TECHNICAL SERVICE MANUAL
Contents
1. an inline pressure relief valve a torque limiting device or a rupture disk 2 This series of pumps may be equipped with an integral pressure relief valve Standard configuration is for clockwise rotation suction on the right viewing the shaft end of the pump but it also may be ordered for counter clockwise rotation The valve cannot be reversed for opposite rotation 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 5 Pressure relief valves should not 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 MAINTENANCE The Series 32 and 432 pumps are designed for long trouble free life under a wide variety of application conditions with minimum maintenance however the following should be considered 1 LUBRICATION External lubrication not required for this series of pumps The liquid being pumped lubricates the internal bearings in the pump 2 PACKING ADJUSTMENT These pumps are designed with a packing spring to maintain a constant load on the packing no external adjustment is possible When leakage becomes excessive the packing must be replaced Refer to re assembly instruction for proper installation of packing 3 END CLEARAN2. 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 SECTION TSM 310 1 ISSUE E PAGE 3 OF 7 FIGURE 2 EXPLODED VIEW SERIES 32 AND 432 Pa roomate ids 2 omraam o rosen 18 ar 3 pemos erra o ome ome SY s raano spro oreeson omaa O 1 ee Some nea Pe foam Cid T r rarose i ee ee 1 Remove the capscrews the head and the idler from the pump It may be necessary to apply a slight pressure on the drive end of the rotor shaft to free the head from the casing DO NOT PRY the head from the casing as this may damage and mar the gasket surfaces 2 Remove idler from idler pin If the idler pin is worn both TITT SANATAN the idler pin and idler should be replaced T Ee 3 Next completely remove the rotor and shaft assembly 2 pu M a HANNY U from the casing by exerting pressure on the drive end of Ti the shaft _ Remove the packing nut PACKED 5 The pump is now ready for removal of the packing or 32 mechanical seal Refer to Figure 3 or 4 for example It is recommended a new mechanical seal or packing rings
3. 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 SPECIAL INFORMATION 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
4. 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 E PAGE 2 OF 7 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 that is operating AVOID contact with hot areas of the pump and or drive Certain operating conditions temperature control devices jackets heat tracing
5. valves cannot be used to control pump flow or regulate discharge pressure The pressure setting is increased by turning the adjusting screw in and decreased by turning the adjusting screw out SPECIAL PUMP DESIGNS Pumps furnished with a PTFE Mechanical seal require a special rotor and shaft with drive pin installed for positive drive of the rotating member All other assembly and disassembly instructions are the same TECHNICAL SERVICE MANUAL GENERAL PURPOSE PUMPS SERIES 32 AND 432 SIZES C F FH SECTION TSM 310 1 PAGE 7 OF 7 ISSUE E VIKING PUMP IBEX 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 REPUTAT
6. CE ADJUSTMENT After long term operation it is sometimes possible to improve the performance of the pump without major repair by adjusting the end clearance Refer to instructions under re assembly of the pump for information regarding this procedure 4 CLEANING THE PUMP It is good practice to keep the pump as clean as possible This will facilitate inspection adjustment and repair work 5 STORAGE lf the pump is to be stored or not used for any appreciable length of time it should be drained and a light coat of lubricating and preservative oil should be applied to the internal parts SUGGESTED REPAIR TOOLS The following tools must be available to properly repair Series 32 and 432 pumps These tools are in addition to standard mechanics tools such as open end wrenches pliers screw drivers 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 extractor flexible for 1 4 packing 2 810 049 999 Brass bar Arbor press Standard 5 16 12 point socket DISASSEMBLY 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 orconnections That the driving means motor turbine engine etc has been
7. Electronic copies of the most current TSM issue can be found on the Viking Pump website at www vikingpump com TECHNICAL SERVICE MANUAL on tsm3101 GENERAL PURPOSE PUMPS pace TOEF SERIES 32 AND 432 SIZES C F FH ISSUE E CONTENTS Introduction 2 ee 1 Special Information 04 1 Safety Information 04 2 Maintenance 0 00000 eae 3 Disassembly 0 2000000 3 ASSOMDI 2 2 Sic eee Dak Pa Eb Raw ee Oe 8 5 Pressure Relief Valve Instructions 6 INTRODUCTION The illustrations used in this maintenance bulletin are for identification purposes only and should not be used for ordering parts Secure a parts list from a Viking representative Always give complete name of part part FIGURE 1 number and material with the model and serial number of the SERIES 32 AND 432 PUMP pump when ordering repair parts 3 GPM Size Shown Packed Or Mechanical Seal Type UNMOUNTED PUMP UNITS Valve On Casing Clockwise Rotation PACKED MECH SEAL A Units are designated by the SPECIAL INFORMATION unmounted pump model numbers followed by a letter DANGER Before opening any Viking pump liquid chamber pumping chamber reservoir indicating drive style D Direct Drive V V Belt Dri F 5 f Orr a relief valve adjusting cap fitting etc Be sure 1 That any pressure in the chamber has This bulletin deals exclusively with Pump Models C F FH32 been comp
8. FIGURE 3 be used every time a pump is completely disassembled All parts should be examined for wear before the pump is put together When making major repairs such as replacing a rotor and shaft assembly it is usually considered advisable to also install a new casing bushing oaan E A ANY OO Ue MECHANICAL SEAL 432 FIGURE 4 SECTION TSM 310 1 ISSUE E PAGE 4 OF 7 ROTARY PACKING NUT MEMBER SEAL SEAT CARBON WEAR RING SPRING RETAINER LUG SPRING WASHER HEAD GASKETS IDLER HEAD AND IDLER PIN HEAD CAPSCREWS ROTOR AND SHAFT FIGURE 5 INSTALLING CASING BUSHING The casing bushing can be replaced in the following manner Insert a bar approximately 0 94 diameter and at least 3 5 long in the packing or seal end of the casing and press the bushing out of the casing When installing a new carbon graphite bushing extreme care should be taken to prevent breakage as carbon graphite is a brittle material and easily cracked When cracked the bushing may quickly disintegrate in operation An arbor press should always be used and the bushing should be installed in one even uninterrupted stroke of the press Dip the bushing in lube oil and start the bushing in the head end of the casing Press until located to the A dimension in Figure 6 l LO anw POI IIIA HEAD A Z FACE FIGURE 6 F amp FH 1 19 to 1 25 The end clearance within
9. ING 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 a may result lin serious Injury indicated instruction may cause damage SECTION TSM 310 1 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 NOT 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
10. ION 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 THE 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 3 2013 Viking Pump Inc All rights reserved CORPORATION VIKING PUMP INC e A Unit of IDEX Corporation Cedar Falls IA 50613 USA
11. letely vented through the and C F FH432 General Purpose Pumps Refer to Figures suction or discharge lines or other 1 2 5 and 7 for general configuration and nomenclature A ea Pear ra Tete appropriate openings orconnections All pumps can be furnished with either a mechanical seal or That the driving means motor packing A mechanically sealed pump can be changed to a turbine engine etc has been locked packed pump by removing the mechanical seal and inserting out or made non operational so that the packing spring inner packing gland packing and outer it cannot be started while work is packing gland The mechanical seal pump is dimensionally being done on pump interchangeable with the packed 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 CORPORATION 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 EQUIPMENT VIKING S WARRANTY DOES NOT COVER FAILURE DUE TO IMPROPER INSTALLATION OPERATION OR MAINTENANCE THIS INFORMATION MUST BE FULLY READ BEFORE BEGINN
12. the pump is governed by the location of the casing bushing as well as the number of head gaskets To correctly position the casing bushing in the casing see note in step 3 of ASSEMBLY ASSEMBLY 1 Clean all parts thoroughly 2 Place the rotor and shaft in the casing 3 Put the head gaskets on the head and the idler on the idler pin projecting from the head Replace the head in the casing tighten the cap screws NOTE If a new casing bushing has been installed in the casing use only one 002 head gasket on the head and tighten the capscrews evenly and securely This will correctly position the bushing in the casing Remove the head add one 002 head gasket and replace the capscrews and tighten securely NOTE Turn the shaft by hand to be certain it turns freely SECTION TSM 310 1 ISSUE E PAGE 5 OF 7 Be especially careful to keep mechanical seal parts clean Minute dirt particles especially on seal faces will cause leakage Never touch seal faces with anything except clean hands or a clean cloth NOTE The lapped face of the carbon wear ring must face toward the shaft end of the pump Be sure the notches on the edge of the carbon wear ring mate with the retainer lugs in the rotary member 4 When reassembling a mechanically sealed pump place the spring washer and spring on the shaft see Figure 5 Page 4 Coat the shaft and the inside of the rubber bellows of the seal rotary member with light oil Slide the rotar
13. y member part way down the shaft Oil the lapped faces of the rotary member and the seal seat Slide the seal seat on the shaft until it contacts the rotary member and then push the complete seal into the casing Replace the packing nut and tighten Your pump is now completely assembled Once again turn the pump shaft by hand to be sure it turns freely Start the pump with a supply of liquid in the suction line since the pump should not be run dry 5 If the pump has packing rather than a mechanical seal place the spring and inner packing gland on the shaft and slide into the pump Next install the packing Stagger the joints in the packing a half turn and add lube oil between each ring of packing Push the outer packing gland in the casing and replace the packing nut and tighten 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 FIGURE 7 SAFETY RELIEF VALVE C F FH SIZE VALVE LIST OF PARTS 1 Adjusting Screw Cap 4 Spring 2 Gasket for Cap 3 Adjusting Screw 5 Poppet 6 Casing SECTION TSM 310 1 ISSUE E PAGE 6 OF 7 PRESSURE RELIEF VALVE INSTRUCTIONS 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 Pressure relief
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