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811 Operation and Maintenance Manual

1. GRISWOLD PUMP COMPANY Appendix Page 48 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Parts amp Material Composition ae one mmo mm PER NAME DUCTILE ALLOY ELLOY PUMP IRON 20 B amp C 100 1 easing D 31655 alloy 20 coamcul Monel Bac 101 1 Impeller Di 31655 Alloy 20 CD4MCu Monel B amp C 105 1 jlantemRing Glass Filled TFE 106 1 Packing SIL C8201 Acid Rest TFE 107 1 Packing Gland 31655 Alloy20 Monel B amp C 108 1 Frame Adapter Ductile Iron 112 1 Outboard Thrust Bearing Double Row Angular Contact 122 1 Shaft Less Sleeve Optional 31655 122 1 jShaft WithSleeve SAE4140 126 1 jShaftSleve 3168S Ally20 Monel B amp C 134 1 BearingHousing Cast Iron 136 1 Lock Nut Lock Washer Stel o 168 1 Inboard Radial Bearing Single Row Deep Groove 184 1 StufingBox D 3165S Alloy20 CD4MCu Monel B amp C 228 1 Frame Cast iron Ductile for Small Frame 2 1 Famer mo 250 1 Gland 3165 Aloy2 O 319 1 jsightOllGauge Cad Plated 332A 1 Labyrinth Oil Seal Outboard Bronze Optional Carbon Filled Teflon 333A
2. Re grease bearings every 2000 hours or three 3 months whichever occurs first GRISWOLD PUMP COMPANY Appendix Page 41 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX Ill Bearing Fits and Tolerances In accordance with ABEC I Standard Bearing Fits Inches S Frame M Frame L Frame XL Frame 1 3785 1 7722 2 1660 2 5597 op Shaft OD 1 3781 1 7718 2 1655 2 5592 T5 l 1 3780 15717 2 1654 2 5591 5 Bearing ID 13775 1 7712 2 1648 2 5585 2 2 8346 3 9370 4 7244 5 5118 EEE i sS Frame Adapter ID 2 8353 3 9379 4 7253 5 5128 A RUP 2 8346 3 9370 4 7244 5 5118 caring 2 8341 3 9364 4 7238 5 5111 1 1815 1 7722 1 9690 2 5597 Hp 1 1812 1 7718 1 9686 2 5592 os 1 1811 13717 1 9685 2 5591 qz i ge bennpip 1 1807 1 7712 1 9680 2 5585 2E GER men 2 8346 3 9370 4 3307 5 5118 E S 8 8 2 8353 3 9379 4 3316 5 5128 E mem 2 8346 3 9370 4 3307 5 5118 caning 2 8341 3 9364 4 3301 5 5111 GRISWOLD PUMP COMPANY Appendix Page 42 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX IV C Face Adapter The C Face motor adapter attaches to the rear of the bearing frame of the pump This feature enables a C flange motor to be attached and ensures alignment between the pump and motor sh
3. seize compound to casing bolts 370 Install casing bolts hand tight Torque casing bolts to values shown in Appendix V Page 46 Check lateral movement travel of impeller in casing Interference indicates defective parts improper installation or presence of pipe strain Determine cause and correct before proceeding Set impeller clearance as described in the Appendix I Page 40 Check shaft rotation by hand If binding or rubbing is present determine the cause and correct before proceeding Re connect cooling and or flushing lines Check lubrication If flood oil standard fill with suitable oil See lubrication chart Appendix II page 42 Check rotation 10 Re install coupling coupling spacer 11 Check alignment 12 Re install coupling guard Appendix IX page 52 Proceed with pump start up as noted in the Operation Section Page 20 GRISWOLD PUMP COMPANY Repair Maintenance Page 33 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 ROUTINE AND PREVENTIVE MAINTENANCE A routine maintenance program can and will extend the life of your pump Well maintained equipment will last longer and require fewer less expensive repairs You should keep detailed maintenance records as this is helpful in diagnosing problems and the potential causes of problems Routine monitoring practices should include as a minimum e Bearing
4. 10x8 15G Model 811XL 17 2 1 2 shaft diameter amp 2 I max BHP 360 6x4 17 C C GRISWOLD PUMP COMPANY Appendix Page 46 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX VIII 811S Group Pump Cross Sectional s Hm 811M Group Pump Cross Sectional GRISWOLD PUMP COMPANY Appendix Page 47 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 811L Group Pump Cross Sectional
5. 360D on frame face seal 333A M frame only onto the power end assembly Make sure shouldered fit of adapter fits inside of recess of the power frame Align bolt holes and dowel pin holes Install dowel pins 469B and frame to adapter bolts 370B Tighten evenly in a crisscross manner Attach dial indicator to shaft Place indicator against mating face of adapter Rotate shaft 360 degrees Total indicator runout should not exceed 0 005 With dial indicator still attached to shaft position indicator on inside diameter of mating face Rotate shaft again a full 360 degrees Total indicator runout should not exceed 0 005 inch If greater values are measured disassemble and determine cause before proceeding with assembly GRISWOLD PUMP COMPANY Repair Maintenance Page 30 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 FIGURE 24 STUFFING BOX COVER RUNOUT CHECK o FIGURE 25 IMPELLER RUNOUT CHECK FIGURE 26 PRELIMINARY IMPELLER ADJUSTMENT e GRISWOLD PUMP COMPANY 304 422 4755 Repair Maintenance Sold by G amp W Industrial Sales Check Stuffing Box Cover Runout 1 Install stuffing box cover Item 184 with studs and nuts Items 370H 423B 2 Mount dial indicator as shown Rotate shaft 360 Maximum dial indicator runout should no
6. Part Description Item Number refer to pump cross sectional view in Appendix VIII page 49 Recommended Spares All Pumps Impeller 101 Bearing Lockwasher 382 Shaft 122A Bearing Locknut 136 Shaft Sleeve 126 if used Impeller O ring 412A Outboard Thrust Bearing 112A Bearing Housing O ring 496 Inboard Radial Bearing 168A Outboard Lab Seal Rotary O ring 497 Casing Gasket 351 Outboard Lab Seal Stationary O ring 497G Frame to Adapter Gasket 360D Inboard Lab Seal Rotary O ring 497H Bearing Housing Retaining Ring 361A Inboard Lab Seal Stationary O ring 497J Recommended Spares By Pump Application If Packed Stuffing Box Is Used If Mechanical Seal Is used Lantern Ring Half 105 Oty 2 Spare mechanical seal per application Packing Set 106 5 rings Packing Gland 107 Whenever a pump is dis assembled parts that have been under compression such as gaskets and o rings should be replaced during re assembly In this regard maintenance kits are available which contain a complete set of gaskets and o rings for a given pump repair This packaging may be helpful in maintaining required parts in stores Ordering Parts Parts are available through your local authorized Griswold distributor Please provide serial number for accurate identification GRISWOLD PUMP COMPANY Spart Parts Page 37 304 422 4755 Sold by G amp W Industrial Sales mail
7. moisture Ni Lg uA You may then proceed to connect suction and discharge piping GRISWOLD PUMP COMPANY Installation Page 7 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Suction and Discharge Piping A complete instruction for piping design is beyond the scope of this manual A comprehensive guideline is available in the Hydraulic Institute Standards from The Hydraulic Institute 9 Sylvan Way Parsippany NJ 07054 www pumps org Note the following highlights In general all piping must be supported independently of and line up naturally with the pump flanges Even a small amount of pipe strain or flange loading will cause misalignment of the pump and motor shafts and cause vibration and premature wear In cases of pumping at elevated temperatures pipe expansion must be accommodated with expansion loops or expansion joints These must be properly anchored to prevent pipe strain from being imposed on the pump from both thermal expansion and hydraulic reactive loads With the initial installation of the pump system all piping must be thoroughly cleaned and or flushed prior to pump start up Weld slag rags dirt and other debris can and will cause damage to the pump Piping design should incorporate the ability to flush prior to the removal of pump components in services where corrosive or otherwise harmful liquids are handled It is i
8. Lubricants Lubricating Oil Requirements Pumpage temperature Pumpage temperature lt 350 F gt 350 F ISO Grade VG 68 VG 100 Approx SSU 100 F 300 470 DIN 51517 C68 C100 Kinematic Viscosity 100 F 68 100 mm sec Note Use non foaming and non detergent oils only Some acceptable lubricating oils Chevron GTS Oil 68 Exxon TERRESTIC 68 or NUTO H68 Mobil DTE Heavy Medium Philips Mangus 315 Shell Tellus Oil 68 Sunoco Sunvis 968 Amoco Amoco Industrial 68 Royal Purple SYNFILM ISO VG68 Change oil after 200 hours of initial operation then every 2000 hours or three 3 months thereafter whichever occurs first Bearing Frame Oil Capacity Frame Pints S 1 0 M 2 6 L 3 0 XL 7 4 Note Capacities are approximate Do not over fill the oil sump as this will cause overheating and damage the bearings Fill to the centerline of the sight glass GRISWOLD PUMP COMPANY Appendix Page 40 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 7 Never mix greases of different consistencies or different types For re greaseable bearings Lubricating Grease Requirements Pumpage temperature Pumpage temperature lt 350 F gt 350 F NGLI Consistency 2 3 Mobil Mobilux EP2 SCH32 Exxon Unirex N2 Unirex N3 Sunoco Multipurpose 2EP SKF LGMT 2 LGMT 3
9. This warranty applies to the replacement part only and is not extended to the product or any component of the product being repaired Seller may substitute new equipment or improved part s of any equipment judged defective without further liability All repairs or services performed by Seller which are not covered by this warranty will be charged in accordance with Seller s standard prices then in effect 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 ANSI Process Pump THIS WARRANTY IS THE SOLE WARRANTY OF SELLER AND SELLER HEREBY EXPRESSLY DISCLAIMS AND BUYER WAIVES ALL OTHER WARRANTIES EXPRESSED IMPLIED IN LAW OR IMPLIED IN FACT INCLUDING ANY WARRANTIES OR MERCHANT ABILITY OR FITNESS OF A PARTICULAR PURPOSE Seller s sole obligation under this warranty shall be at its option to repair or replace any equipment or its components parts which has a defect covered by this warranty or torefund the purchase price of such equipment or part under the terms of this warranty Seller shall not be liable for a consequential collateral special or liquidated losses or damage b equipment conditions caused by normal wear and tear abnormal conditions of use accident neglect or misuse of said equipment c the expense of and loss or damage caused by repairs or alterations made by anyone other than the Seller d damage caused by abrasive materia
10. and Maintenance Manual Griswold Model 811 After the preliminary impeller adjustment is made page 33 1 Remove impeller leaving the shaft sleeve in place 2 Re install the impeller with its o ring being sure to tighten it firmly tightens clockwise 3 Install packing in the stuffing box Stagger the packing ring joints at 90 intervals Two rings should be located at the bottom of the stuffing box followed by the lantern ring then followed with three additional rings Be sure the lantern ring is located under the lantern ring flush connection Otherwise flushing liquid if used cannot enter between the packing rings 4 Install the packing gland halves 107 and tighten the gland nuts 353A finger tight only Note When the pump is initially run there will be a relatively high leakage rate from the stuffing box and this is to be expected As the packing runs in the gland nuts may be tightened gradually until the required leakage rate 40 60 drops per minute is reached It is suggested that the gland nuts be tightened turn at a time every 2 3 hours during the run in period Installation of Back Pull out Assembly Note N 8 9 Use proper lifting methods and equipment to avoid physical injury and or damage Inspect casing Clean casing fit and install gasket 351 into case 100 Loosen cap screws 390C and jacking bolts 370D Install back pull out assembly into casing Apply anti
11. just starts to rub on the casing Set dial indicator to zero 6 Tighten the jacking bolts 370D evenly until they contact the bearing frame Continue to tighten the jacking bolts evenly about one flat at a time drawing the bearing housing away from the frame until the dial indicator shows the proper clearance GRISWOLD PUMP COMPANY Appendix Page 38 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 7 Tighten bearing housing bolts 370C evenly and then tighten jacking bolts 370D evenly Make sure dial indicator reading does not move from the proper setting Rotate shaft to make sure that it turns freely 8 Reinstall coupling spacer and coupling guard Table 3 Impeller Clearance at Ambient for Various Service Temperatures inches Pumpage Pump Frame Size Temperature S M L Low XL Flow 20 to 200 F 0 005 0 008 018 0 015 Up to 250 F 0 006 0 009 019 0 016 Up to 300 F 0 007 0 010 020 0 017 Up to 350 F 0 009 0 012 022 0 019 Up to 400 F 0 010 0 013 023 0 020 Up to 450 F 0 011 0 014 024 0 021 Up to 500 F 0 012 0 015 025 0 022 GRISWOLD PUMP COMPANY Appendix Page 39 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX Il Recommended
12. or progress of construction regardless of the cause of such damage or losses In any event Seller s aggregate total liability under the Order or otherwise shall not exceed the contract price Buyer agrees to indemnify and hold harmless Seller from all claims by third party in excess of these limitations COMPLIANCE WITH LAW Since the compliance with the various Federal State and Local laws and regulations concerning occupational health and safety and pollution are affected by the use installation and operation of the equipment and other matters over which Seller has no control Seller assumes no responsibility for compliance with those laws and regulations whether by way of indemnity warranty or otherwise 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 TABLE OF CONTENTS Introduction Foreword sees arnesa e a aa Oe A E aI EE E C 3 Receiving the Pump 2 22 imei debo erder tongue bet Sade a E a RAE QU eod ce ie ddp ieu hy ex dp 4 MIC PETERET TECUM 5 Safety 22d eot RE Dep Pe Ree E eda dere da Ghost heen a x eti eia bone ied e rate 5 Installation Baseplates and Anchors 22i seed epe ERE MEE DSXEEESPGQET pg cedem de EA edd rea ra 6 Installing and Grouting Base slseseeeeeeeeee Ih Ihe 7 Suction and Discharge Piping 1 0 eect nen teen hn 8 Shaft Alignment 2s elnbiedeab bebo e AP EEG ader eee det pda ICH Sd end 10 D HVerS 9 cod eme
13. removed by loosening the captive fasteners GRISWOLD PUMP COMPANY Appendix Page 53 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com GRISWOLD ie a I SWOLD el eager m 5 DOVER company G amp W Industrial Sales YOV Distributor 22069 Van B Street Grand Te CA 92313 5607 SE didnt RO an Buren Street GrandTerrace Phone 229 226 5255 800 843 9222 i gi de ad AGLA Fax 229 226 5567 e 909 422 1787 Smee l email griswold 9 griswoldpump com mail gwindustrial com website www griswoldpump com Printed in the U S A Copyright 2010 Griswold Pump Company GRS 10000 E 01
14. stor MU Ee UEM IU EE MEE st edite 16 Flushing and Cooling Lines 0 ccc cece ce ene teen e nee e ene E he 14 Operation Pump Motor Rotation 0 0 hh hh he e hee 16 Impeller Clearance 2 2 exe DEN soe ie wend os en heat bee eM HIR op oy Beales 16 Pump Lubrication 5 2 e RR REPRE E HER ee ed HERE ee PADO HE EE ee 16 Stuffing Box Shatt Seal sever ahaeaed acai x hte E T enone Pubs euer EN EPOR 17 Primmg sli sdak eR ees aed deeb dda sha cere VER eee dined dod Pd Eae deb EP E PES 17 Starting the PUMP x oo cese CUERO Rea E PAR eue bx reni quu ep Oe eq 18 Troubleshooting i ud Reg er GR ede Pee RES Gu REGE RR UE RE dde 20 Repair Maintenance Warnings anid Precautions sse thang thea Meee tensbs4eer R4 d peer bee eS Gta ed ee RO DERE 21 Removing the Pump from Service 0 ccc cence enn tence rn 21 Disassembly sui oS do pedo nade eke s pads eed ohadaaaniiag daa s EREE d E d ag s 22 Parts Inspection sisse RR dee es ees eR ORA endo Sede ned Od xe9 bae n wp Facete 26 Power End Reassermbly 422 ele seu DER REVELA Ye ERR E ELK D LR RO E E ed as 27 Assembly Checks oce RS ER EV ee YU EFE EN Meare EY EA P dace 29 Mechanical Seal Installation 2 0 keene cent rn 32 Stuffing Box Packing Installation ence cnet e nen e teenie eee 32 Installation of Back Pull out Assembly 00 0 cence n 33 Routine and Preventive Maintenance Quarterly and Annual Maintenance hm e ee 34 Lubrication TOPICS ues dice pede
15. to be considered as a final alignment The factory alignment can and does change during shipment and when the pumping unit is installed Actually several alignments are necessary as will be described later Anchor foundation bolts are used to hold the baseplate to its support structure whatever that may be In the preferred case of mounting the pump unit on a concrete pad the anchor bolts are set into the pad as indicated in the following illustration When pouring the pad it s helpful to have a wooden template attached to the foundation form to position the anchor bolts at their locations as indicated on the pump unit assembly drawing Nut Anchor bolts are usually sized smaller Washer than the anchor bolt hole size in the base ZZ ZA Calculate bolt length as indicated in PERLE C 6 A Figure 4 at the left Per Pump f E Grout 5 Drawing The ID of the sleeve should be two bolt sizes larger than the anchor bolt iid ll 0 75 Allow approx 34 15 space between the bottom edge of the baseplate and the foundation for grouting 12 18 Anchor Bolt RA A Concrete Foundation Figure 4 Typical Anchor Bolt Sleeve Type GRISWOLD PUMP COMPANY 304 422 4755 Installation Sold by G amp W Industrial Sales A Sleeve type anchor bolt is shown here Alternatively a hook or J type anchor bolt may be used Pack the space bet
16. to not damage the o ring located in the ID of the seal s shaft sleeve Locate the seal assembly back towards the bearing frame 3 Install stuffing box cover 184 with studs and nuts 370H and 423B 4 Install impeller with o ring being sure to firmly tighten it clockwise 5 Install the cartridge seal assembly over the studs with nuts 353A Tighten nuts evenly Note The axial position of a cartridge seal is set after the back pull out assembly has been installed in the pump casing and the running impeller clearance has been established Refer to the seal manufacturer s drawing and instructions for location of positioning setscrews Tighten seal positioning setscrews and then remove positioning clips or screws Check shaft for free rotation If any binding or rubbing occurs determine cause and correct before proceeding Ill For Pumps with Packed Stuffing Box For proper operation packing must leak to provide lubrication and cooling Packing should be gradually run in until a leakage rate of at least 40 60 drops per minute is achieved Do not attempt to eliminate leakage by over tightening the gland nuts If any solids are present in the pumpage it will be necessary to provide a clean liquid flush to the lantern ring connection in the stuffing box cover flushes between the rings of packing GRISWOLD PUMP COMPANY Repair Maintenance Page 32 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation
17. year It s helpful to establish performance benchmarks during the early stages of pump operation while parts are new and installation adjustments are correct This data should include Pump developed head as measured by suction and discharge gauges Pump flow rate This may be difficult to define in most installations However it s nice to know Motor amp draw e Vibration signature When an annual assessment of pump performance is made any changes in the above data may be helpful in determining maintenance that may be required GRISWOLD PUMP COMPANY Routine and Preventive Maintenance Page 34 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Maintenance and monitoring intervals should be shortened if the pump is applied in especially severe service such as highly corrosive liquids or applications with measurable amounts of solids Lubrication Topics All bearings will fail eventually and the cause is usually a failure of the lubricating medium not fatigue Particular attention needs to be paid to this in order to maximize bearing life The standard lubrication for the Model 811 is flood oil Provisions are made on the pump for use of regreasable bearings and also for application of oil mist systems Listings of suitable oils and greases are shown in the Appendix II page 42 With flood oil lubrication the proper level is at the mid
18. 1 Labyrinth Oil Seal Inboard Bronze Optional Carbon Filled Teflon 351 1 Casing Gasket Aramid Fiber with EPDM Rubber 353 4 GlndSud J SS 355 4 GlandNu 80S 358 1 Casing Drain Plug Optional Steel 31655 Alloy20 31655 Monel Hastelloy 360 1 Gasket Frame to Adapter 360A 1 Gasket Bearing End Cover Vellumoid 811XLOnl a8 3 jCasJakScew Steet 496 1 Brg Hsg O Ring BunaRubber 496A 1 Impeller O Ring lass Filled TRE 811L Power End features Duplex Angular Contact GRISWOLD PUMP COMPANY Appendix Page 49 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX IX Before assembling or disassembling the coupling guard de energize the motor lock out the motor controller starter and place a caution tag at the starter indicating that it is disconnected Before resuming normal pump operation replace the coupling guard Griswold Pump assumes no liability when this procedure is not followed ANSI B15 1 COUPLING GUARDS ASSEMBLY PROCEDURES Note If the end plate pump end was previously installed make any necessary adjustments to the coupling and skip to Step 2 l On the 811S 811M and 811L bolt the end plate pump end to the bearing frame Impeller adjustment will not be affected On the 811XL bolt the end plate pump end to
19. ASWOLD xus El DOVER com PANY INSTALLATION OPERATION AND MAINTENANCE MANUAL ANSI Process Pump Sold by G amp W Industrial Sales rae Emerson Avenue arkersburg WV 26104 eg 422 4755 mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 ANSI Process Pump Congratulations You are the owner of a Griswold Model 811 ANSI B73 1 Process Pump The finest ANSI pump made The utmost care has been taken in the manufactureof this pump and as a result our warranty for this product is WARRANTY Seller warrants equipment and its component parts of its own manufacture against defects in materials and workmanship under normal use and service for five 5 years after the date of shipment Seller does not warrant accessories or components that are not manufactured by Seller However to the extent possible Seller agrees to assign to Buyer its right under the original manufacturer s warranty without recourse to Seller Buyer must give Seller notice in writing of any alleged defect covered by this warranty together with all identifying details including the serial number the type of equipment and the date of purchase within thirty 30 days of the discovery of such defect during the warranty period No claim made more than 30 days after the expiration of the warranty period shall be valid Guarantees of performance and warranties are based on the use of the original equipment manufactured OEM repla
20. D PUMP COMPANY Installation Page 14 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 which is inserted into the oil sump in the bearing frame In some instances mechanical seals are flushed from the pump discharge through a heat exchanger Cooling water is to be supplied to the water side of the heat exchanger Flushing Flushing is usually associated with the shaft sealing and is application specific Mechanical seals are usually flushed to prevent localized heating at the seal faces Flush may be with a bypass line from the pump discharge to the gland flush connection or from the gland flush connection to the pump suction If the pumpage contains solids or other contaminants the seal may be flushed from an external clear liquid source usually into the seal gland flush connection If packing is used and flushing is required such as when the pumpage contains minor amounts of solids which would wear the packing and sleeve a clean water flush is introduced into the lantern ring connection on the stuffing box cover This injects water into the lantern ring area between the rings of packing to prevent the intrusion of solids It s helpful to have a pressure gauge needle control valve and flow indication device in this flush line to monitor flushing liquid If the pump is in a suction lift application the stuffing box pressure may be less th
21. DUCTION Foreword This manual is intended to assist those who are involved with the installation operation and maintenance of the Griswold Model 811 ANSI B73 1 Process Pump These instructions should be reviewed in their entirety and should be thoroughly understood prior to installation operation or maintenance on the pumping unit If there are any questions contact either Griswold Pump Company or your local authorized Griswold representative prior to proceeding Failure to read and comply with installation operation and maintenance instructions will void the responsibility of the manufacturer and may result in bodily injury or equipment damage This manual should be kept as a part of the permanent records for the pump and should be readily accessible as a reference to anyone working on the pumping unit Referenced items numbers can be found on the cross sectional drawings that are located in Appendix VIII DEFINITIONS These pumps have been designed for safe and reliable operation when properly used and maintained in accordance with instructions contained in this manual A pump is a pressure containing device with rotating parts that can be hazardous Operators and maintenance personnel must realize this and follow safety measures Griswold Pump Company shall not be liable for physical injury damage or delays caused by a failure to observe the instructions in this manual Throughout this manual the words WARNING CAUTION and NOTE
22. Model 811 As previously mentioned pump and motor shafts need to be in alignment while they are at their intended operating temperature When the shafts are aligned cold at ambient temperature we will intentionally position the motor shaft up or down in vertical parallel alignment to allow for thermal growth Then when the alignment is checked hot at stable operating temperature the shafts should be confirmed to be in alignment Use the values in the following table Table 2 Cold Setting of Parallel Vertical Alignment Pumpage Set DRIVER Shaft Temperature inches 50 F 0 002 low 150 F 0 001 high 250 F 0 005 high 350 F 0 009 high 450 F 0 013 high 550 F 0 017 high 650 F 0 021 high 700 F 0 023 high Laser alignment is usually the most accurate method Follow the laser alignment equipment manufacturer s instructions for this method GRISWOLD PUMP COMPANY Installation Page 13 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Drivers Electric Motors Connect power supply in conformance with local and national codes Line voltage and wire capacity must match the ratings stamped on the motor nameplate CAUTION Severe damage can be done to the pump if it is driven in reverse rotation During installation when the motor is jogged to check rotation this MUST b
23. NOT operate the pump below minimum rated flows or with suction and or discharge valve closed These conditions may create an explosive hazard due to vaporization of pumpage and can quickly lead to pump failure and physical injury 1 Re check motor to ensure that connections are correct Check that thermal overload relays are properly sized and set for operation 2 Ensure that the coupling guard and all other safety related devices and instrumentation are in place and in working order 3 Be sure that the suction isolation valve is completely open Never use the suction valve to control flow This can will lead to starving the pump causing cavitation and vibration and will result in damage to the pump 4 Ifpump handles pumpage at temperature greater than 200 F the pump should be gradually warmed until its temperature is within 100 F of intended operating temperature Heating rate should not exceed 2 5 F per minute Ensure that all flushing and cooling lines as applicable are attached and operational 6 Discharge valve should be cracked open d GRISWOLD PUMP COMPANY Pump Operation Page 18 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 ve 8 Start pump As soon as the driver comes up to full speed gradually open the discharge valve allowing the system to fill and stabilize at the pump s operating capacity and head Li
24. afts The C Face motor adapter may have a mounting foot with an overhung motor or the motor may be supported on its own feet where the adapter is C FACE ADAPTER WITH MOTOR AND PUMP unsupported Disassembly Remove guard Remove the motor by loosening the motor mounting bolts 371 The motor may be heavy and should be properly supported with a clean uncorroded eye bolt or a strap under both end Remove the C Face adapter 340 from the pump bearing frame 228A by loosening the four belts bolts 371N attached to the bearing frame flange Inspect the adapter for signs of corrosion Note cracking scale or debris Clean accordingly It is not necessary to remove the pump R bl and motor coupling hubs eassembly Mount both the pump and motor coupling hubs if not already mounted C Face Adapter Bolting Torque Ft Lbs Slide the C Face adapter 340 over Bolt Frame Dry Lubed the pump shaft 122 and mount S 30 20 against the pump bearing frame Adapter to M 30 20 228A flange using four bolts Pump Frame L 30 20 371N Torque bolts to the values 1431C 145TC 12 8 mou Adapter I8ZTCCOSGTC 30 20 Mount the motor to the C Face SAMT 27 2 adapter 340 using the four or eight motor bolts 371 Torque bolts to the values shown in table Reinstall guard GRISWOLD PUMP COMPANY Appendix Page 43 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation O
25. allation Operation and Maintenance Manual Griswold Model 811 Alignment with Straight Edge and Micrometer With coupling hubs stationary use inside micrometer or calipers to measure the gap between the coupling hubs at 90 intervals Adjust and or shim equipment until the gap difference at all points around the hub s is less than the value shown in Table 1 page 13 FIGURE 8 ANGULAR ALIGNMENT With coupling hubs stationary lay straight edge flat against rim of coupling hub to determine vertical and horizontal alignment offsets Adjust and or shim equipment until the straight edge lies flat against both hub rims vertical and horizontal FIGURE 9 PARALLEL ALIGNMENT The dial indicator method is preferred for checking alignment Dial Indicator Method 1 Scribe or mark index lines on both coupling hubs to indicate where the dial indicator point rests 2 Set dial indicator to zero 3 Slowly turn BOTH coupling hubs so that the index lines match or the indicator point is always on the mark 4 Observe dial reading to determine required adjustments 5 Acceptable parallel and angular FIGURE 10 alignment occurs when the total BIALAMISATORSETUE indicator reading TIR for a complete turn does not exceed the values shown in Table I page 13 GRISWOLD PUMP COMPANY Installation Page 12 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold
26. an atmospheric pressure in which case pressurized water should be supplied to the lantern ring connection to effect a water seal If the pumpage is clean this may be a bypass line from the discharge of the pump Ifthe pumpage contains solids external water injection may be necessary as noted above Prior to pump start up all cooling and flushing lines as applicable must be installed and functional GRISWOLD PUMP COMPANY Installation Page 15 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 PUMP OPERATION Prior to initial pump start up we need to make some checks on the pump and the system Pump Motor Rotation CAUTION Severe damage can be done to the pump if it is driven in reverse rotation Do not install coupling spacer until correct motor rotation has been established If motor rotation has not been established then WARNING Driver power must be locked out to prevent accidental start up and to prevent physical injury 1 With power off and locked out remove spacer between coupling hubs 2 Restore power and momentarily energize jog motor to determine rotation Motor shaft must rotate in direction of arrow on the pump Correct rotation if necessary Note With a three phase induction motor swapping any two leads can change the rotation direction 3 Shut off power and lock out Then while the pump is accessib
27. and lubricant condition bearing temperatures lubricant level vibration If flood oil lubrication oil level should be at the mid point of the bull s eye sight glass Lubricant should be clear with no signs of frothing Changes in bearing temperature may indicate imminent failure e Shaft seal condition mechanical seals should show no visible leakage Packing if used should leak at a rate of about 40 60 drops per minute Overall pump vibration imminent bearing failure can be preceded by a change in bearing vibration Other vibration can arise due to a change in alignment the presence of cavitation or resonances between the pump it s foundation or valving in the suction and or discharge lines Pump discharge pressure actually pumps should be provided with gauges on both the suction and discharge The difference between the gauge readings will indicate the total developed head of the pump A gradual decrease in the developed head of the pump will indicate an opening of the impeller clearance and the need for impeller clearance adjustment to maintain design pump performance Quarterly Maintenance Every three months the following inspections should be done e Check foundation and hold down bolts for tightness e Oil should be changed every 3 months or 2000 operating hours whichever comes first Shaft alignment should be checked Annual Maintenance The pump s performance should be measured in detail at least once per
28. any other required protective clothing injury and equipment damage If the pump contains toxic or hazardous Toxic or hazardous materials must be handled fluids proper personal protective equipment and disposed of properly in accordance with all must be worn applicable environmental regulations Never apply heat to remove parts Trapped Allow system components to cool before liquid may cause an explosion and cause handling physical injury The Griswold Model 811 is an ANSI B73 1 design which is back pull out The pumping assembly back pull out assembly can be removed from service without disturbing the casing or the driver An exception to this would be when a C face adapter is used to support the electric motor and keep the pump and motor shafts in alignment Removing Pump from Service 1 Lock out power supply Close suction and discharge valves 3 Drain liquid from casing and flush as necessary or required If liquid is toxic or hazardous wear appropriate protective equipment and handle liquid properly 4 Remove coupling guard and coupling spacer as stated in Appendix IX 5 If oil lubricated remove drain plug drain oil and replace drain plug 6 Disconnect any flushing or cooling lines Remove frame foot hold down bolts 8 Remove complete back pull out assembly by removing frame adapter to casing bolts Item 370 and tightening jacking screws Item 418 Support back pull out assembly with appropri
29. are used to indicate procedures or situations which require special operator attention AwarninG Operating procedure practice etc which if not correctly followed could result in personal injury or loss of life CAUTION Operating procedure practice etc which if not followed could result in damage or destruction of equipment Note Operating procedure condition etc which is essential to observe GRISWOLD PUMP COMPANY Introduction Page 3 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Serious injury or damage to the equipment could result unless care is taken to properly lift and support equipment Receiving the Pump Care should be taken when unloading and handling the pump especially with regards to rigging and lifting Suggested methods are FIGURE 1 FIGURE 2 PUMP ONLY PUMP WITH BASE ONLY FIGURE 3 PUMP WITH BASE amp MOTOR Never use eyebolts for lifting the pump Eyebolts are used only to assist in lifting the back pull out assembly component of the pump during maintenance Upon receipt a thorough inspection should be made of the pump and related equipment If materials are not received in good condition or there are shortages make a notation of the damage and or shortage on both the receipt and the freight bill Submit any claims to the transportation company promptly A docu
30. as necessary Foundation not rigid Tighten hold down bolts of base pump and motor Recheck alignment Worn bearings Replace as necessary Suction and or discharge piping not anchored correctly Review design modify as necessary Pump cavitation Review suction system correct problem s Excessive stuffing box leakage Packing gland improperly adjusted Tighten gland nuts Stuffing box not packed properly Check re pack as necessary Shaft sleeve scored ridged Replace as necessary Worn mechanical seal Replace as necessary Excessive power required Actual head lower than design Throttle discharge valve slightly trim impeller Review design Liquid heavier than expected Review design Stuffing box packing too tight Re pack pump Rotating parts binding Check pump internals GRISWOLD PUMP COMPANY 304 422 4755 Pump Operation Sold by G amp W Industrial Sales Page 20 mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 REPAIR MAINTENANCE Disassembly and Reassembly Warnings Prior to working on this or any pump note the following safety precautions and warnings Warnings and Precautions Lock out power supply Close suction and discharge valves Pump components can be heavy Proper Wear steel toe shoes safety glasses gloves lifting methods must be used to avoid physical and
31. ate lifting device s 9 Inspect casing internals for wear 10 Using suitable lifting device s transport back pull out assembly to maintenance area FIGURE 12 BACK PULL OUT REMOVAL GRISWOLD PUMP COMPANY Repair Maintenance Page 21 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Disassembly Required tools Open End Wrenches Impeller Wrench Snap Ring Pliers Spanner Wrench Dial Indicator Micrometer Feeler Gages Drift Punch Bearing Puller Rubber Mallet Hydraulic Press Cleaning Agents Impeller Removal 1 Secure pump back pull out assembly to work bench Induction Bearing Heater Allen Wrenches Torque Wrench Hoist Screwdriver s 2 Scribe line on pump shaft at end of SOUDHNE hub and proceed to remove hub from shaft 3 Remove impeller Item 101 Do not apply heat Use impeller shaft wrench for S and M frames Note For L and XL frames use a spanner wrench or other suitable tool that will not mark the shaft Slide wrench over shaft Item 122 and key Item 400 Turn impeller clockwise viewed from impeller end of shaft to raise wrench off of workbench Abruptly turn impeller counterclockwise to impact wrench against FIGURE 13 workbench or block of wood Repeat as necessary until impeller loosens on shaft threads Spin off impeller and discard o ring seal Item 496A Note Wear Gloves IMPELLER REMOVAL R
32. cement parts Griswold Pump Company assumes no responsibility or liability if alterations non authorized design modifications and or non OEM replacement parts are incorporated If requested by the Seller any equipment or its component parts must be promptly returned the Seller prior to any attempted repair or sent to an authorized service station designated by Seller and Buyer shall prepay all shipping expenses Seller shall not be liable for any loss or damage to goods in transit nor will any warranty claim be valid unless the returned goods are received intact and undamaged as a result of shipment Repaired or replaced material returned to customer will be shipped F O B Seller s factory Seller will not give Buyer credit for parts or equipment returned to Seller and will not accept delivery of any such parts or equipment unless Buyer has obtained Seller s approval in writing The warranty extends to repaired or replaced parts of Seller s manufacture for ninety 90 days or for the remainder of the original warranty period applicable to the equipment or parts being repaired or replaced This warranty applies to the repaired or replaced part and is not extended to the product or any other component of the product being repaired Repair parts of its own manufacture sold after the original warranty period are warranted for a period of one 1 year from shipment against defects in materials and workmanship under normal use and service
33. ck gasket surface for signs of corrosion or irregularities Impeller Visually inspect impeller vanes for wear erosion or corrosion damage If vanes are worn more than 1 8 deep or if they are bent the impeller should be replaced Frame Adapter Visually inspect for cracks warpage or corrosion damage Replace if any of these signs appear Bearing Housing Visually inspect for signs of wear or corrosion Check for cracks and or pits Check tolerances as noted in Appendix III Replace if worn or out of tolerance Seal Chamber Stuffing Box Cover Visually inspect for cracks pitting erosion or corrosion Check face of cover for wear scoring or grooves Replace if worn more than 1 8 deep Shaft Check shaft for evidence of corrosion or wear Check shaft diameters in bearing fit areas See Appendix III for dimensions and tolerances Check shaft for straightness Maximum TIR at sleeve journal and coupling journal should not exceed 0 002 inches GRISWOLD PUMP COMPANY Repair Maintenance Page 26 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Power End Assembly S and M Frame Pumps Replace all plugs that had been removed during disassembly Replace sight glass Use thread sealant Replace frame foot 1 Install outboard bearing Item 112 on shaft If bearings are grease lubricated install single shielded bearing with shield toward the im
34. e done with the coupling spacer removed Do not install coupling spacer until correct motor rotation has been established Engine Drives WARNING Operators must become familiar with the installation and service manual as supplied by the engine manufacturer Safe and efficient operation of a pumping unit driven by an engine whether diesel or gasoline requires the installation to satisfy the following requirements 1 Be well ventilated in order to keep the ambient temperature as low as possible 2 Provide ample air for proper combustion 3 Provide the engine with an efficient exhaust system so that the combustion gases discharge with a minimum of backpressure 4 Provide for a fuel system of adequate capacity which meets the local codes Provide ample accessibility to service engine 6 Provide engines drives for correct rotation of the pump Engine rotation is determined at the factory No change of engine rotation can be made in the field e FINNED TUBE COOLER Flushing and Cooling Lines Pump auxiliaries such as flushing and cooling are application specific In general however note the following Cooling Bearing cooling is required for applications with pumpage temperature above 350 F or if bearings operate above approx 180 F Bearing cooling is accomplished with a finned tube cooler Item Qty Description GD 1 1 NPT x 1 2 Compression Fitting 2 3 1 2 NPT X 1 2 Compression Fitting GRISWOL
35. e submergence of the supply exit below the liquid level Discharge Piping 1 Discharge piping will normally be larger than the pump discharge size so a concentric increaser is usually used for adaptation Locate increaser below check valve 2 Acheck valve and isolation valve should be located in the discharge line The check valve should be located between the isolation valve and the pump This will prevent back flow through the pump reverse rotation and will also serve to reduce any back pressure 3 Ifan expansion joint is used it should be located between the check valve and the pump Proper anchoring is necessary GRISWOLD PUMP COMPANY Installation Page 9 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Alignment of Pump Driver Shafts Driver power must be locked out before beginning any alignment procedure Failure to lock out driver power may result in serious physical injury Note Proper alignment is the responsibility of the installer and user of the equipment Note Check alignment if process temperature changes piping changes and or pump service is performed Pump and driver shafts need to be aligned for both parallel and angular alignment If there is a misalignment of the shafts it will place a mechanical load on the pump and driver shaft bearing assemblies as well as the coupling This will result in vibration noise and
36. earings every 2000 hours of operation or every three 3 months whichever occurs first CAUTION Never mix greases of different consistencies or different types After the above steps have been completed install the coupling spacer and install the coupling guard as stated in Appendix IX Stuffing Box Shaft Seal For pumps with mechanical seals the seal has been installed at the factory No further adjustments are necessary If cartridge seals are used ensure that the positioning clips have either been removed or re positioned for operation If pump is furnished with packing check to see that the gland nuts are finger tight only Packing must be run in gradually after initial start up For proper operation packing must leak at least approximately 40 60 drops per minute in order to lubricate and cool the packing and shaft sleeve Once the pump has been placed in operation the gland nuts should be tightened 1 4 turn at a time until the required leakage rate is attained This may take several hours A pump must never be allowed to run dry or without liquid in the seal chamber Operating a pump without liquid in the casing or seal chamber even briefly can result in damage to the mechanical seal damage to the pump or personal injury Priming A centrifugal pump must be primed before operation If run dry damage can occur to close clearance parts and the mechanical seal will be destroyed If not primed the pump will not deliv
37. emoval of Stuffing Box Cover Mechanical Seal Pumps Seals may be component type or cartridge type With a cartridge seal the gland sleeve and seal rotary and stationary are an assembled unit Component Seal 1 Remove seal gland stud nuts Item 355 Separate seal gland Item 250 and slide gland toward bearing isolator Item 333A 2 Remove seal chamber stud nuts Item 370H 3 To remove seal chamber Item 184 slide chamber forward and off of pump shaft 4 Remove seal rotary together with shaft sleeve Item 126 Note that seal set screws may have to be loosened Remove seal rotary from shaft sleeve Slide seal gland with stationary seat and o ring gasket off of pump shaft Be careful not to damage the stationary FIGURE 14 STUFFING BOX COVER REMOVAL seat of the seal as it is located in the gland bore GRISWOLD PUMP COMPANY Repair Maintenance Page 22 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Cartridge Seal Refer to seal manufacturer s drawing Replace seal rotary positioning clips Loosen seal sleeve axial adjustment set screws Remove seal gland stud nuts Item 355 Slide cartridge seal assembly back toward isolator Item 333A Remove seal chamber stud nuts Item 370H To remove seal chamber Item 184 slide chamber forward and off of pump shaft Remove cartridge seal assembly SOY Ur d t9 TS ES Re
38. en me pen en emn le id CES ES ESTE S ESESTSIRSES 0 400 300 200 100 0 100 200 300 400 500 600 max case working pressure PSIG temperature degrees fahrenheit Note Final selections must be based on temperature and pressure limits given in general data section GRISWOLD PUMP COMPANY Appendix Page 45 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX VII Parts Interchangeability Chart Casings and impellers are unique for each pump size Stuffing box covers and adapters except for S frames are shared by casing class e g 10 casings for pump sizes 1 x 2 10 2 x 3 10 3 x 4 10 etc Frame parts are interchangeable within each frame group e g S Frame M Frame etc componentinterchangeability shaft amp bearing frame adapter stuffing box impeller casing casing size 1 x 1 6 Model 811S gt 1 3 8 shaft diameter amp LF 175 x 1 8 max BHP 40 HP P P a 14 x1 8 3 x 14 8 3x2 8 4x3 8 4x 3 8G LF2 x 1 10 2x 1 10 3 x 14 10 3x2 10 4x 3 10 6 x 4 10G 6 x 4 10H 3 x 14 13 3 x 2 13 4x3 13 Model 811M 1 3 4 shaft diameter amp QS wy max BHP 122 HP Model 811L 2 1 8 shaft diameter max BHP 200 HP Model 811XL d 2 1 2 shaft diameter gt max BHP 249 HP gt gt Q C LECCE OG 6006000606006 00600060006 00000 CCCCC 666666006666 6000660006 0006 CC 000
39. er liquid Systems with Positive Suction Head Flooded Suction Slowly open the suction isolation valve Open air vents in suction and discharge piping until liquid flows out Close all vents GRISWOLD PUMP COMPANY Pump Operation Page 17 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Systems on Suction Lift with Foot Valve See illustration at left Note vent location above z pump discharge nozzle m bed pmen For initial start up when discharge system is PF nee empty it may be necessary to provide prime with T MA Bos me an external or outside water source Once the lax discharge system is full re priming may be done l E dr f t pw with a bypass as shown ae E a a y With vent open furnish water into the pump and pe ees e nae mre eo i suction piping with either a bypass line from the WA discharge system or from an outside source FIGURE YN Once liquid escapes from the vent the pump and EE suction pipe should be full of liquid primed Systems on Suction Lift without Foot Valve This will require a source of vacuum vacuum pump or eductor to lift water liquid up through the suction piping AND the pump Vacuum connection must be located above the pump discharge to completely prime Once liquid is pulled through the vacuum connection prime is achieved Starting the Pump WARNING DO
40. fferent types m bearing isolators These labyrinth seals are very 2 o Bearing Isolators P j The Model 811 pump is furnished with Inpro amp BES eee P Fi 9 effective at keeping oil in the bearing frame and 7 keeping contaminants out For proper operation gt T ROTOR the drain hole needs to be at the bottom six 8 o clock position This is a non contacting seal VBX RING moronomvemwo and therefore has a theoretically infinite life STATOR GASKET Due to its close clearances however it can be m damaged through an outright bearing failure Its rotor is driven by a replaceable o ring which fits LUBE RETURN LOCATION RAMP cen wv M ww GRISWOLD PUMP COMPANY Routine and Preventive Maintenance Page 35 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 onto the pump shaft The stator OD is sealed with a replaceable o ring There is another o ring which is internal to the seal that cannot be replaced so the seal should be treated as an assembly replaced as an assembly if necessary GRISWOLD PUMP COMPANY Routine and Preventive Maintenance Page 36 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 SPARE PARTS We recommend that as a minimum the following parts be kept on hand as spares
41. g bore Note Locate ends of snap ring so that they do not obstruct the flow of oil through the return groove Rotate shaft to make sure that it turns freely 8 Apply thin film of lubricant to outside of bearing housing Item 134 9 Apply thin film of lubricant to frame bore ID Install shaft assembly into bearing frame Item 228 Rotate shaft to make sure that it turns freely 10 Install cap screws Item 370C into bearing frame Item 228 Install jack bolts Item 370D and lock nuts Item 423 Hand tighten evenly 11 On M frames install new gasket in frame face Item 360D Power End Assembly L Frame Pumps The L frame is similar to the S and M frames except that the thrust bearing is retained in the bearing housing by an end cover and screws rather than a snap ring The thrust bearing is a duplex angular contact type It also uses an oil slinger Replace all plugs that had been removed during disassembly Replace sight glass Use thread sealant Replace frame foot 1 Ifremoved install oil ring Item 248A on shaft Note Oil Slinger is a press fit onto the shaft Use proper size drive tool to prevent damage GRISWOLD PUMP COMPANY Repair Maintenance Page 27 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 2 Install bearing cover Item 253B over shaft 3 Install outboard bearings Item 112 Note L frame uses a duple
42. gnment limits as these will impose unacceptable loads on the pump and motor shafts and bearings Alignment must be done at several different times Prior to grouting baseplate during installation After grouting baseplate and tightening anchor bolts After attaching suction and discharge piping prior to initial operation Hot alignment after equipment temperatures have stabilized After pump maintenance if back pull out assemblies are removed A e a Since the Model 811 pump is foot mounted its shaft centerline will rise when handling pumpage at elevated temperatures Similarly the motor shaft centerline will rise as it reaches its operating temperature Therefore we will often purposely mis align shafts vertically during cold alignment to allow for thermal growth thus bringing the shafts into alignment at operating temperature This is shown in Table 2 on Page 15 The Griswold Model 811 is an ANSI B73 1 Process Pump and is therefore furnished with a spacer coupling to enable removal of the back pull out assembly without disturbing the casing or moving the motor driver Note Alignment is done with the coupling spacer removed The most simple alignment check is with a straight edge and calipers or inside micrometer This method is the least accurate but it will serve if a dial indicator or laser is not available GRISWOLD PUMP COMPANY Installation Page 11 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Inst
43. guard half toward the pump See Figure A 5 2 Remove the nut bolt and washers from the driver end of the coupling guard half 3 Slightly spread the bottom of the driver end coupling guard half and lift it off 4 Remove the nut bolt and washers from the pump end of the coupling guard half 5 Slightly spread the bottom of the pump end coupling guard half and lift it off 6 Remove the bolts from the bearing housing and remove the end plate See Figure A 2 GRISWOLD PUMP COMPANY Appendix Page 52 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX X Seal Guard Seal guards shown below are available when all rotating shaft components must be covered This option is required for all CE pump models When ordered the pump will be shipped with the seal guard installed The seal guard is sup plied with captive fasteners to secure the guard in place Prior to startup ensure that the guard has not been removed damaged or loosened during trans portation loading unloading installation etc Never loosen or remove the seal guard during operation Before removing the seal guard for pump maintenance de energize the motor lock out the mo tor controller start and place a caution tag at the starter indicating that it is disconnected Before resuming normal pump operation replace the seal guard For maintenance the guards can be
44. gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX Impeller Clearance Adjustment WARNING Drive power must be locked out to prevent accidental start up and physical injury Feeler Gauge Method 1 Lock out power supply to motor 2 Remove coupling guard and coupling spacer 3 Loosen jack bolts 370D and jam nuts 423 4 Tighten bearing housing bolts 370C evenly while slowly rotating the shaft until the impeller just starts to rub on the casing 5 Using a feeler gauge set the gap between the three housing bolts 370C and the bearing FEELER GAUGE METHOD housing Set the gap according to the table below as required 6 Tighten jacking bolts 370D evenly until bearing housing backs out and contacts the bearing housing bolts 370C 7 Tighten jam nuts 423 evenly Rotate shaft to make sure that it turns freely 8 Reinstall coupling spacer and coupling guard Dial Indicator Method WARNING Drive power must be locked out to prevent accidental start up and physical injury 1 Lock out power supply to motor 2 Remove coupling guard and coupling spacer 3 Place a dial indicator with a magnetic mounting base on the surface of the pump baseplate Position indicator against face of pump shaft 4 Loosen jacking bolts 370D and jam nuts 423 5 Tighten bearing housing bolts 370C evenly while slowly rotating the shaft until the impeller
45. hat it does not tip over Check shaft endplay by moving shaft forward and backward by hand Dial indicator movement should be within tolerances below Frame Endplay inches 0 0011 0 0019 0 0013 0 0021 0 0010 0 0015 0 0014 0 0023 FIGURE 20 BEARING END PLAY CHECK zu Check Shaft Runout 1 Install shaft sleeve Item 126 Install impeller Item 101 on shaft Item 122 2 Position dial indicator as shown at left 3 Rotate shaft one full revolution and check for shaft sleeve run out 4 If total indicator reading TIR is greater than 0 002 disassemble and FIGURE 21 determine cause correct SHAFT RUNOUT CHECK GRISWOLD PUMP COMPANY Repair Maintenance Page 29 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 FIGURE 22 FRAME FACE RUNOUT CHECK 3 Check Frame Face Runout 1 2 Place indicator against face of frame as Attach dial indicator to shaft shown at left Rotate shaft by hand so that indicator sweeps the entire fit for 360 degrees Maximum indicator runout should be no more than 0 005 inch If greater disassemble and determine cause Power Frame Checks for Liquid End Assembly FIGURE 23 ADAPTER FACE RUNOUT CHECK Check Adapter Face Runout 1 2 Install frame adapter 108 with bearing isolator Install adapter gasket
46. ing Item 134 by sliding housing over the bearing and GRISWOLD PUMP COMPANY Repair Maintenance Page 25 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 removing housing from impeller end of shaft 4 Remove bearing locknut Item 136 and lock washer Item 382 Note When pressing bearings off shaft use force on inner race only 5 Press outboard bearing 112 off of shaft Parts Inspection ALL PARTS MUST BE INSPECTED BEFORE REASSEMBLY TO INSURE THAT THE REBUILT PUMP WILL PERFORM PROPERLY EACH PART SHOULD BE EXAMINED FOR SIGNS OF FATIGUE EXCESSIVE WEAR AND CRACKS REPLACE ANY WORN PARTS IF THEY DO NOT MEET THE FOLLOWING TOLERANCE STANDARDS Bearing Frame and Foot Visually inspect for cracks roughness rust or scale Check machined surfaces for pitting or erosion Bearing Frame Inspect tapped connections for dirt Clean and chase threads as necessary Remove all loose or foreign material Inspect lubrication passages to be sure that they are open Inspect inboard bearing frame bore bearing fit Tolerances shown in Appendix Shaft and Sleeve Visually inspect Check for grooves or pitting Check bearing fits and shaft runout Replace shaft and sleeve if worn or if tolerances are greater than 0 002 Casing Visually inspect for signs of wear corrosion or pitting The casing should be replaced if wear exceeds 1 8 deep Che
47. le for adjustments impeller clearance should be checked as well as pump lubrication Impeller Clearance Impeller clearance is set during factory pump assembly but it should be checked prior to initial pump start up especially if pumpage is at elevated temperature where greater clearances are required Clearances and adjustment procedures are shown in the Table 3 Page 40 Once clearance has been set and bolts tightened rotate shaft by hand just to be sure Expect some drag from the mechanical seal Pump Lubrication The standard lubrication for the Model 811 is flood oil Lubrication options include oil mist re greasable bearings and greased for life bearings See Appendix II for recommended lubricants Pumps with flood oil lubrication are not filled with oil at the factory This must be done prior to initial operation and at regular intervals thereafter Failure to do so will cause bearing failure or pump seizure GRISWOLD PUMP COMPANY Pump Operation Page 16 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 If re greasable bearings are supplied grease fittings are furnished on the bearing frame Prior to initial start up clean any dirt or foreign matter from the grease fittings Remove grease plugs from the bottom of the frame Pump grease through the fittings into each bearing cavity until fresh grease comes out of the relief ports Re grease b
48. lly tightened until the grout has set Grouting furnishes support for the pump unit baseplate providing rigidity helping to dampen any vibration and serves to distribute the weight of the pump unit over the foundation To be effective grouting must completely fill all voids under the baseplate For proper adhesion or bonding all areas of the baseplate that will be in contact with the grout should be thoroughly cleaned See note above The grout must be non shrinking Follow the directions of the grout manufacturer for mixing Proceed with grouting as follows Note If the size of the equipment or the layout of the installation require it grouting can be done in two steps as long as the first step is allowed to cure completely before the second step is applied Build a sturdy form on the foundation around the baseplate to contain the grout Soak the top of the concrete foundation pad thoroughly Remove surface water before pouring 3 Pour the grout through the hole s in the top and or through the open ends of the channel steel baseplate eliminating air bubbles by tapping using a vibrator or pumping the grout into place If necessary drill vent holes into the top of the base to evacuate air Allow grout to set completely usually a minimum of 48 hours Tighten foundation anchor bolts Re check alignment to ensure that there have been no changes After the grout has dried thoroughly apply an oil base paint to shield the grout from air and
49. ls chemicals scale deposits corrosion lightning improper voltage mishandling or other similar conditions e any loss damage or expense relating to or resulting from installation removal or reinstallation of equipment f any labor costs or charges incurred in repairing or replacing defective equipment parts including the cost of reinstalling parts that are repaired or replaced by Seller g any expense of shipment of equipment or repaired or replacement parts or h any other loss damage or expense of any nature CONDITION OF WARRANTY WORK If Buyer is in default including but not limited to the failure of Buyer to maintain a current account with Seller under the Order or any other agreement between Buyer and Seller Buyer s rights under the warranty shall be suspended and the aiginal warranty period will not be extended PERFORMANCE Equipment performance is not warranted or guaranteed unless separately agreed to by Seller in accordance with its guarantee policy Performance curves and other information submitted to Buyer are approximate and no warranty or guarantee shall be deemed to arise as a result of such submittal All testing shall be done in accordance with Seller s standard policy LIABILITY LIMITATIONS Under no circumstances shall the Seller have the liability under the Order or otherwise for liquidated damages or for collateral consequential or special damages or for loss of profits or for actual losses of production
50. mentation package is included with the pump shipment Do not discard these materials Put them in a safe place for easy reference GRISWOLD PUMP COMPANY Introduction Page 4 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Storage If pumps are to be stored prior to installation they should be kept in a clean dry environment Depending upon the duration of the storage it may be necessary to apply preservatives and to perform routine maintenance such as regularly rotating shafts to prevent flat spots from forming on the bearings in both the pump and driver If pumps are to be stored for more than 4 6 months prior to installation and or start up follow recommendations listed below Storage for more than 4 6 months will require pumps to be prepared for long term storage Preservative treatment should be added to the power frame to aid against condensation and rust Treatment shall be similar to Royal Purple VP Preservative Oil 10 All machine surfaces that are not painted or not of corrosion resistant material shall be coated with a light coat of machine oil or grease The pump and motor shaft should be turned several rotations every 3 months or less and left 90 degrees from the original position Store in a dry protected location insuring that flange covers are left in place and all openings are plugged Similarly if the pump is to be installed and then
51. moval of Stuffing Box Cover Packed Stuffing Box Pumps 1 Remove packing gland stud nuts Item 355 2 Remove stuffing box cover stud nuts Item 370H 3 Remove stuffing box cover Item 184 by sliding cover forward and off of pump shaft 4 Remove packing rings Item 106 and lantern ring Item 105 Removal of Frame Adapter Frame adapters are used on M L and XL group pumps They are not used on 6 S group pumps and ring adapters are on 8 S group pumps 1 Remove dowel pins Item 469B 2 Remove frame to adapter bolts Item 370B 3 Separate frame from adapter and discard gasket Item 360D 4 Do NOT remove the labyrinth seal or bearing isolator assembly Item 333A Eu nem from the frame adapter Unless damaged the o rings in the isolator do not require service or replacement GRISWOLD PUMP COMPANY Repair Maintenance Page 23 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Power End Disassembly S and M UH Pumps 1 Remove cap screws Item 370C loosen jam nuts Item 423 2 Tighten jack bolts Item 370D evenly Bearing housing will begin to back out of frame 3 Slide shaft assembly with bearing housing out of bearing frame 4 Remove all jackscrews and nuts Item 370D and Item 423 5 Remove and discard bearing housing o ring Item 496 FIGURE 16 SHAFT BEARING HOUSING REMOVAL l
52. mportant to monitor the performance of a pump So in this regard it s recommended that gauges be installed in the suction and discharge lines Select the appropriate gauge range to provide accurate readings On pumps with suction lift use a compound or vacuum gauge on the suction side Suction Piping General Properly designed and installed suction piping is critical to the successful operation of a pump When pump operational problems are encountered the causes are most often on the suction side To achieve proper pump performance consider the following 1 Avoid using elbows close to the pump suction flange as this can create an uneven flow into the pump suction and impeller If an elbow is necessary it should be of the long radius type and there should be a minimum of six pipe diameters of straight pipe between the elbow and the pump suction nozzle 2 The suction pipe should be at least one size larger than the pump suction size This will require an eccentric reducer to transition from the suction pipe to the pump suction flange The flat side of the eccentric reducer is at the top This is to prevent air pockets in the suction line 3 Ifa strainer is used on the pump suction side it must have a free area at least three 3 times the area of the suction pipe It must be checked and cleaned regularly as a clogged strainer will reduce NPSH available and may cause cavitation 4 Never throttle the suction side of the pump This can cau
53. ng lock washer Item 382 on shaft Place tang of lock washer in shaft keyway under bearing Thread locknut Item 136 onto shaft and tighten until snug Bend a tang of the lock washer over a flat on the lock nut 3 Lightly lubricate the outside of the outboard bearing and the bearing housing bore Slide bearing housing over shaft and onto the outboard bearing DO NOT FORCE 4 Lightly lubricate coupling end of shaft Install bearing cover Item 109C and gasket Item 360C Tighten bearing cover bolts Item 371C to 12 ft Ibs for dry threads or 9 ft Ibs for lubricated threads 5 Install inboard bearing Item 168A on shaft Note When pressing bearings on shaft use force on inner race only GRISWOLD PUMP COMPANY Repair Maintenance Page 28 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Install new bearing housing o ring Item 496 7 Lightly lubricate outside of bearing housing and ID of bearing frame bore Install shaft and bearing assembly into frame Check that shaft rotates freely 8 Install cap screws Item 370C into bearing frame Item 228 Install jack bolts Item 370D and lock nuts Item 423 Hand tighten evenly 9 Replace frame foot Item 241 and hand tighten bolts Item 370F Power Frame Checks for Liquid End Assembly Check Shaft Endplay Place the power frame in the horizontal position Support frame assembly so t
54. of liquid Suction line obstructed Remove obstruction Impeller clogged Remove obstruction No liquid delivered Wrong direction of rotation Check rotation change if necessary Note Possible severe damage Foot valve or suction pipe has inadequate submergence Check suction source for vortexing correct as necessary Suction lift too high Review revise level on suction Pump does not produce rated flow or head Air leak through gasket Replace gasket tighten connections Air leak through stuffing box Inspect packing mechanical seal add pressurized flush if necessary Impeller partially clogged Remove obstruction Excessive impeller clearance Adjust impeller clearance Inadequate suction head Review revise design Worn or damaged impeller Inspect replace as necessary Pump starts then stops pumping Pump improperly primed Re prime pump Air or vapor in suction line Review revise suction piping to eliminate air pockets Air leak in suction line Check gaskets repair leak Bearings run hot Improper alignment Re align pump and driver Improper lubrication Check lubricant for applicability and level quantity Bearing cooling not working Check cooling water line s Pump is noisy or vibrates Improper alignment Re align pump and driver Partial impeller clog imbalance Remove obstruction Broken or bent impeller or shaft Replace
55. oupling FIGURE A 3 guard half driver end toward the COUPLING GUARD BARREL motor After adjusting the length secure the guard with a bolt nut and two 2 washers through the slotted holes at the center of the guard and tighten Check tightness on all of the nuts on the guard assembly FIGURE A 4 COUPLING GUARD BARREL DRIVER END FIGURE A 5 COUPLING GUARD ADJUSTING THE LENGTH GRISWOLD PUMP COMPANY Appendix Page 51 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Before assembling or disassembling the coupling guard de energize the motor lock out the motor controller start and place a caution tag at the starter indicating that it is disconnected Before resuming normal pump operation replace the coupling guard Griswold Pump assumes no liability when this procedure is not followed DISASSEMBLY PROCEDURES It is necessary to remove the coupling guard for certain pump maintenance and adjustments such as coupling alignment impeller clearance adjustment and so forth Replace the coupling guard after completing maintenance DO NOT resume normal pump operation while the coupling guard is removed Note Refer to the illustration for assembly beginning with Fig A 5 and working in the reverse order l Remove the nut bolt and washers from the center slotted hole on the coupling guard Slide the motor end of the coupling
56. ow its temperature will increase and damage may result GRISWOLD PUMP COMPANY 304 422 4755 Introduction Sold by G amp W Industrial Sales mail gwindustrial com Page 5 Installation Operation and Maintenance Manual Griswold Model 811 INSTALLATION Installation The pump location should be clean well ventilated properly drained and allow room for maintenance and inspection Trouble free operation of a pump begins with proper installation with particular attention being paid to the baseplate and piping attachments A secure baseplate will enable accurate alignment to be attained and maintained Flange loads from misaligned or improperly supported piping will make alignment difficult and will cause premature failures Baseplates and Anchors The preferred mounting for a baseplate is on a concrete pad with grouting No matter how robust its design there is always some flexibility in the baseplate itself If there is insufficient support under the baseplate it can distort causing alignment difficulties and normal vibrations can be amplified to unacceptable levels through resonances in the pump support and or piping A properly grouted baseplate will resist distortion and will provide sufficient mass to dampen any vibration Note When pumps and motors are assembled on a baseplate at the factory a preliminary alignment is done to ensure that the pump and motor can be aligned at its installation This alignment is not
57. peller Bearings can be pressed on the shaft with an arbor press or if available an induction heater can be used Follow all instructions and recommendations of the heater manufacturer When using a press make sure that force 1s applied to the inner bearing race only 2 Install bearing lock washer Item 382 on shaft Place tang of lock washer in shaft keyway under bearing 3 Thread locknut Item 136 onto shaft Tighten nut with a spanner wrench until snug Bend any tang of lock washer over flat on nut Slide bearing retaining snap ring Item 361A over shaft flat side toward the bearing Maximum locknut torque values are shown in the Appendix V Page 46 4 Install inboard bearing Item 168A If using a press make sure force is applied on inner bearing race only NOTE If bearing is grease lubricated it has a single shield The bearing is installed with the shield away from the impeller 5 Install new o ring Item 496 on bearing housing Item 134 Apply a thin coat of oil on the outside of the bearing and the inside of the bearing housing Lightly lubricate the shaft to assist with the installation of the labyrinth seal o ring 6 Slide coupling end of pump shaft through bearing housing Press housing evenly until bearing seats against shoulder in bearing housing DO NOT FORCE Support outer face of bearing isolator to prevent accidental separation of rotor from stator 7 Install bearing snap ring Item 361A in groove in bearing housin
58. peration and Maintenance Manual Griswold Model 811 APPENDIX V Bolt Torque Values Bolt Torque Ft Lbs except where noted DI Casing Alloy Casing Frame Dry Lubed Dry Lubed 8 S 30 20 54 35 6 S D M 59 39 107 71 XL XL 17 170 113 212 141 Frame Adapter All Dry 30 Lubed 20 370B Bearing Clamp Ring L Dry 83 in lbs Lubed 55 in lbs 236A Bearing End XL Cover XL 17 Dry 12 Lubed 9 370G Bearing Locknut Torque Values Maximum Bearing Locknut Torque Ft Lbs Frame Bearing Size Locknut Size Maximum Torque S 5306A C3 N 06 20 M 5309A C3 N 09 50 L 7310BECBM N 10 70 XL 5313A C3 N 13 140 GRISWOLD PUMP COMPANY Appendix 304 422 4755 Sold by G amp W Industrial Sales Page 44 mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 APPENDIX VI Pressure Temperature Ratings Maximum Working Pressure Limits models 811S 811M 811L Class 150 Flanges SSS Stee eee a ae HEAS S HHHH HAN max case working pressure PSIG 400 300 200 100 0 100 200 300 400 500 600 temperature degrees fahrenheit Maximum Working Pressure Limits models 811S 811M 811L Class 300 Flanges Gd il iO el al i a Kal pPSeBSSesE deem o cc FT Ies IE CSE ES IESUS ES E ES ESI EE BE En ss E a al i ll ail ull lad IT ee a a ETE E E E Ec EESTI E Li Pelle le fl hie ci
59. point of the bull s eye sight glass on the side of the bearing frame Avoid over lubrication It can be just as bad as under lubrication Excess oil will cause a slightly higher HP draw and will generate heat Any extra heat is not a good thing It can also cause frothing of the oil After the initial start up of the pump or after a bearing change out the oil should be changed after 200 hours of operation and every 2000 hours or three months thereafter If any cloudiness is observed in the oil it s indicative of water greater than 2000 PPM concentration The oil needs to be changed immediately The most common cause of water contamination is condensation If the pump is furnished with regreasable bearings note that the shields must be located toward the interior of the bearing frame Bearings should be regreased every 2000 hours of operation or three months whichever comes first When regreasing be sure that the grease fittings are absolutely clean Any contamination will decrease bearing life dramatically Avoid overgreasing as this can cause localized high temperatures in the bearing races and create caked solids which are not good After regreasing bearings may run at a slightly higher temperature for a period of one to four hours Remove grease plugs 408H from the bottom of the frame Pump grease through the fittings into each bearing cavity until fresh grease comes out of the relief ports Never mix greases of different consistencies or di
60. premature failures FIGURE 6 FIGURE 7 PARALLEL MISALIGNMENT ANGULAR MISALIGNMENT To bring shafts into alignment we first need to determine the amount and direction of both parallel and angular misalignments We can then shim and reposition to correct It s preferable to shim ONLY under the driver feet since good contact between the pump feet and the base is necessary to resist any pump flange loading that might be imposed by the suction and or discharge piping There are three methods commonly used to determine misalignment 1 Straight edge and calipers or inside micrometer least accurate 2 Dial indicator reasonably accurate 3 Laser Alignment Equipment See manufacturer s instructions for use GRISWOLD PUMP COMPANY Installation Page 10 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Since any misalignment will impose loads on the pump and driver shafts the objective is to minimize any misalignment in order to protect the pump and driver and minimize any tendency for vibration Suggested misalignment limits are Table 1 Pump Frame Group Max Parallel Max Angular S M L 0 005 0 005 XL 0 010 0 010 For optimum performance and Mean Time Between Pump Maintenance MTBPM use alignment limits half of those shown above Note In any case disregard the coupling manufacturer s published misali
61. rint for the seal to be used 2 Remove the impeller and shaft sleeve Remove stuffing box cover 3 Install the mechanical seal stationary seat into the mechanical seal gland 250 Follow the seal manufacturer s instructions Slide the seal gland with the stationary seat over the shaft and locate back towards the bearing frame 4 Install the seal rotary unit on the shaft sleeve following the seal manufacturer s instructions Re install the sleeve with seal rotary on the pump shaft Install stuffing box cover 184 with studs and nuts 370H and 423B Install impeller with o ring being sure to firmly tighten it clockwise 7 Install mechanical seal gland 250 over studs with nuts 353A Tighten nuts evenly Check shaft for free rotation If any binding or rubbing occurs determine cause and correct before proceeding ll For Pumps with Cartridge type Mechanical Seals Cartridge seals unitized i e the gland sleeve seal rotary and seal stationary are pre assembled and seal compression is pre set at the factory Seal faces are held in position for assembly into the pump with positioning screws or clips Since a cartridge seal includes its own shaft sleeve solid pump shafts no sleeve are often used to lower shaft deflection Qv After the preliminary impeller adjustment is made previous page 1 Remove impeller and stuffing box cover 2 Install cartridge seal assembly over the pump shaft or pump shaft sleeve if used being careful
62. s ripis aie pus Ded eR ped peli e athe rae ele editt ibunt amp 35 Spare Parts Recornmimend d Spare l2 ote tenbodepr xu ER Ue RIT MEAE I RU Racha ear eed eed d eds 37 Ordermbs PariS zoo usce ates ca recat cra iu S e I teen UM CH rice tee ME 37 Appendix Impeller Clearance Adjustment lesleeeeeeeeeeeee RR e 38 Recommended Lubricants seai e e aaraa aaa a ia aiaa E aaa Rh e ee 40 Beating Fits and Tolerances epp s v peene oy aad en DS Se EA ee ee pb Yd d 42 G FaceAdapter oli ee iniaa deai i ERE ERG RU RR ek Se ee RU Ear E e ERE dud 43 Bolting and Bearing Locknut Torque seeseeeeeeeeeeee en etn nent tenet ene 44 Pressure Temperature RatingS 0 0 eee ehh hh e e e ehe 45 Parts Int rchangeability is sosccda pus ERR RR EHRROEPA P ERRARE QUURE a GRO FUP ERU 46 S Group Pump Cross sectional 0 0 eee m rn 47 M Group Pump Cross sectional 0 eect e nee teen rn 47 L Group Pump Cross sectional 0 0 0 eee nent n 48 XL Group Pump Cross s ctiotial 2 cessere usc Mas VERG Oe ems Gada S Lede Y e ade ded 48 Parts List with Materials of Construction 0 2 0 0 0c cece cette n 49 ANSEBIS I Coupling Guards scsi sss Ro 6 dea Gating EUR Ed Rede d PESE FA quei ads 50 Seal Guard iioi RS ett RUETDIASRPPHPERCOCPRP C aed ge duke Ide uS Rd E Ede 53 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 INTRO
63. se cavitation and will likely damage the pump 5 When the suction supply source feeds more than one pump separate suction lines are recommended GRISWOLD PUMP COMPANY Installation Page 8 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Suction Piping Suction Lift Installations 1 Suction lines when operating under lift conditions must be absolutely free from air leaks 2 Suction piping should gradually slope upward toward the pump 3 NPSH available must be greater than the NPSH required by the pump 4 A means of priming the pump such as a foot valve must be provided 5 Pipe must be supported properly to prevent flange loading 6 Provide adequate submergence over the FIGURE 5 suction pipe inlet to prevent formation of vortices Suction Piping with Positive Head Flooded Suction 1 The suction line must include an isolation valve to close off the source of supply when performing inspection or maintenance on the pump Install this valve at least two pipe diameters before the pump suction nozzle 2 Piping should be level or gradually slope downward from the suction source in order to avoid air pockets 3 Attention should be paid to the design of the exit from the supply source to prevent the formation of vortices or eddies that can draw air into the pump This relates to the velocity of the outflow and th
64. started at a later date it may be advisable to protect the pump during the idle time especially if it s to be exposed to the elements Safety If procedures outlined in this manual are not followed personal injuries may result Griswold pumps have been designed and manufactured for safe and reliable operation when properly applied operated and maintained in accordance with this instructional manual Your safety is a primary concern for Griswold Pump so we offer the following recommendations General Safety Precautions Never apply heat to remove an impeller Always wear personal protective gear safety Trapped liquid when heated may cause an glasses steel toed shoes gloves etc when explosion working on the pump Never use heat during the dis assembly of the pump Trapped liquid when heated may cause an explosion Always lock out the driver before performing maintenance on the pump Never operate the pump without the coupling guard in place Never operate the pump with safety devices disengaged Never operate the pump beyond the service conditions for which it was sold Always follow established decontamination procedures before working on the pump Always start the pump only with proper prime Never run the pump dry Never operate the pump without the suction valve fully open Never operate the pump with a fully closed discharge valve If the pump is operated with no fl
65. sten for any untoward noise check for any significant vibration or indications of binding If any of these are observed the pump should be stopped immediately and a thorough check of the installation should be made to determine the cause Correct any fault s prior to re starting the pump Check the shaft seal If pump has mechanical seal s there should be no visible leakage If pump has packing there should be a steady leakage stream Packing leakage should be reduced GRADUALLY by tightening the gland nuts 4 turn at a time until a leakage rate of 40 60 drops per minute is achieved This may take several hours and several adjustments Once the pump and motor have reached stabilized operating temperatures final alignment should be checked 1 Stop the pump 2 Lock out the power source 3 Immediately remove the coupling guard and coupling spacer 4 Check alignment as described in the Installation page 12 section 5 Make any necessary alignment corrections 6 Re install coupling spacer and coupling guard GRISWOLD PUMP COMPANY Pump Operation Page 19 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Troubleshooting If problems are encountered during start up or pump operation refer to the folowing table for likely causes Problem Likely Cause Remedy Pump not primed Re prime pump check that suction line is full
66. t 6 Using snap ring pliers remove bearing retaining ring Item 361A 7 Remove bearing housing Item 134 from shaft by tapping the shaft with a rubber mallet driving the thrust bearings and shaft assembly through the housing Do not remove lab seal 8 Remove bearing lock nut Item 136 and lock washer Item 382 When pressing bearings off shaft use force on inner race only 9 Using an arbor press remove inboard and outboard bearings Slide snap ring off shaft after bearings have been removed Note FIGURE 17 BEARING REMOVAL 10 Complete disassembly of bearing frame if required Remove oil fill plug 113A oil sight glass 408N and 4 oil mist grease plugs 408H Remove oil cooler inlet and outlet plugs 408L and 408M On M models remove frame foot attachment bolts 370F GRISWOLD PUMP COMPANY Repair Maintenance Page 24 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Power End Disassembly L Group Pumps L group power ends use a clamp ring Item 253B instead of a snap ring to retain the thrust bearing in the bearing housing Refer to cross sectional view in Appendix VIII Extract shaft bearing housing assembly from frame as with S and M Group pump noted above Then 1 Remove clamp ring by removing clamp ring screws Item 236A 2 Remove bearing housing Item 134 from shaft by tapping
67. t exceed 0 005 for outside diameter of pilot fit face of casing gasket surface and stuffing box cover face If greater values are measured disassemble and determine cause before proceeding with assembly Check Impeller Runout 1 Install shaft sleeve if used and impeller Lightly tighten impeller onto shaft 2 Attach dial indicator to flange of frame adapter Position indicator on tip of impeller vane Rotate shaft 360 degrees Check impeller run out from vane tip to vane tip Total indicator runout should be less than 0 005 inch If greater values are measured disassemble and determine cause before proceeding with assembly Preliminary Impeller Adjustment 1 Loosen clamp bolts 370C and jacking bolts 370D Adjust impeller travel such that the gap between the impeller 101 and the stuffing box cover 184 is 0 030 2 When 0 030 gap is reached tighten clamp bolts jacking bolts and locking nuts 423 Note This approximates the impeller position for final impeller clearance adjustment Page 31 mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 I For Pumps with Component Mechanical Seals 1 Apply a bluing solution to the shaft sleeve and scribe a mark on the sleeve at the face of the seal chamber stuffing box cover This locates the seal setting reference point for the installation of the mechanical seal rotary unit See mechanical seal manufacturer s dimension p
68. the pump bearing housing with the small slots on the end plate aligned to the impeller adjusting bolts and the large slots clearing the bearing housing tap bolts Then attach the end plate to the bearing housing using the jam nuts on the impeller adjusting bolts as shown in Figure A 2 After attaching the end plate to the bearing housing check and reset the impeller clearance as detailed in APPENDIX 1 IMPELLER COUPLING GUARD END PLATE CLEARANCE SETTING 2 Slightly spread the bottom of coupling guard half pump end and place it over the pump end plate as shown in Figure A 3 The support slots in the guard half are located around the end plate 3 After placing the coupling guard half around the end plate secure it with a bolt nut and two 2 washers through the round hole in the front end of the guard half as shown in Figure A 3 Tighten securely FIGURE A 2 811XL COUPLING GUARD END PLATE GRISWOLD PUMP COMPANY Appendix Page 50 304 422 4755 Sold by G amp W Industrial Sales mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 4 Slightly spread the bottom of coupling guard half driver end and place it over the coupling guard half pump end so that the support slots in the coupling guard half driver end faces the driver as shown in Figure A 3 5 Adjust the length of the coupling guard to completely cover the shafts and coupling as shown in Figure A 5 by sliding the c
69. the shaft with a FIGURE 18 ae L GROUP rubber mallet driving the thrust BEARING REMOVAL bearings and shaft assembly through the housing Do not remove lab seal 3 Remove all jackscrews and nuts items Item 370D and Item 423 Remove bearing housing o ring Item 496 4 Remove bearing lock nut Item 136 and lock washer Item 382 Note When pressing bearings off shaft use force on inner race only 5 Using an arbor press remove inboard and outboard bearings Remove bearing cover Note Do not remove oil slinger Item 248A from shaft unless it is damaged 6 Complete disassembly of bearing frame if required Remove oil fill plug 113A oil sight glass 408N and 4 oil mist grease plugs 408H Remove oil cooler inlet and outlet plugs 408L and 408M Remove frame foot attachment bolts 370F Power End Disassembly XL Group Pumps XL gue pumps are similar to S and M Group Pumps except that the thrust bearing is held into L the bearing housing with a bearing cover Item 109A See cross sectional view of XL Frame pumps in Appendix VIII Extract shaft bearing housing assembly from frame as with S and M Group pump noted above Then 1 Remove bearing cover bolts 371C and bearing cover 109A Discard o ring Item 496 DO NOT REMOVE LABYRINTH SEAL Item 332A 2 Using an arbor press remove inboard bearing Item 168A FIGURE 19 XL GROUP BEARING REMOVAL 3 Remove bearing hous
70. ween the anchor bolt and sleeve to prevent concrete and or grout from entering this area Page 6 mail gwindustrial com Installation Operation and Maintenance Manual Griswold Model 811 Installing and Grouting Base Note Before the baseplate is installed it is advisable to thoroughly clean the underside to enable the grouting to adhere to it Do not use oil based cleaners since grout will not bond to it Once the concrete pad has cured the baseplate can be carefully lowered over the anchor bolts Place shims or tapered wedges under the baseplate at each of the anchor bolt positions to provide about 0 75 1 50 clearance between the base and the foundation Adjust shims wedges to level the baseplate Since there may be some flexibility in the baseplate we must perform an initial alignment prior to grouting to ensure that a final alignment can be achieved See section covering Alignment of Pump Driver Shafts Potential problems here include bowing and or twisting of the baseplate If gross misalignment is observed shims wedges may have to be added under the mid point of the base or the shims wedges at the corners may have to be adjusted to eliminate any twist If the driver feet are bolt bound for horizontal alignment it may be necessary to loosen the pump hold down bolts and shift the pump and driver to attain horizontal alignment When alignment has been achieved lightly tighten the anchor bolts The anchor bolts should not be fu
71. x angular contact bearing Be sure bearing s are installed in correct order i e back to back The bearing model numbers should face away from each other If a press is used be sure that force is applied to inner race only Note Install bearing lockwasher and locknut as described for S and M Group pumps on previous page 4 Install inboard bearing Item 168A Note When pressing bearings on shaft use force on inner race only 5 Lightly lubricate the outside of the outboard bearing Item 112 the bearing housing bore and the coupling end of the shaft Slide the bearing housing Item 134 over the shaft and over the outboard bearing DO NOT FORCE 6 Install bearing cover bolts Item 236A Tighten bolts to 55 in lbs for lubricated threads or 83 in lbs for dry threads Check that shaft rotates freely 7 Install new bearing housing o ring Item 496 8 Lightly lubricate outside surface of bearing housing and ID of bearing frame bore Install shaft and bearing assembly into frame Check that shaft rotates freely 9 Install cap screws Item 370C into bearing frame Item 228 Install jack bolts Item 370D and lock nuts Item 423 Hand tighten evenly Power End Assembly XL Frame Pumps Replace all plugs that had been removed during disassembly Replace sight glass Use thread sealant 1 Install outboard bearing Item 112 on shaft Note When pressing bearings on shaft use force on inner race only 2 Install beari

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