTION TSM 630 2 ISSUE PAGE 8 OF 12 NOTE Some PTFE wedge seals are equipped with holding clips which compress the seal springs Remove holding clips to release springs after seal is installed on shaft Move rotary member so set screws are directly below seal access holes on side of bracket See Figure 9 page 7 and Figure 10 Tighten all setscrews securely to shaft NOTE Be sure that the rotor and shaft are positioned against the head before tightening
8. Electronic copies of the most current TSM issue can be found on the Viking Pump website at www vikingpump com TECHNICAL SERVICE MANUAL UNIVERSAL SEAL HEAVY DUTY PUMPS SECTION TSM 630 2 SERIES 124A E EH 4124A 224A AH AND 4224A AH CAST IRON SERIES 126A 4126A 226A AND 4226A DUCTILE IRON PAGE 1 OF 12 SERIES 123A 4123A 223A AND 4223A STEEL ISSUE l SERIES 127A 4127A 227A AND 4227A STAINLESS STEEL SIZES LS Q AND QS CONTENTS Special Information 0 3 Maintenance 0 000000 eae 3 Disassembly 3 2 62 shr hace ace wet eo Ee i ta amp x 4 Assembly o se ramada RR eR a Pe ew 5 Mechanical Seal Replacement 6 SealRemoval 2 5 625 ee eee eee 6 Seal Installation 0 0 0 7 Thrust Bearing Adjustment 8 Installation of Carbon Graphite Bushings 9 Pressure Relief Valve Instructions 9 Disassembly a sorire a ea ee PR ee A Sa Re 10 ASSOMDIY e anig Soe Eai Us Oe dd ew Se 10 FIGURE 1 Pressure Adjustment 00 10 Size LS illustrated Heat Cartridges 00040 10 Shown with jacketed bracket and relief valve INTRODUCTION The illustrations used in this manual are for identification purposes only and cannot be used for ordering parts Obtain a parts list from the factory or a Viking representative Always give a complete name of part part number and material with the model number and serial number of pump when ordering rep
9. HE FAILURE OF ANY ESSENTIAL PURPOSE OF ANY PRODUCT THIS WARRANTY IS AND SHALL BE VIKING S SOLE AND EXCLUSIVE WARRANTY AND SHALL BE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ALL WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT ALL OF WHICH OTHER WARRANTIES ARE EXPRESSLY EXCLUDED See complete warranty at www vikingpump com All rights reserved 8 2014 Viking Pump Inc
10. LINE CONNECTION SEAL ACCESS MECHANICAL SEAL ROTARY MEMBER SEAT GASKET SEAL HOLDER NOT USED ON LS EN SEAL PLATE Plea PACKING GLAND 1 inlA A ON LS CAPSCREW FIGURE 9 ELASTOMERIC BELLOWS SEAL CARTRIDGE TYPE 1 NOTE Burrs left on shaft can damage O ring on seal sleeve during installation Inspect shaft for burrs and remove any found with a fine grade of emery cloth Clean rotor shaft and face of seal chamber Slide cartridge seal on shaft until it contacts the seal chamber face Follow steps 9 12 on page 6 under Assembly 5 Insert gland capscrews and secure gland to bracket face NOTE Turn shaft several turns while gland is loose to center seal then tighten gland tight enough to compress gasket Tighten only enough to contain leakage and not to distort gland 6 Lock cartridge seal drive collar to shaft and remove or turn centering clips out of the way so as to clear the drive collar 7 Turn shaft by hand or jog motor to check drive collar for runout 2 Connect circulation line or vent stuffing box seals without line until liquid is present on start up NOTE For maximum seal life circulation line should be used DANGER Before starting pump be sure all drive equipment guards are in place Failure to properly mount guards may result in serious injury or death SECTION TSM 630 2 ISSUE PAGE 7 OF 12 FLUSH CONNECTION SEAL ACCESS HOLE MECHANICAL SEAL ROTARY MEM
11. MENT VIKING S WARRANTY DOES NOT COVER FAILURE DUE TO IMPROPER INSTALLATION OPERATION OR MAINTENANCE THIS INFORMATION MUST BE FULLY READ BEFORE BEGINNING INSTALLATION OPERATION OR MAINTENANCE OF PUMP AND MUST BE KEPT WITH PUMP PUMP MUST BE INSTALLED OPERATED AND MAINTAINED ONLY BY SUITABLY TRAINED AND QUALIFIED PERSONS THE FOLLOWING SAFETY INSTRUCTIONS MUST BE FOLLOWED AND ADHERED TO AT ALL TIMES Warning In addition to possible serious Symbol Danger Failure to follow the indicated injury or death failure to follow the Legend pee may fosult in Selene injury indicated instruction may cause damage SECTION TSM 630 2 BEFORE opening any liquid chamber pumping chamber reservoir relief valve adjusting cap fitting etc be sure that e Any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections The pump drive system means motor turbine engine etc has been locked out or otherwise been made non operational so that it cannot be started while work is being done on the pump You know what material the pump has been handling have obtained a material safety data sheet MSDS for the material and understand and follow all precautions appropriate for the safe handling of the material BEFORE operating the pump be sure all drive guards are in place DO NOT operate pump if the suction or discharge piping is not connected DO NO
12. T place fingers into the pumping chamber or its connection ports or into any part of the drive train if there is any possibility of the pump shafts being rotated DO NOT exceed the pumps rated pressure speed and temperature or change the system duty parameters from those the pump was originally supplied without confirming its suitability for the new service BEFORE operating the pump be sure that e Itis clean and free from debris e all valves in the suction and discharge pipelines are fully opened All piping connected to the pump is fully supported and correctly aligned with the pump Pump rotation is correct for the desired direction of flow ISSUE PAGE 2 OF 12 to pump and or other equipment INSTALL pressure gauges sensors next to the pump suction and discharge connections to monitor pressures USE extreme caution when lifting the pump Suitable lifting devices should be used when appropriate Lifting eyes installed on the pump must be used only to lift the pump not the pump with drive and or base plate If the pump is mounted on a base plate the base plate must be used for all lifting purposes If slings are used for lifting they must be safely and securely attached For weight of the pump alone which does not include the drive and or base plate refer to the Viking Pump product catalog DO NOT attempt to dismantle a pressure relief valve that has not had the spring pressure relieved or is mounted on a pump th
13. air gap between the pump and base to limit heat transfer to the base Coat the threads of the heat cartridge with an anti seize compound prior to installation Install heat cartridges into the tapped ports on the head and bracket in the locations shown in the Figure 13 below Figure 13 also shows the minimum clearance around the pump needed to install and remove the heat cartridges as well as the location for the thermocouple The number of heaters used and the total wattage for each pump size is given in Table 2 below 3 8 heat cartridges should be tightened to 10ft lbs 2 and heat cartridges should be tightened to 20 ft lbs Viking recommends installing a closed loop temperature controller with a control algorithm that will minimize or prevent overshooting the set point temperature The set point temperature needs to be slightly higher than the melting point and significantly lower than the flash point or boiling point of the liquid being pumped Viking does offer a controller for use with our heat cartridges Ask your local Viking distributor for details WARNING Setting the set point temperature higher than necessary will not make the pump heat any faster and will shorten the life of the heat cartridges Properly insulate the pump to minimize heat loss The pump will not heat properly if it is not insulated DANGER Always disconnect lockout and tag out supply circuits prior to installing The installation m
14. air parts The unmounted pump or pump unit model number and serial number are on the nameplate In the Viking model number system basic size letters are combined with series number 124A 4124A 124E 124EH 126A 4126A 123A 4123A 127A 4127A 224A 224AH 4224A 4224AH 226A 4226A 223A 4223A 227A 4227A indicating basic pump construction material FIGURE 2 Size Q illustrated Model Chart Number Non Jacketed UNMOUNTED PUMP Non Jacketed Jacketed Mech Seal Packed Mech Seal UNITS LS124A LS4124A LS224A LS4224A Units are designated LS124E LS224AH LS224AH by the unmounted LS124EH LS4126A LS226A LS4226A pump model numbers LS126A LS223A LS4223A followed by a letter LS123A LS4123A LS227A LS4227A indicating drive style LS127A LS4127A Q224A Q4224A Q124A Q4124A Q226A Q4226A_ V V Belt Q124E Q223A Q4223A D Direct Connected Q126A Q4126A Q227A Q4227A R Viking Speed Q123A Q4123A QS226A QS4226A Reducer Q127A Q4127A QS223A QS4223A P Commercial QS124A QS4124A QS227A QS4227A Speed Reducer esieae FIGURE 3 QS126A QS4126A Size QS illustrated QS123A QS4123A Non Jacketed QS127A QS4127A IGER FLUID amp METERING VIKING PUMP INC A Unit of IDEX Corporation Cedar Falls IA 50613 USA SAFETY INFORMATION AND INSTRUCTIONS IMPROPER INSTALLATION OPERATION OR MAINTENANCE OF PUMP MAY CAUSE SERIOUS INJURY OR DEATH AND OR RESULT IN DAMAGE TO PUMP AND OR OTHER EQUIP
15. are relief valve options available on those pump models designed to accept a relief valve Options may include a return to tank relief valve and a jacketed relief valve Pumps equipped with a jacketed head plate are generally not available with a relief valve 3 If pump rotation is reversed during operation pressure protection must be provided on both sides of pump 4 Relief valve adjusting screw cap must always point towards suction side of pump If pump rotation is reversed remove pressure relief valve and turn end for end 5 Pressure relief valves cannot be used to control pump flow or regulate discharge pressure For additional information on pressure relief valves Refer to Technical Service Manual TSM000 and Engineering Service Bulletin ESB 31 SPECIAL MECHANICAL SEALS Extra care should be taken in repair of these pumps Be sure to read and follow all special instructions supplied with your pump MAINTENANCE Viking pumps are designed for long trouble free service life under a wide variety of application conditions with a minimum of maintenance The points listed below will help provide long service life LUBRICATION External lubrication must be applied slowly with a hand gun to all lubrication fittings every 500 hours of operation with multi purpose grease NLGI 2 Refer to Engineering Service Bulletin ESB 515 Consult factory with specific lubrication questions Applications involving very high or low temper
16. at is operating AVOID contact with hot areas of the pump and or drive Certain operating conditions temperature control devices jackets heat tracing etc improper installation improper operation and improper maintenance can all cause high temperatures on the pump and or drive THE PUMP must be provided with pressure protection This may be provided through a relief valve mounted directly on the pump an in line pressure relief valve a torque limiting device or a rupture disk If pump rotation may be reversed during operation pressure protection must be provided on both sides of pump Relief valve adjusting screw caps must always point towards suction side of the pump If pump rotation is reversed position of the relief valve must be changed Pressure relief valves cannot be used to control pump flow or regulate discharge pressure For additional information refer to Viking Pump s Technical Service Manual TSM 000 and Engineering Service Bulletin ESB 31 THE PUMP must be installed in a matter that allows safe access for routine maintenance and for inspection during operation to check for leakage and monitor pump operation This manual deals only with Series 124A 4124A 124E 124EH 126A 4126A 123A 4123A 127A 4127A 224A 224AH 4224A 4224AH 226A 4226A 223A 4223A 227A and 4227A Heavy Duty Bracket Mounted Pumps Refer to Figures 1 through 13 for general configuration and nomenclature used in this manual Pump sp
17. atures will require other types of lubrication PACKING ADJUSTMENT New packed pumps require initial packing adjustment to control leakage as packing runs in Make initial adjustments carefully and do not over tighten packing gland After initial adjustment inspection will reveal need for packing replacement Refer to instructions under Assembly on page 5 regarding repacking pump CLEANING PUMP Keep pump as clean as possible This will facilitate inspection adjustment and repair work and help prevent overlooking a dirt covered grease fitting STORAGE If pump is to be stored or not used for six months or more pump must be drained and a light coat of light oil must be applied to all internal pump parts Lubricate fittings and apply grease to pump shaft extension Viking suggests rotating pump shaft by hand one complete revolution every 30 days to circulate the oil SUGGESTED REPAIR TOOLS The following tools must be available to properly repair Universal Seal Bracket Pumps These tools are in addition to standard mechanics tools such as open end wrenches pliers screwdrivers etc Most of the items can be obtained from an industrial supply house 1 Soft Headed hammer 2 Allen wrenches some mechanical seals and set collars 3 Packing hooks flexible packed pumps 4 Mechanical seal installation sleeve 2 751 005 630 for 2 4375 inch seal Q QS pumps 5 Bearing locknut spanner wrench Source 472 J H Williams amp C
18. ecifications and recommendations are listed in Catalog Section 630 Heavy Duty Bracket Mounted Pumps with Universal Seal Type Bracket SPECIAL INFORMATION DANGER Before opening any Viking pump liquid chamber pumping chamber reservoir relief valve adjusting cap fitting etc Be sure 1 That any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections That the driving means motor turbine engine etc has been locked out or made non operational so that it cannot be started while work is being done on pump That you know what pump has been handling and the precautions necessary to safely handle the liquid Obtain a material safety data sheet MSDS for the liquid to be sure these precautions are understood liquid the Failure to follow above listed precautionary measures may result in serious injury or death ROTATION Viking pumps operate equally well in a clockwise or counterclockwise rotation Shaft rotation determines which port is suction and which is discharge Port in area where pumping elements gear teeth come out of mesh is suction port PRESSURE RELIEF VALVES 1 Viking pumps are positive displacement pumps and must be provided with some sort of pressure protection This may be a relief valve mounted directly on the pump an inline pressure relief valve a torque limiting device or a rupture disk 2 There
19. ering the joints from on side of shaft to other Lubricate packing rings with oil grease or graphite to aid assembly Install packing capscrews and nuts Make sure gland is installed square and nuts are tightened evenly Tighten nuts until packing gland is snug against packing NOTE See Seal Installation page 7 when re assembling a seal pump Slide inner spacer collar over shaft with recessed end facing rotor Q and QS bearing spacer collars are not recessed Place pair of half round rings on shaft and slide inner bearing spacer collar over half round rings to lock them in place There is no pair of half round rings on Q and QS size pumps Thread the bearing housing with lipseals end cap outer bearing spacer collar and bearings installed into bracket Put lockwasher and locknut on shaft Insert length of hardwood or brass through port opening between rotor teeth to keep shaft from turning Tighten locknut to 120 150 ft lbs torque LS or 170 190 ft lbs torque Q QS If tang does not line up with slot tighten locknut until it does Failure to tighten locknut or engage lockwasher tang could result in early bearing failure and cause damage to rest of pump Remove length of hardwood or brass from port opening Adjust pump end clearance as in Thrust Bearing Adjustment page 8 Lubricate all grease fittings with multi purpose grease NLGI 2 DANGER Before starting pump be sure all drive
20. f the bearing housing with equal force against the bracket Your pump is now set with standard end clearances and locked NOTE Be sure the shaft can rotate freely If not back off additional length on outside diameter and check again High viscosity liquids required additional end clearances The amount of extra end clearance depends on the viscosity of the liquid pumped For specific recommendations consult the factory Table 1 shows the additional bearing housing adjustment required for 001 increase in end clearance TURN BRG HOUSING ADDITIONAL LENGTH ON O D BRG STANDARD END CLEARANCE Inch 001 END CL TABLE 1 INSTALLATION OF CARBON GRAPHITE BUSHINGS When installing carbon graphite bushings extreme care must be taken to prevent breaking Carbon graphite is a brittle material and easily cracked If cracked the bushing will quickly disintegrate Using a lubricant and adding a chamfer on the bushing and the mating part will help in installation The additional precautions listed below must be followed for proper installation 1 Apress must be used for installation 2 Be certain bushing is started straight 3 Do not stop pressing operation until bushing is in proper position Starting and stopping will result in a cracked bushing 4 Check bushing for cracks after installation Carbon graphite bushings with extra interference fits are frequently furnished for high temperature operation T
21. hese bushings must be installed by a shrink fit 1 Heat bracket for idler to 750 F 2 Install cool bushing with a press 3 If facilities are not available to reach 750 F temperature it is possible to install with 450 F temperature however the lower the temperature the greater the possibility of cracking the bushing 4 Consult factory with specific questions on high temperature applications Refer to Engineering Service Bulletin ESB 3 PRESSURE RELIEF VALVE INSTRUCTIONS Np ft A og Fy NS lg ARAA g E Ea f N O ae AA AAAAAAL a Ep FPP dodcdh ik TNT Valve Cap Valve Body Adjusting Screw Valve Spring Lock Nut Poppet Spring Guide Cap Gasket Bonnet Bonnet Gasket FIGURE 12 SIZE LS Valve Cap Valve Body Adjusting Screw Valve Spring Lock Nut Poppet Spring Guide Cap Gasket Bonnet Bonnet Gasket FIGURE 13 SIZES Q AND QS SECTION TSM 630 2 ISSUE PAGE 9 OF 12 DISASSEMBLY Mark valve and head before disassembly to insure proper reassembly 1 Remove valve cap 2 Measure and record length of extension of adjusting screw Refer to A on Figure 12 page 9 and Figure 13 3 Loosen locknut and back out adjusting screw until spring pressure is released 4 Remove bonnet spring guide spring and poppet from valve body Clean and inspect all parts for wear or damage and replace if necessary ASSEMBLY Reverse procedures outlined under Disassembly If valve is rem
22. ked before disassembly to insure proper reassembly If not be sure idler pin which is offset in pump head is positioned toward the equal distance between port connections to allow for proper flow of liquid through pump Refer to Figure 5 and 6 for bearing housing assembly 5 Install the lipseal in the bearing housing See the appropriate figure for lip orientation 6 LS Pumps Pack the ball bearing with grease and push or press the bearing into the bearing housing Refer to Figure 5 Q and QS Pumps Pack tapered roller bearings with grease and press or push bearings into housing with large end of inner races together It is possible to install bearings incorrectly For proper assembly see Figure 6 7 Install the lipseal in the end cap see appropriate figure for lip orientation Thread the end cap into the bearing housing along with outer bearing spacer collar and tighten against the bearing SECTION TSM 630 2 ISSUE PAGE 5 OF 12 10 11 12 13 SECTION TSM 630 2 Q and QS PUMPS ONLY Tapered roller bearings require preload to operate properly To set preload tighten end cap so that inner races of bearings cannot be rotated by hand Back the end cap off to allow inner races to rotate with slight resistance Lock end cap in place with two setscrews in the flange of the bearing housing When assembling pack pump use packing suitable for liquid being pumped Install packing stagg
23. o or equal LS QS pumps 6 Spanner wrench adjustable pin type for use on bearing housing Source 482 J H Williams amp Co or equal Brass bar Arbor press SECTION TSM 630 2 ISSUE PAGE 3 OF 12 DISASSEMBLY 1 Mark head and casing before disassembly to insure proper reassembly The idler pin which is offset in pump head must be positioned toward and equal DANGER distance between port connections to allow for proper Po a flow of liquid through the pump Before opening any Viking pump liquid Remove head from pump Do not allow idler to fall from chamber pumping chamber reServolr idler pin Tilt top of head back when removing to prevent relief valve adjusting cap fitting etc this Avoid damaging head gasket If pump is furnished Be sure with pressure relief valve it need not be removed from head or disassembled at this point Refer to Pressure Relief Valve Instructions page 9 1 That any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections If pump has jacketed head plate it will separate from head when it is removed The gasket between head and jacket head plate must be totally removed Use Thatthedrivingmeans motor turbine new gasket when assembling pump engine etc has been locked out 2 Remove idler and bushing assembly or made non operational so that it 3 Insert length of hardwood or brass through port opening
24. oved for repairs be sure to replace in same position Relief valve adjusting screw cap must always point towards suction side of pump If pump rotation is reversed remove relief valve and turn end for end PRESSURE ADJUSTMENT If a new spring is installed or if pressure setting of pressure relief valve is to be changed from that which the factory has set the following instructions must be carefully followed 1 Carefully remove valve cap which covers adjusting screw 2 Loosen locknut which locks adjusting screw so pressure setting will not change during operation of pump 3 Install a pressure gauge in discharge line for actual adjusting operation 4 Turn adjusting screw in to increase pressure and out to decrease pressure 5 With discharge line closed at point beyond pressure gauge and pump running gauge will show maximum pressure that the valve will allow full bypass IMPORTANT In ordering parts for pressure relief valve always give model number and serial number of pump as it appears on nameplate and name of part wanted When ordering springs be sure to give pressure setting desired HEAT CARTRIDGES This section applies to 124E Series only ASSEMBLY INSTALLATION INSTRUCTIONS WARNING The pump needs to be properly grounded before the heat cartridges are installed SECTION TSM 630 2 ISSUE PAGE 10 OF 12 Spacers should be installed between the foot of the pump and the base This will create an
25. ponents Make sure bearings are clean then lubricate with light oil and check for roughness Roughness can be determined by turning outer race by hand CAUTION Do not intermix inner and outer races of tapered roller bearing Q and QS sizes 11 Casing can be checked for wear or damage while mounted on bracket 12 Inspect bracket bushing for wear and remove if damaged or worn BALL BEARING BEARING HOUSING SETSCREW SPACER COLLAR SHAFT x RSS LIPSEAL END CAP SETSCREW HALF ROUND RINGS FIGURE 5 LS BEARING HOUSING ASSEMBLY BRACKET BEARING HOUSING SETSCREW SPACER COLLAR COLLAR Re SHAFT LIPSEAL END CAP SETSCREW TAPERED ROLLER BEARING FIGURE 6 Q QS BEARING HOUSING ASSEMBLY ASSEMBLY 1 Install bracket bushing If bracket bushing has a lubrication groove install bushing with groove at 6 00 o clock position in bracket If carbon graphite Refer to Installation of Carbon Graphite Bushings page 9 2 Coat shaft of rotor shaft assembly with light oil Start end of shaft in bracket bushing turning from right to left slowly pushing rotor in casing Coat idler pin with light oil and place idler and bushing on idler pin in head If replacing with carbon graphite bushing Refer to Installation of Carbon Graphite Bushings page 9 4 Using a 010 to 015 inch thick head gasket install head and idler assembly on pump Pump head and casing should have been mar
26. set screws FOR O RING GASKET TYPE MECHANICAL SEAL SEAT BELLOWS SEAL Lubricate outer diameter of O ring seal gasket with oil Flush sealing faces of both rotary member and seal seat with oil and press seal seat in to bore until back unlapped face is flush with bore Install seal holder seal plate capscrews and nuts and tighten securely FOR CLAMPED IN TYPE MECHANICAL SEAL SEAT WEDGE SEAT Flush sealing faces of both rotary member and seal seat with oil and install seal seat and seat gasket over end of shaft against machined bracket face Install other seal gasket seal holder seal plate capscrews and nuts and fasten securely Remove tapered installation sleeve Connect circulation line or vent stuffing box for seals without flush line until liquid is present on start up NOTE For maximum seal life circulation line should be used Refer to Assembly page 5 to complete assembly THRUST BEARING ADJUSTMENT 1 Loosen the two set screws in the outer face of the bearing housing and turn this thrust bearing assembly clockwise until it can no longer be turned by hand Back off counter clockwise until the rotor shaft can be turned by hand with a slight noticeable drag For standard end clearance back off the thrust bearing assembly the required length measured on the outside diameter of the bearing housing See Table 1 page 9 Tighten the two self locking type Allen set screws in the outboard face o
27. ust comply with standard and local regulations All wiring should be done by a licensed electrician to meet local codes Study this manual thoroughly before installing and using the heat cartridges Pay special attention to this section and the parts marked WARNING or DANGER Should questions or uncertainties arise please contact your authorized Viking distributor Failure to follow these instructions may cause an electrical shock and or sparks which may result in serious injury or death NOTE 1 Heat cartridges temperature probes and controllers 7 Do not use heat cartridges with different watt densities must be wired by a licensed electrician to meet local from those supplied by Viking Changing watt densities codes may result in localized over or under heating 2 Heat cartridges require 240VAC 1 Phase 60 Hz or 8 The thermocouple or temperature probe must be 220VAC 1 Phase 50 Hz power supply installed in the bracket location shown in Figure 13 3 Heat cartridges are UL CSA amp CE marked RoHs below Any other location may result in localized over or compliant under heating 9 Please see TSM 630 4 for technical information on the 4 Heat cartrid bl t istant but not cat caridges sand cables are water TeSIStantIbUt no Viking supplied controller for the heat cartridges water proof They need to be installed in a protected area 10 The wires for the heat cartridges can be joined together in
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