GLH8L-630 and J8L-630
Contents
1. 5 Pump Model Identification Fig 1 and KE ete NN 6 Ordering NAS CONG EE 7 A eee ee N ee 7 Table 1 Structural ING DEE e E 8 Description Pump Features 22890 RNS 8 a Weal MUON a de 10 ILEUS aces account en den nn Ron 11 Mechanical Seal Drawing Figure 3 siennes 13 Mechanical Seal Drawing Figure 4 cir di 14 P mp Disassembly A 16 Pump ASS E 18 Pump Assembly Drawing J8L Figure 5 in 21 A O 22 Pump Assembly Drawing GLH8L Figure 6 ae 23 Parts List CAB EE 24 Appendix 1 Pump Flag ease A 25 A GENERAL INSTRUCTIONS Instructions found here in cover disassembly assembly and parts identification of GLH8L 630 and J8L 630 series pumps NOTE Individual contracts may have specific provisions that vary from this manual Should any questions arise which may not be answered by these instructions refer to Imo General Installation Operation Maintenance and Troubleshooting Manual SRM00046 provided with your order For further detailed information and technical assistance please refer to Imo Pump Technical Customer Service Department at 704 289 6511 This manual cannot possibly cover every situation connected with installation operation inspection and maintenance of equipment supplied Every effort was2. 39 Fitting 92 assembly 1 XX 40 1 94 Thermowell 2 X Denotes Minor Repair Kit Items XX Denotes Major Repair Kit Items Note Minor Repair Kit Items are included in the Major Repair Kit 22 INST ORIENTED AS SHOWN 92 33 OUTLET ROTATION RE SECTION A A NOTES 1 INSTALL NAMEPLATES PER ES 3 36 3 Br s SE 1 SECTION SECTION D D GLH8L 630 SF6426 Page 23 GLH8L 630 PARTS LIST IDP Part Description Qty Kit IDP Part Description 3 Kit 1 Stud XX 2 Nut XX 44 CheckNut_ 1 3 3 4 Capscrew____ 8 XX_ 46 BearingLocknut__ 1 5 1 6 1 7 1 8 16 9 1 10 4 11 16 12 1 13 Spacer 2 55 Flareless Fitting 1 14 1 15 Beat Adapter Subassembly 1 57 Nipple 1 16 Biet Sleeve CT 58 lee 17 3 18 4 19 4 20 16 21 4 22 1 23 1 26 Spacer 27 4 28 Rotor Housing 72 Assembly 29 1 30 4 31 1 32 1 33 2 34 1 35 1 36 11 Oring 4 37 1 38 1 SH RE 39 Fitting 92 lassembly 1 40 Inboard Cover 1 93 Pipe Plug 1 X Denotes Minor Repair Kit Items XX Denotes Major Repair Kit Item
3. 170 Nm Proceed to Pump Assembly Step 13 16 PUMP DISASSEMBLY Due to size and weight of individual parts of the pump it is recommended that a crane and or block and tackle be available when complete disassembly of pump is required NOTE GLH8L 630 J8L 630 series pumps incorporate highly finished precision parts which must be handled carefully to avoid damage to critical machined surfaces Parts should be tagged for identification and exact position so that all parts are properly installed during reassembly 1 Close inlet and outlet valves Vent pressure from pump and drain pump prior to disconnecting inlet and outlet piping Remove plugs 59 to drain pump fluid from inlet end if applicable Remove bleed tube 54 by loosening flareless connections 37 and 55 A CAUTION Fluid leakage from disassembly of pump may make floor slippery and can cause personal injury 2 Complete steps 1 10 of Servicing Mechanical Seal and or Ball Bearings 3 Complete steps 11 17 or 23 29 of Servicing Mechanical Seal and or Ball Bearings dependent on seal configuration 4 Remove power rotor 11 from the pump 5 GLH design remove all associated external piping connections including Plug 59 Tee 58 Nipple 57 Bushing 56 Flareless Fitting 55 Bleed Tube 54 and Flareless Fitting 37 6 Using hoist ring 29 support weight of inboard cover 40 Approximate weight of assembled inboard cover is 555 pounds Remov
4. 20 Install rotating assembly 3 figure 3 of mechanical seal 51 on shaft sleeve 16 positioned against shoulder of shaft sleeve 16 Install O ring 2 figure 3 on stationary seat 1 figure 3 Install assembled stationary seat on seat adapter subassembly 15 ensuring that lock pin engages slot of stationary seat Install seat retainer 5 using capscrews 4 Tighten capscrews 4 to a torque value of 17 in lbs 2 in lbs 2 Nm Install O rings 38 in grooves of seat adapter subassembly 15 Install lip seal 6 in counterbore of seat adapter subassembly 15 Install assembled seat adapter subassembly 15 on shaft sleeve 16 Use caution to avoid damage to stationary seat and O ring 1 and 2 figure 3 21 Compress mechanical seal enough to expose spiral ring groove and install spiral ring 14 in shaft sleeve 16 locking mechanical seal 51 assembly into place 22 Install assembled shaft sleeve 16 on power rotor 11 shaft until it rests against balance piston 17 Use caution when installing shaft sleeve 16 to avoid damage to installed O ring 36 Tighten setscrews 3F figure 3 If only replacing a minor kit proceed to step 35 Otherwise proceed to Pump Assembly step 11 Cartridge Seal metal bellows design Steps 23 34 23 Pull power rotor 11 assembly forward from pump to expose mechanical seal 51 assembly which is mounted on shaft sleeve 7 figure 4 24 Remove inner spacer 13 25 Remove shaf
5. Ball Bearing 8L 630 pumps are equipped with duplex angular contact ball bearings lubricated with Mobil SHC 32 or equivalent grease Normal grease interval is every 4500 hours of pump operation Grease quantity is about 2 212 12 5 oz tubes for first time bearing is re greased and about 2 12 5 oz tubes each time thereafter for bearing operating temperatures up to 180 F For every 15 F rise in temperature above 180 F re greasing interval should be cut in half To re grease ball bearings remove pipe plug from vented reducer bushing located several inches closer to coupling end of drive shaft Insert grease gun nozzle onto grease fitting and pump grease into fitting until at least a couple of ounces of grease emerges from fitting or lip seal Wipe off excess grease Run pump at normal operating conditions for at least 30 minutes to allow any excess grease to purge from vented reducer bushing or lip seal Replace pipe plug to vented reducer bushing During purging process bearing temperature may increase beyond normal values CAUTION cycles should be directed to Imo Pump Division Mechanical Seals The GLH8L 630 and J8L 630 series pumps are equipped with a positive drive mechanical seal This is a balanced mechanical seal with a carbide carbide rotating face and a carbide stationary face material is dependent on pump nomenclature Refer to mechanical seal drawing figure 3 for construction When ordering new mechanical seals it
6. COLFAX Fluid Handling PRODUCT SERVICE MANUAL FOR GLH8L 630 and J8L 630 A WARNING The Imo General Installation Operation Maintenance and Troubleshooting Manual No SRMO0046 along with this manual should be read thoroughly prior to pump installation operation or maintenance Manual No SRM00085 Rev 1 Aug 2013 IMPORTANT NOTE The importance of seal chamber priming cannot be overemphasized Due to the prevalence of seal damage and leakage caused by not filling the seal chamber with liquid before putting a pump in service this page is located at the beginning of this document SEAL CHAMBER PRIMING Fill mechanical seal chamber with liquid to insure seal does not start dry This can be done by removing seal vent set screw and pouring liquid into vent passageway before opening pump inlet Alternately seal chamber can be vented in situations where inlet pressure is above atmospheric by opening inlet and discharge valves and then loosening seal vent plug to allow positive inlet pressure to push air out of seal chamber until oil flows from it See figure below Filling or Venting Seal Cavity Using Seal Vent CAUTION Failure to fill or vent seal chamber as described above may cause damage to seal running faces which may result in seal leakage READ THIS ENTIRE PAGE BEFORE PROCEEDING FOR SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO EQUIPMENT THE FOLLOWI
7. Slide and thread checknut 47 onto power rotor 11 shaft As checknut is tightened onto power rotor it will push ball bearings 7 and outer spacer 13 into proper position on power rotor shaft Install bearing locknut 46 on power rotor 11 shaft Install drive key 10 Using the torque fixture S626ML as described in step 2 of Servicing Mechanical Seal and or Ball Bearings lock power rotor in place and tighten bearing checknut 47 to a torque value of 600 ft Ibs 15 ft lbs 813 Nm Tighten bearing locknut 46 on power rotor 11 shaft Engage setscrews 45 NOTE After the bearing locknut is fully tightened the bearings must cool to ambient temperature prior to proceeding with reassembly Install coupling hub checknut 44 and setscrew 45 Install assembled power rotor 11 into pump NOTE The power rotor can be pressed in using the bearing removal strongback S626MP allthread and hardened nuts and washers Thread the 54 10 allthread into the threaded holes in the inboard cover bolt 9 location 180 apart Install the strongback aligning the thru holes with the allthread Use the nuts and washers to evenly press the power rotor assembly into final position A CAUTION Pay close attention to O rings 38 and 12 to ensure that they are not pinched during power rotor installation Install bearing retainer 48 using bolts 9 Tighten bolts 9 to a torque value of 125 ft lbs 5 ft Ibs
8. made to prepare the text of this manual so that engineering and design data is transformed into most easily understood wording Imo Pump must assume personnel assigned to operate and maintain supplied equipment and apply instruction manual have sufficient technical knowledge and are experienced to apply the sound safety and operational practices which may not be otherwise covered by this manual In applications where equipment furnished by Imo Pump is to become part of processing machinery these instructions should be thoroughly reviewed to ensure proper fit of said equipment into overall plant operational procedures A WARNING If installation operation and maintenance instructions are not correctly and strictly followed and observed injury to personnel or serious damage to pump could result Imo Pump cannot accept responsibility for unsatisfactory performance or damage resulting from failure to comply with instructions B INTRODUCTION This instruction manual covers Imo Pump GLH8L 630 and J8L 630 with fabricated cases This series of pumps has been designed for use in crude oil applications The model and design construction of each pump can be identified by the designator code on the pump nameplate Definitions of model designators are identified in Figure 1A and 1B C DESCRIPTION OF EQUIPMENT The GLH design is an upgrade to existing 8L series pumps consisting of a modification kit for field conversion The
9. removal Approximate weight of cover is 181 pounds Remove bolts 62 and cover 66 using caution to avoid damage to O ring 30 3 Place a sling or lifting hooks on inlet head 27 Approximate weight of inlet head is 590 pounds Remove ferry capscrews 53 Break inlet head 27 free from case 32 4 Rotate inlet head 27 so that inlet flange is in desired position using care to avoid damage to O ring 30 Install ferry capscrews 53 and tighten capscrews to a torque of 700 ft lbs 15 ft lbs 949 Nm 10 5 6 If applicable remove plug 59 which is now on the underside of inlet head 27 and align with bleed tube 54 Remove nipple 57 which will also remove tee 58 plug 59 bushing 56 and flareless connection 55 Install nipple assembly 57 using either pipe compound or Teflon tape on threads to ensure an airtight seal Connect bleed tube 54 using flareless connection 55 and 37 Install plug 59 in tapped opening from which nipple 57 assembly was removed using thread compound or Teflon tape to ensure airtight seal Install cover 66 ensuring that O ring 30 is properly seated and not damaged Install bolts 62 and tighten bolts to a torque value specified on the pump assembly drawing I MAINTENANCE Servicing Mechanical Seal and or Ball Bearings NOTE 8L 630 Tool Kit 3267 1000TK includes specialized tooling required to complete an 8L 630 pump repair Please ensure that you have the cor
10. retainer 5 from seat adapter subassembly 15 Remove mechanical seal stationary seat 1 figure 3 with O ring 2 figure 3 from seat adapter subassembly 15 Remove O rings 38 from grooves of seat adapter subassembly 15 Remove lip seal 6 from counterbore of seat adapter subassembly 15 1 SEAT 2 O RING 3 ROTATING ASSEMBLY 3A ROTATING FACE 3B ROTATING FACE O RING 3C RETAINING RING 3D SPRING 3E SPRING HOLDER 3F SET SCREW Figure 3 Mechanical Seal Drawing Loosen setscrews 3F figure 3 and slide mechanical seal 51 rotating assembly 3 figure 3 from shaft sleeve 16 Remove O ring 36 from groove of power rotor 11 shaft If only replacing a minor kit continue with the following steps Otherwise proceed to Pump Disassembly step 3 Inspect power rotor 11 shaft and shaft sleeve 16 and remove any nicks or burrs which are present Polish power rotor shaft to remove any rust or oxidants that may be present under shaft sleeve The manufacturer recommends replacement of lip seals 6 and 8 ball bearings 7 mechanical seal 51 and O rings 12 36 and 38 when these parts are disturbed from their original installed position All parts should be coated with light lubricating oil to assist in assembly Install O ring 36 in groove of power rotor 11 shaft 13 NOTE Rotating and stationary seal assembly should be installed on the shaft sleeve prior to installing the sleeve onto the power rotor
11. 8 and 83 are bolted together and must be removed as a single unit Combined weight of housings 28 and 83 is approximately 1485 pounds Remove plug 22 and O ring 21 Remove anti rotation pin 20 by threading a 3 8 16 x 2 bolt into the back end of the pin and pulling leveraging in out of the pump case Complete step 14 concurrently to assist with plug removal by supporting the weight of the housings Install hoist rings 29 into housing 83 and remove housings 28 and 83 by lifting vertically from the pump case PUMP ASSEMBLY NOTE Prior to assembly of the pump all parts should be cleaned and inspected for nicks and burrs All worn or damaged parts should be replaced Imo Pump recommends automatic replacement of O rings 3 12 21 30 35 36 38 and 82 lip seals 6 8 ball bearings 7 mechanical seal 51 and spiral ring 14 when these parts are disturbed from their previous installed position Wipe all parts with light lubricating oil periods of time Check all oil passages to ensure that they are clean and free of any debris Rotate power rotor frequently by hand during assembly to ensure freedom of rotation Place pump case inboard face down on a clean surface in preparation for installing housings 28 and 83 Install hoist ring 29 into the suction housing 83 Install O ring 30 on the discharge housing 28 Lift and insert the housings into the pump case ensuring that the slot in the housing a
12. GLH design replaces gun drilled idlers with an internal balance return tube A strainer was also installed on the discharge housing to minimize the chance of a severe idler thrust loss Most previous 8L designs can be converted to the GLH design by purchasing the modification kit and will require the installation of a GLH major repair kit during overhaul Because of the large number of operating conditions it is necessary to have a variety of construction arrangements and material combinations to meet application requirements Each pump is identified with a serial number and model designator number on the pump nameplate Definitions of model designators are given in Figure 1A and 1B The J design is an upgrade to the GLH design The J design incorporates an internal mechanical seal line return porting is drilled through the pump case Due to this design change parts between the GLH and J designs are considered incompatible Please contact IMO pump division with question concern relating to nomenclature D PUMP MODEL IDENTIFICATION X X XX X X A MINOR DESIGN CHANGE G Enhanced Thrust Design HOUSING MATERIAL L Bi Metal Babbitt DESIGN CHANGE SECONDARY H Integral Balance Piston Housing and Inboard Cover 8 Number of Closures Rotors Hydraulically Balanced Housings End Cover Retained NUMBER OF CLOSURES AND BASIC DESIGN Basic Design Separa
13. NG NOMENCLATURE HAS BEEN USED IN THIS MANUAL A DANGER Failure to observe precautions noted in this box can result in severe bodily injury or loss of life DA WARNING Failure to observe precautions noted in this box can cause injury to personnel by accidental contact with equipment or liquids Protection should be provided by user to prevent accidental contact CAUTION ATTENTION Failure to observe precautions noted in this box can cause damage or failure of equipment Non compliance of safety Safety instructions where Safety instructions which shall be instructions identified by electrical safety is considered for reasons of safe the following symbol involved are identified by operation of pump and or protection of could affect safety for pump itself are marked by the sign persons A DA ATTENTION ATTENTION If operation of pump is critical to your business we strongly recommend you keep a spare pump or major repair kit in stock at all times As a minimum a minor repair kit o rings gaskets shaft seal and bearings should be kept in stock so pump refurbishment after internal inspection can be accomplished TABLE OF CONTENTS Seal CHAMPION 22222 ee naine antenne in ne en eds 2 Ee 3 Table EE 4 General Instructions 0 te en le eee tan ee EREE ele E 5 a AP E 5 8 1 9 11911191019 21 410 161 1 2 718987
14. aft A CAUTION Fluid leakage from disassembly of pump may make floor slippery and can cause personal injury Install Torque fixture S626ML onto the end of the power rotor and insert the threaded rod PPO50CCK 9 into the thru holes Position a metal bar wood block approximately 30 inches long between the two studs or bolts and brace the opposite end of bar against pump bedplate to lock power rotor in place to prevent rotation when loosening bearing locknut 46 and checknut 47 Loosen setscrews 45 located in the bearing checknut 47 11 10 Using crowfoot wrench S626MM loosen bearing locknut 46 and checknut 47 Remove metal locking bar and bolts or studs which were installed in torque fixture S626ML Remove the torque fixture and key 10 from power rotor 11 shaft Remove bearing locknut 46 bearing setscrews 45 and checknut 47 from power rotor shaft Remove bolts 9 and bearing retainer 48 Position power rotor 11 assembly forward from pump until seat adapter 15 extends from the inboard cover by completing the following steps a If applicable remove RTDs and thermowells 94 from end cover 66 b Install eyebolt 29 in tapped bore of cover 66 Remove Hex bolts 62 and end cover 66 c Remove O ring 30 from end cover 66 d Remove Hex nuts 61 washers 60 and 70 thrust plate 65 spacers 26 idler cups 72 oil balance tube 81 and O rings 82 from the sucti
15. ation 26 CERTIFIED ISO 9001 4 ER gt amp ANSI RAB E 2 DN Accredited by the Council National Accreditation Program for Accreditation RvA TIFICAT CERTIFIED ISO 9001 ANSI RAB Oms gt e E o Accredited by the Council National Accreditation for Accreditation RVA RF Program COLFAX Fluid Handling Imo Pump 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 704 289 6511 Toll 1 877 853 7867 Email cc colfaxcorp com Web colfaxcorp com 2012 Colfax Fluid Handling all rights reserved ALLWEILER COT PURITECH HOUTTUIN IMO LSC ROSSCOR TUSHACO WARREN 27
16. e 34 Install assembled shaft sleeve 16 on power rotor 11 shaft until it rests against balance piston 17 Use caution when installing shaft sleeve 16 to avoid damage to installed O ring 36 Tighten setscrews 1 and 9 figure 4 If only replacing a minor kit proceed to Bearing Installation step 35 Otherwise proceed to Pump Assembly step 11 Bearing Installation 35 Install inner spacer 13 on power rotor 11 shaft ensuring that the inner lip seal 6 does not fold NOTE H oven induction heater is available ball bearings 7 can be heated to approximately 200 degrees F for ease of installation on power rotor 11 shaft Power rotor can be secured in position using the power rotor removal strongback S626MN and the rotor removal tool S626MS 36 Preassemble outer spacer 49 installing lip seal 8 and O ring 12 NOTE The outer spacer assembly must be installed onto the inner spacer 13 prior to installing the locknut 46 and checknut 47 15 37 38 39 40 41 42 43 44 45 46 Slide ball bearings 7 on power rotor 11 shaft A WARNING Ensure that the bearings are correctly installed The thicker side of the bearing inner races should be in contact with each other Improper installation of the bearings will cause a premature potentially catastrophic failure Slide outer spacer 13 on power rotor 11 shaft Install the outer spacer assembly
17. e drilled to receive two tie down or mounting bolts and the rear or outboard feet are drilled to receive one bolt each The double bolting on the inboard end is designed to provide rigid location of the front end of the pump The length of the pump and the normal variations in temperature require that allowance be made for thermal growth The rigidity of the pump case 32 is usually several times that of the bedplate If relative movement cannot take place between the outboard feet and the base thermal movement can distort the bedplate and produce misalignment between pump and driver NOTE Please ensure that you have the correct assembly drawing for your particular pump The assembly drawing includes the require torque values Torque specifications vary between the 8L 630 pump designs Contact IMO pump division with pump serial number pump nomenclature and pump part number to ensure you are provided with the correct assembly drawing and bill of materials Attached in Figure 5 and Figure 6 are the general assembly drawings for the J8L 630 and GLH8L 630 respectively Inlet Position The inlet head 27 may be positioned to permit fluid to enter the pump from the top or either side The inlet head may be rotated in 90 increments 1 If applicable to change position of inlet head 27 disconnect bleed tube 54 by loosening flareless connection 37 and 55 2 Install an eyebolt in 1 inch tapped bore in cover 66 to aid in support of cover during
18. e ferry capscsrews 50 Using jacking bolts provided remove assembled inboard cover 40 Removal of inboard cover 40 also removes O ring 3 balance piston bushing 18 stop subassembly 34 and capscrews 52 7 J8L design remove oil balance tube 80 and O rings 82 from the inboard side of the pump case 32 8 Remove O ring 3 from groove of inboard cover 40 Remove capscsrews 52 and stop subassembly 34 from inboard cover 40 Remove balance piston bushing 18 from inboard cover 40 9 Remove strainer 92 from the discharge housing 28 by accessing the strainer through the discharge flange CAUTION Failure to remove the strainer prior to removing the housings will damage to the housing strainer area The strainer is too large to slide within the pump case during housing removal 10 Break free torque from bolts 53 leaving bolts snug prior to lifting pump case assembly 17 11 12 14 CAUTION Combined weight of the inlet head 27 case 32 and housings 28 and 83 is approximately 4 728 lbs Lift assembly slowly the housings will slide inside the pump case Install 1 8 x 1 hoist rings 29 180 apart into the inlet head 27 Lift the assembly and place the inboard side of the case 32 onto a clean surface Remove ferry capacrews 53 and inlet head 27 from pump case 32 Remove O ring 30 from groove of inlet head 27 CAUTION Housings 2
19. earings instruction steps 18 22 or 30 34 dependent of mechanical seal configuration Install the bearings 7 per the Servicing Mechanical Seal and or Ball Bearings Bearing Installation steps 35 42 Install O ring 30 in groove of inlet head 27 Using eyebolt 29 for support install inlet head 27 on case 32 Approximate weight of inlet head is 590 pounds Use caution during installation of inlet head to avoid damage to O ring 30 Install ferry capscrews 53 and tighten capscrews 53 to a torque value of 600 ft lbs 15 ft Ibs 813 Nm Install idler rotors 19 tapered end first into inlet end of housings 28 and 83 Mesh threads of idler rotors 19 with installed power rotor 11 and rotate power rotor 11 by hand to draw idlers into proper position Install idler rotors 23 into inlet end of rotor housing 83 with the idler balance piston housing end of the idlers positioned toward inlet end of the pump Mesh threads of idler rotors 23 with threads of power rotor 11 and rotate power rotor 11 by hand to draw idlers into proper position Slide idler balance piston housing assemblies 72 onto the idler rotors 23 Install O rings 82 into grooves on oil balance tube 81 Insert oil balance tube into the suction housing 83 Coat studs 63 with Loctite 242 compound and install the studs into the suction housing 83 Slide spacers 26 onto studs and install thrust plate 70 Ensure that
20. ee Figure 5 and 6 provide IDP number s and names for replacement part s Give above information to your Imo service representative Imo sales and service representatives are listed herein and in General Instruction Manual SRM00046 F OPERATION F 1 LIQUID LIMITATIONS Never operate with thin liquids such as solvents or water Pump is designed for liquids having general characteristics of oil F 2 OPERATING LIMITS CAUTION ATTENTION Operating conditions such as speed fluid viscosity temperature inlet pressure discharge pressure filtration duty cycle drive type mounting etc are interrelated Due to these variable conditions specific application limits may be different from operational limitations Equipment must not be operated without verifying system operating requirements are within pump s capabilities Under no circumstances are the following operating limits specified in table 1 to be exceeded without specific approval from Imo Pump Operating conditions such as speed fluid viscosity inlet pressure temperature filtration duty cycle mounting drive type etc are interrelated Due to variable conditions specific application limitations may vary from structural limitations This equipment must not be operated without verification that operating requirements are within published capabilities as shown in the appropriate pump brochures available from local Imo Pump offices and rep
21. hould be relatively close to each other in normal operation If a serious idler rotor thrust loss occurs the temperature difference between the two idler rotor thrust areas will be detected It is recommended the operating system should immediately be shut down if the delta temperature between these two RTDs exceeds 25 F to 30 F Vibration Monitoring A 1 4 inch 18 NPT inch deep connection is located on the inboard cover 40 is provided for installation of an optional vibration transmitter Optional Features Smart Pump Features Contact factory for additional details Seal Leak Detection Catastrophic seal leak detection pressure switch set to a minimum approximately 5 7 psig Seal Leak Detection Detection of normal to moderate seal weepage on off float switch GLH8L 630 J8L 630 Wear Resistant Pumps The GLH J8L designs consist of the option to sleeve the suction idler axial thrust balance surface in an effort to extend the life of the rotor set by replacing just the sleeves and idler cups on the suction idlers during situations where the pump is meeting application specifications but the customer has deemed that certain monitoring parameters typically vibrational readings are above the end users acceptable level Please contact IMO pump division for details H INSTALLATION GLH8L 630 and J8L 630 series pumps are designed for horizontal foot mounting The pump case 32 has four feet The two inboard feet ar
22. housings 83 and 28 In order to provide axial hydraulic balance on the power rotor 11 a balance piston 17 is provided The sizes of the balance piston 17 and the balance piston bushing 18 in which it rotates are selected to produce minimum axial thrust loads on the anti friction ball bearings 7 under the conditions of operation that are normal for the application GLH8L 630 Mod Kit 3267 1000M The modification kit includes a J8L design outboard cover 66 that consist of thru holes drilled for RTD installation As of Aug 2013 all of the GLH major kits will include the standard thrust plate 65 for the J8L design This will allow for the installation of thermowells and RTD s to penetrate the thrust plate allowing initial detection of a severe idle rotor thrust loss to occur prior to damaging the outboard cover Please contact IMO Pump Division for thermowell and RTD part numbers as they are not supplied with the mod kit A N WARNING When a unit is purchased if no inlet conditions are specified the power rotor will be provided with standard balance If a unit with standard balance is installed on an operation with high inlet pressure both the ball bearings 7 and the mechanical seal 51 may be overloaded If the unit has been fitted to operate with high inlet pressure operation on low inlet pressure can overload the ball bearings Do not change inlet pressure radically without approval from Imo Pump Division
23. is important that the pump designator and or serial number be given When pump designator and or serial number cannot be ascertained operating conditions should be listed so that proper mechanical seal can be supplied Instrumentation The GLH8L 630 J8L 630 pumps are provided with instrumentation connections for monitoring temperatures of inboard and outboard areas of the pump and vibration at the ball bearing Ball Bearing RTD A Y inch 14 NPT threaded connection with a 5 46 inch diameter drill through for a temperature sensor RTD probe is provided on the inboard cover 40 This RTD when installed monitors the temperature of the ball bearing 7 The temperature will vary depending on the temperature of the fluid pumped the speed at which the pump is running and the suction pressure Typically the ball bearing temperature will run 50 F to 70 F above the fluid temperature The maximum temperature allowed is 250 F Thrust Loss RTD s Original GLH8L 630 design Two 2 inch 14 NPT threaded connection ports with 1 4 inch OD X 1 12 inch deep blind hole for the RTD probe are provided on the outboard cover 66 for connection of two optional RTD s J8L design GLH8L mod kit Outboard cover 66 has 2 X 54 14 NPT thru holes with inch NPT pipe plugs inserted optional RTD installation The RTD s when installed are used to read the temperature in the two idler rotor thrust plate areas individual to each idler These temperatures s
24. leeve 7 figure 4 and remove any nicks or burrs which are present Polish power rotor shaft to remove any rust or oxidants that may be present under shaft sleeve The manufacturer recommends replacement of lip seals 6 and 8 ball bearings 7 mechanical seal 51 and O rings 12 36 and 38 when these parts are disturbed from their original installed position All parts should be coated with light lubricating oil to assist in assembly 31 Install O ring 36 in groove of power rotor 11 shaft 32 Install rotating assembly 3 figure 4 of mechanical seal 51 on shaft sleeve 7 figure 4 positioned against shoulder of shaft sleeve Install O ring 6 figure 4 on stationary seat 5 figure 4 Install assembled stationary seat on seat adapter subassembly 15 ensuring that lock pin engages slot of stationary seat Install seat retainer 5 using capscrews 4 Tighten capscrews 4 to a torque value of 17 in lbs 2 in lbs 2 Nm Install O rings 38 in grooves of seat adapter subassembly 15 Install lip seal 6 in counterbore of seat adapter subassembly 15 Install assembled seat adapter subassembly 15 on shaft sleeve 16 next to installed mechanical seal rotating assembly using caution to avoid damage to stationary seat and O ring 1 and 2 figure 3 and O rings 38 33 Compress mechanical seal enough to expose spiral ring groove and install spiral ring 14 in shaft sleeve 16 to lock mechanical seal 51 assembly into plac
25. ligns with the stop pin 20 hole in the case Insert the pin 20 O ring 21 and plug 22 Position pump case horizontally and install strainer 92 into the discharge housing 28 Install bushing 18 on inboard cover 40 Install stop subassembly 34 on inboard cover 40 ensuring that spring pin engages slot in installed bushing 18 NOTE Prior to installing capscrew 52 verify idler stops align with the idler housing bores Position the bushing 18 to make this possible 18 10 18 19 Install capscrews 52 and tighten capscsrews to a torque value of 30 ft lbs 2 ft lbs 41 Nm Install O ring 3 in groove of inboard cover J8L design Install oil balance tube 80 and O rings 82 into the discharge housing 28 Using hoist ring 29 to support weight of assembled inboard cover 40 install inboard cover 40 into case 32 using caution to avoid damage to O ring 3 and ensure that stop subassembly is properly positioned with idler rotor bores of housing 28 J8L design ensure that the inboard cover aligns with the oil balance tube 80 in the discharge housing 28 Install ferry capscrews 50 and tighten capscrews to a torque value of 1600 ft lbs 15 ft be 2170 Nm Install power rotor 11 in the pump positioning the power rotor with the mechanical seal area exposed outside the inboard cover 40 Reassemble and install the sleeve assembly per the Servicing Mechanical Seal and or Ball B
26. o press power rotor 11 shaft back into pump and through ball bearings 7 to remove both bearings Spacer 49 with O ring 12 and lip seal 8 and outer spacer 13 will be unseated as ball bearings 7 are removed Ensure that spacers 49 and 13 and lip seal 8 are not permitted to drop as they are unseated After power rotor 11 is pressed through both ball bearings remove strongback Remove bearing removal tabs from seat adapter subassembly 15 Remove studs from bores of inboard cover 40 Remove the following components spacer 49 spacer 13 O ring 12 and lip seal 6 Remove O ring 12 from groove of spacer 49 and remove lip seal 8 12 Multi Spring seal with O ring seat 11 22 11 12 13 14 15 16 17 18 19 Pull power rotor 1 1 assembly forward from pump to expose mechanical seal 51 assembly which is mounted on shaft sleeve 16 Remove inner spacer 13 Remove shaft sleeve 16 from power rotor 11 shaft Removal of shaft sleeve 16 will also remove mechanical seal 51 seat adapter subassembly 15 lip seal 6 O rings 38 seat retainer 5 capscrews 4 and spiral ring 14 Remove spiral ring 14 from groove of shaft sleeve 16 Remove seat adapter subassembly 15 Including O rings 38 and lip seal 6 seat retainer 5 capscrews 4 and mechanical seal stationary seat 1 figure 3 with O ring 2 figure 3 from shaft sleeve 16 Remove capscrews 4 and seat
27. on housing 83 e Rotate power rotor in opposite direction of rotation by hand to remover idlers 23 and 27 CAUTION ATTENTION Do not permit idlers 23 or 27 to drop as they emerge from housing f Install power rotor removal strongback S626MN on threaded rod 63 using hex nuts 61 and washers 70 to secure it in position g Install rotor removal tool S626MS into strongback ensuring a metal blank is placed between the end of the threaded rod and the power rotor 11 Note Metal blank is installed to prevent damage to the end of the power rotor h Rotate the rotor removal tool until the seat adapter 15 extends from the inboard cover 40 i Remove strongback assembly Install bearing removal tabs S626MR into slots in the seat adaptor sub assembly 15 Cut two 10 continuous thread studs 24 inches minimum to thread 1 inches into inboard cover threaded holes Bolt 9 location and extend a minimum of 2 2 inches past end of power rotor 11 Install the threaded studs 180 degrees apart through the removal tabs into the inboard cover Thread a hex nut hardened washer on each stud to lock the tabs in position against the inboard cover Install the bearing removal strongback S626MP on the end of the power rotor ensuring the thru holes align with the threaded rod Thread hex nuts hardened washers onto the threaded rod to secure the strongback in position Tighten nuts installed on both studs evenly t
28. p nomenclature 20 Gel SECTION C C i SECTION D D D t 5 gll CSR SEAL VIEW FOR 3267 030 JBLXDT 630M PUMP TO SHOW SEAL WITHOUT RETAINING RING AND BOLTS Page 21 J8L 630 SF6464 SECTION B B 9 7 3 7 y ve lt ROTATION KKE SECTION A A J8L 630 Part List Qty Kit IDP_ Part Description Qty Kit IDP Part Description 1 Std i dexx f i 2 put Ja XX 44 CheckNut 1 3 4 Capscrew 8 XX 46 Bearing Locknut 1 5 6 Lip Seal 7 8 9 X 10 XX 11 12 O ring ax 13 Spacer ode 0 14 Retainer Ring 1 X 15 Seat Adapter Subassembly 1 0 16 EH IERT 51 NE 17 18 19 20 21 XX 22 XX 23 26 Spacer 1 68 Grease 2 x 27 Idler B P H 29 30 31 32 33 35 O e os D 38
29. rect assembly drawing for your particular pump The assembly drawing include the require torque values Torque specifications vary between the 8L 630 pump designs Contact IMO pump division with pump serial number pump nomenclature and pump part number to ensure you are provided with the correct assembly drawing and bill of materials Attached in Figure 5 and Figure 6 are the general assembly drawings for the J8L 630 and GLH8L 630 respectively Required tooling 8L 630 Tool Kit 3267 1000TK 1 Hardened washers qty 2 Power rotor removal 1 8 Hex nut qty 2 Power rotor removal 34 10 x 30 Allthread qty 2 Bearing removal power rotor installation 34 Hex nuts qty 2 Bearing removal power rotor installation 34 Hardened washers qty 2 Bearing removal power rotor installation Torque capability up to 1600 ft lbs 2170 Nm Pass Thru ratchets and sockets 3 8 16 X 2 Bolt for stop pin removal Loctite 242 compound installation of studs 63 General Tooling NOTE GLH8L 630 and J8L 630 series pumps are normally installed with a spacer type coupling between the pump and driver Removal of coupling spacer provides sufficient space for removal of coupling hub and for servicing of ball bearings and mechanical seal Close inlet and outlet valves Vent pressure from pump Remove spacer member from coupling Loosen setscrew 45 and remove checknut 44 from power rotor 11 shaft Remove coupling hub from pump sh
30. resentatives listed in Manual CA 1 Under no circumstances are the following structural design limits to be exceeded Table 1 Normal Pump Operating and Structural Limits Condition Limit Maximum Speed 1200 RPM Minimum Viscosity 60 SSU Minimum Book Rating Maximum Viscosity Contact factory Liquid Temperature 250 degrees F Standard Pump Maximum Inlet Pressure 125 PSIG Standard Pump Maximum Discharge Pressure Continuous Duty 1500 PSIG Standard Pump Imo General Installation Operation Filtration Maintenance and Troubleshooting Manual SRM00046 Drive Direct Only Mounting Foot mounted G DESCRIPTION OF PUMP FEATURES Balance WARNING Bw Ay series pump parts are not interchangeable with previous designs unless the factory has approved to convert the old design to a GLH design using a modification kit The modification kit along with the a GLH major kit will be required to make the conversion AM WARNING The J series pump parts are not interchangeable with previous designs The J series is the most current series Aug 2013 By design all rotor sets are hydraulically balanced in the radial direction Idler rotors 19 and 23 are balanced axially by internally transferring high pressure oil from the pump discharge end to the pump inlet end thrust end The high pressure oil is transferred to the pump inlet end through bores that have been drilled axially through the rotor
31. s Note Minor Repair Kit Items are included in the Major Repair Kit 24 3 EI Chip out damage on land areas of suction Idlers 23 from relative large hard particles passing through pump Photos also show sharpening of land that is consistent with excessive wear Idler cup and shoe normal wear in an application with high sand content Bottom of cup left shows some damage where metal has been picked out possibly cavitation gt Mo LEFT Typical housing wearing in a crude oil application Note Although rotor bores may look in relatively good condition running clearances between rotor OD s and housing bores could be well outside application dependent values For example there may be pump efficiency limits or maximum allowable vibration levels Maintenance cycles and wear may also vary from location to location as well as differences in fluid particu late content size and fluid viscosity Good record keeping is vital in determining changes and will provide a baseline when troubleshooting is required RIGHT Typical thrust plate wear in crude oil applications 25 uN Above photos show proper way to lock shaft in position to break lock nut free on shaft LEFT Pressing power rotor out of inboard cover If shaft is to be reused ensure a blank is placed between power rotor removal strongback S626MN and outboard end of power rotor RIGHT Mechanical seal bearing install
32. t sleeve 7 figure 4 from power rotor 11 shaft Removal of shaft sleeve 7 figure 4 will also remove mechanical seal 51 seat adapter subassembly 15 lip seal 6 O rings 38 seat retainer 5 capscrews 4 and spiral ring 8 Figure 4 26 Remove spiral ring 8 Figure 4 from groove of shaft sleeve 7 figure 4 TY Description O set screws A 1 A 66 085 gt Aro FACE INSERT O 1 AN 1 5 4 STATIONARY SEAT SE 7 1 SLEEVE SET SCREWS Figure 4 Cartridge Bellows Type Mechanical Seal 14 27 Remove seat adapter subassembly 15 Including O rings 38 and lip seal 6 seal retainer 5 capscrews 4 and mechanical seal stationary seat 5 figure 4 with O ring 6 figure 4 from shaft sleeve 7 figure 4 Remove capscrews 4 and seal retainer 5 from seat adapter subassembly 15 Remove mechanical seal stationary seat 5 figure 4 with O ring 6 figure 4 from seat adapter subassembly 15 Remove O rings 38 from grooves of seat adapter subassembly 15 Remove lip seal 6 from counterbore of seat adapter subassembly 15 28 Loosen setscrews 1 and 9 figure 4 and slide mechanical seal rotating assembly 4 figure 4 from shaft sleeve 7 figure 4 29 Remove O ring 36 from groove of power rotor 11 shaft If only replacing a minor kit continue with the following steps Otherwise proceed to Pump Disassembly step 4 30 Inspect power rotor 11 shaft and shaft s
33. te housing ei XXX X L LEAD AND ROTATION ROTOR SIZE PUMP CASING MATERIAL U Steel Carbide BALANCE CODE Factory Assigned MECHANICAL SEAL Factory Assigned Figure 1 Definitions of Model Designators of GLH8L 630 pumps DESIGN CHANGE SECONDARY Integral Balance Piston Housing and Inboard Cover Carbide Balance Piston amp Bushing Enhanced Thrust Design Bi Metal Babbit Rotor Housing Internal Seal Circulation A XX XXX NUMBER OF CLOSURES AND BASIC DESIGN 8 Number of Closures Basic Design Separate housing Rotors Hydraulically Balanced Housings End Cover Retained XXX X L LEAD AND ROTATION ROTOR SIZE PUMP CASING MATERIAL BALANCE CODE Factory Assigned MECHANICAL SEAL Factory Assigned Figure 2 Definitions of Model Designators of J8L 630 pumps E ORDERING INSTRUCTIONS When corresponding with Imo Pump regarding Series GLH8L 630 and J8L 630 series pumps refer to pump nameplate this instruction manual and assembly drawing as instructed below 1 2 3 4 5 From pump nameplate record pump model number serial number and manufactured date Record instruction manual number revision and date From instruction manual record figure numbers that apply to replacement part s From assembly drawing or parts list S
34. the oil balance tube is aligned with the oil balance hole in the thrust plate Install washer 70 lockwasher 60 and nuts 61 Tighten nuts 61 to a torque value 400 ft lbs 15 ft lbs 542 Nm Install O ring 30 in groove of cover 66 Install hoist ring 29 in tapped bore of cover 66 Support weight of cover 66 approximately 177 pounds and install cover 66 on inlet head 27 using bolts 62 Use caution during installation of cover 66 to avoid damage to installed O ring 30 Tighten bolts 62 toa torque value of 300 ft lbs 15 ft Ibs 406 Nm GLH design Install all associated external piping connections including Plug 59 Tee 58 Nipple 57 Bushing 56 Flareless Fitting 55 Bleed Tube 54 and Flareless Fitting 37 If applicable Install thermowells 94 and RTDs into cover 66 19 20 Mount assembled pump approximately 6351 pounds on bedplate Verify pump and driver alignment as outlined in General Installation Operation Maintenance and Troubleshooting Manual SRM00046 and 8L 630 General Start Up Checks Troubleshooting and Verification Record 58 400119 NOTE To access service manuals please visit our web site at www imopump com under the resources tab click service manual and select the appropriate manual for your particular pump BOM Bills of Materials can also be accessed under the resources tab by clicking on parts list search and entering the pump part number or pum
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