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CAUTION:

Do not remove bearings from the shaft unless you need to replace them.

Does your power end have Forced convection cooling?

•

If no: Go to step 2.

•

If yes:

569F

785D

109A

469Q

234D

370N

392B

222V

234A

Figure 46: Power end disassembly

a) Remove Cowling Hex Cap Screws (569F) and Cooling Fan Cowling (785D).

b) Remove Guard Support Hex Cap Screws (469Q) and Cooling fan shroud (234A).

Loosen Fan set screws (222V) and remove Cooling Fan (392B) from shaft (122).

d) Loosen and remove Thrust Cover Frame Hex Cap Screws (370N). Remove cooling fan shroud

support (234D).

e) Go to step 3.

6.4 Disassembly

Model 3700i API610 / Type OH2 Installation, Operation, and Maintenance Manual

Содержание 3700i API610

Страница 1: ...Installation Operation and Maintenance Manual Model 3700i API610 Type OH2 ...

Страница 2: ......

Страница 3: ...r 19 3 3 Nameplate information 20 4 Installation 24 4 1 Pre installation 24 4 1 1 Pump location guidelines 24 4 1 2 Foundation requirements 25 4 2 Baseplate mounting procedures 26 4 2 1 Prepare the baseplate for mounting 26 4 2 2 Prepare the foundation for mounting 26 4 2 3 Install the baseplate using jackscrews 26 4 3 Install the pump driver and coupling 28 4 4 Pump to driver alignment 28 4 4 1 A...

Страница 4: ...Monitor 65 5 14 Make the final alignment of the pump and driver 65 5 15 Dowel the pump casing 65 6 Maintenance 67 6 1 Maintenance schedule 67 6 2 Bearing maintenance 68 6 3 Mechanical seal maintenance 68 6 4 Disassembly 69 6 4 1 Disassembly precautions 69 6 4 2 Tools required 69 6 4 3 Drain the pump 70 6 4 4 Remove the back pull out assembly 70 6 4 5 Remove the coupling hub 71 6 4 6 Remove the imp...

Страница 5: ...sert Venturi casings only 108 6 6 9 Post assembly checks 109 6 6 10 Assembly references 109 7 Troubleshooting 116 7 1 Operation troubleshooting 116 7 2 Alignment troubleshooting 117 7 3 Assembly troubleshooting 117 8 Parts List and Cross Sectionals 118 8 1 Parts list 118 9 Other Relevant Documentation of Manuals 122 9 1 For additional documentation 122 10 Local ITT Contacts 123 10 1 Regional offic...

Страница 6: ...al injury Applying heat to impellers propellers or their retaining devices can cause trapped liquid to rapidly expand and result in a violent explosion This manual clearly identifies accepted methods for disassembling units These methods must be adhered to Never apply heat to aid in their removal unless explicitly stated in this manual The operator must be aware of the pumpage and take appropriate...

Страница 7: ... and or unstable operation Do not change the service application without the approval of an authorized ITT representative 1 2 1 Safety terminology and symbols About safety messages It is extremely important that you read understand and follow the safety messages and regulations carefully before handling the product They are published to help prevent these hazards Personal accidents and health prob...

Страница 8: ...e of the processed liquid in compliance with applicable environmental regula tions Clean up all spills in accordance with safety and environmental procedures Report all environmental emissions to the appropriate authorities WARNING If the product has been contaminated in any way such as from toxic chemicals or nuclear radi ation do NOT send the product to ITT until it has been properly decontamina...

Страница 9: ...ny equipment including pumps Consider limiting personnel s exposure time to noise or where possible en closing equipment to reduce noise Local law may provide specific guidance regarding expo sure of personnel to noise and when noise exposure reduction is required Temperature WARNING Equipment and piping surfaces may exceed 130ºF 54ºC in operating process plants Clear visual warnings or other indi...

Страница 10: ... 1 Remove contaminated clothing 2 Wash the skin with soap and water for at least 1 minute 3 Seek medical attention if necessary 1 2 4 Product approval standards Regular standards WARNING Use of equipment unsuitable for the environment can pose risks of ignition and or explosion Ensure the pump driver and all other auxiliary components meet the required area classifica tion at the site If they are ...

Страница 11: ...ially explosive atmospheres All work on the product must be carried out by certified electricians and ITT authorized mechanics Special rules apply to installations in explosive atmospheres All users must know about the risks of electric current and the chemical and physical characteristics of the gas the vapor or both present in hazardous areas Any maintenance for Ex approved products must conform...

Страница 12: ...n ITT representative When you install or maintain explosion proof products always comply with the directive and applicable standards for example IEC EN 60079 14 1 Monitoring the liquid end temperature 2 Maintaining proper bearing lubrication 3 Ensuring that the pump is operated in the intended hydraulic range The ATEX conformance is only applicable when the pump unit is operated within its intende...

Страница 13: ...lds representative before proceeding Particular care must be taken when the electrical power source to the equipment is ener gized Improper impeller adjustment could cause contact between the rotating and stationary parts resulting in a spark and heat generation Lock out driver power to prevent electric shock accidental start up and physical injury NEVER start pump without proper prime all models ...

Страница 14: ...tures are listed If the equipment is ATEX certified and the listed temperature exceeds the applicable val ue shown in Table 1 under SAFETY then that temperature is not valid Should this situa tion occur please consult with your ITT Goulds representative Cooling systems such as those for bearing lubrication mechanical seal systems etc where provided must be operating properly to prevent excess heat...

Страница 15: ...nts may ignite explosive atmospheres Ensure drives are certified for variable frequency drive operation by the manufacturer User shall observe necessity of using a safety device such as a flame arrestor to prevent flame entering or leaving the pump sump tank or barrel when applicable For variable speed motor applications the electric motor must be specified with shaft grounding and used with a con...

Страница 16: ...property damage and or personal injury Ensure that the unit is properly supported and secure during lifting and handling CAUTION Risk of injury or equipment damage from use of inadequate lifting devices Ensure lifting devi ces such as chains straps forklifts cranes etc are rated to sufficient capacity 2 2 2 Lifting methods WARNING Risk of serious personal injury or equipment damage Proper lifting ...

Страница 17: ...g es or the frames A bare pump with lifting handles Lift the pump by the handles A base mounted pump Use slings under the pump casing and the drive unit or under the base rails Examples Figure 2 Example of a proper lifting method of pump with driver 2 2 Transportation guidelines Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 15 ...

Страница 18: ... store the unit The normal packaging is designed only to protect the unit during shipping Length of time in storage Storage requirements Upon receipt short term less than six months Store in a covered and dry location Store the unit free from dirt and vibrations Long term more than six months Store in a covered and dry location Store the unit free from heat dirt and vibrations 2 3 Storage guidelin...

Страница 19: ...a covered and dry location Store the unit free from heat dirt and vibrations Rotate the shaft by hand several times at least every three months Treat bearing and machined surfaces so that they are well preserved Refer to the drive unit and cou pling manufacturers for their long term storage procedures For questions about possible long term storage treatment services please contact your local ITT s...

Страница 20: ...es are ASME B16 5 Class 300 raised face The following flanges are also available Class 600 raised face Class 300 ring joint Class 600 ring joint Flange orientation End Suction Top Discharge Impeller The impeller is fully enclosed and key driven by the shaft Impeller nut with a locking screw prevents ax ial movement Seal chamber cover The seal chamber geometry meets API 610 12th edition standard di...

Страница 21: ...p driver and accessories in accordance with API 610 requirements Direction of rotation The shaft rotates counterclockwise when viewed from the drive end 3 2 General description i ALERT 3 Equipment Condition Monitor Description The i ALERT 3 Equipment Condition Monitor is a compact battery operated monitoring device that con tinuously measures the vibration and temperature of the pump power end The...

Страница 22: ...information for ordering Every pump has a nameplate that provides information about the pump The nameplate is located on the pump casing When you order spare parts identify this pump information Model Size Serial number Item numbers of the required parts Item numbers can be found in the spare parts list Refer to the nameplate on the pump casing for most of the information See Parts List for item n...

Страница 23: ...peller diameter inches MAX DIA Maximum impeller diameter inches STD DIM Standard ANSI dimensional code MAT L Material of construction Nameplate on the pump casing using metric units Figure 7 Metric units nameplate on pump casing Nameplate field Explanation MODEL Pump model SIZE Size of the pump FLOW Rated pump flow in cubic meters per hour HEAD Rated pump head in meters RPM Rated pump speed in rev...

Страница 24: ... pumping unit pump seal coupling motor and pump accessories certified for use in an ATEX classi fied environment are identified by an ATEX tag secured to the pump or baseplate on which it is mount ed A typical tag would look like this Figure 9 Typical ATEX nameplate ISO 80079 37 2016 Section 5 7 Recommended bearing replacement interval based on L10 life 25 000 hours of operation The code classific...

Страница 25: ...e pump driver and all other auxiliary components meet the required area classifica tion at the site If they are not compatible do not operate the equipment and contact an ITT representative before proceeding 3 3 Nameplate information Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 23 ...

Страница 26: ...ction maintenance and serv ice If you require lifting equipment such as a hoist or tackle make sure that there is enough space above the pump This makes it easier to properly use the lifting equipment and safely remove and relocate the components to a safe location Protect the unit from weather and water damage due to rain flooding and freezing temperatures This is applicable if nothing else is sp...

Страница 27: ...to prevent strain and distortion when you tighten the foundation bolts Sleeve type bolts 1 2 3 4 5 6 Item Description 1 Baseplate 2 Shims 3 Foundation 4 Sleeve 5 Dam 6 Bolt Figure 10 Sleeve type bolts J type bolts 1 3 2 4 5 Item Description 1 Baseplate 2 Shims or wedges 3 Foundation 4 Dam 5 Bolt Figure 11 J type bolts 4 1 Pre installation Model 3700i API610 Type OH2 Installation Operation and Main...

Страница 28: ...any other type of contami nation If necessary use a honing stone to remove burrs 4 2 2 Prepare the foundation for mounting 1 Chip the top of the foundation to a minimum of 25 0 mm 1 0 in in order to remove porous or low strength concrete If you use a pneumatic hammer make sure that it does not contaminate the surface with oil or other moisture NOTICE Do not chip the foundation using heavy tools su...

Страница 29: ...ription 1 Jackscrew 2 Baseplate 3 Foundation 4 Plate Figure 12 Jackscrews 3 Level the driver mounting pads NOTICE Remove all dirt from the mounting pads in order to ensure that the correct leveling is achieved Failure to do so can result in equipment damage or decreased performance a Put one machinist s level lengthwise on one of the two pads b Put the other machinist s level across the ends of th...

Страница 30: ...ment Precautions WARNING Failure to disconnect and lock out driver power may result in serious physical injury or death Always disconnect and lock out power to the driver before performing any installa tion or maintenance tasks Electrical connections must be made by certified electricians in compliance with all international national state and local rules Refer to driver coupling gear manufacturer...

Страница 31: ...salignment Contact ITT for further information IMPORTANT For electric motors the motor shaft initial cold parallel vertical alignment setting should be 0 05 to 0 10 mm 0 002 to 0 004 in lower than the pump shaft For other drivers such as turbines and engines follow the driver manufacturer s recommendations When dial indicators are used to check the final alignment the pump and drive unit are corre...

Страница 32: ...coupling half This indicator is used to measure angular misalignment P A Y X Figure 13 Dial indicator attachment 2 Rotate the pump coupling half X in order to check that the indicators are in contact with the driver coupling half Y but do not bottom out 3 Adjust the indicators if necessary 4 4 5 Pump to driver alignment instructions 4 4 5 1 Perform angular alignment for a vertical correction 1 Set...

Страница 33: ...on left side of the driver coupling half Y 90 from the top center position 9 o clock 2 Rotate the indicator through the top center position to the right side 180 from the start position 3 o clock 3 Record the indicator reading When the reading value is Then Negative The coupling halves are farther apart on the right side than the left Perform one of these steps Slide the shaft end of the driver to...

Страница 34: ...perating temperature 1 Set the parallel alignment indicator P to zero at the top center position 12 o clock of the driver coupling half Y 2 Rotate the indicator to the bottom center position 6 o clock 3 Record the indicator reading When the read ing value is Then Negative The pump coupling half X is lower than the driver coupling half Y Remove shims of a thickness equal to half of the indicator re...

Страница 35: ...start position 3 o clock 3 Record the indicator reading When the reading value is Then Negative The driver coupling half Y is to the left of the pump coupling half X Positive The driver coupling half Y is to the right of the pump coupling half X 4 Slide the driver carefully in the appropriate direction NOTICE Make sure to slide the driver evenly Failure to do so can negatively affect horizontal an...

Страница 36: ...lignment until you obtain the permitted reading values 4 5 Grout the baseplate Required equipment Cleaners Do not use an oil based cleaner because the grout will not bond to it See the instructions provided by the grout manufacturer Grout Non shrink grout is recommended NOTICE It is assumed that the installer who grouts the baseplate has knowledge of acceptable meth ods More detailed procedures ar...

Страница 37: ...perty damage Fasteners such as bolts and nuts are critical to the safe and reliable operation of the product Ensure appropriate use of fasten ers during installation or reassembly of the unit Use fasteners of the proper size and material only Replace all corroded fasteners Ensure that all fasteners are properly tightened and that there are no missing fas teners CAUTION Do not move the pump to the ...

Страница 38: ...es shall be parallel to less than 10 micrometers per centimeter 0 001 in per in of pipe flange outer diameter up to a maximum of 750 micrometers 0 030 in For piping flange outer diameters smaller than 25 cm 10 in the flanges shall be parallel to 250 micrometers 0 010 in or less For special purpose machinery pipe to machinery flange spacing measurements shall be recorded on the Piping alignment dat...

Страница 39: ...perating permanent suction strainer be used Check that the strainer has at least three times the area of the suction piping Check the location of the suction strainer is at least 5 pipe diameters from the suction nozzle Continuously monitor the pressure drop across the suction strainer Limit the pressure drop across the strainer to 68 9 kPa 10 psi or the vapor pressure of the pumped fluid or the r...

Страница 40: ...m the suc tion inlet This permits you to close the line during pump inspec tion and maintenance Do not use the isolation valve to throttle the pump Throttling can cause these problems Loss of priming Excessive temperatures Damage to the pump Voiding the warranty Make sure that the suction piping is free from air pockets This helps to prevent the occurrence of air and cavita tion in the pump inlet ...

Страница 41: ...pump Reduce risk of pumpage vaporization and vapor locking at low flow rates for low specific gravity liq uids See Example Discharge piping equipment for illustra tions Check that a check valve is installed in the discharge line between the isolation valve and the pump discharge outlet The location between the isolation valve and the pump allows inspection of the check valve The check valve preven...

Страница 42: ...e Provide a bypass line for systems that require operation at reduced flows for prolonged periods Connect a bypass line from the discharge side before any valves to the source of suction When to install a minimum flow orifice You can size and install a minimum flow orifice in a bypass line in order to prevent bypassing excessive flows Consult your ITT representative for assistance in sizing a mini...

Страница 43: ...ck that the minimum flow for each component is 4 lpm 1 gpm If the bearing and seal chamber cover cooling are provided then the auxiliary pip ing must flow at 8 lpm 2 gpm Make sure that these guidelines are followed Check that the cooling water pressure does not exceed 7 0 kg cm2 100 psig Make sure that these guidelines are followed 4 6 6 Final piping checklist Check Explanation comment Checked Che...

Страница 44: ...e pumped liquid or piping system can block the flow and cause ex cess heat generation sparks and premature failure Make sure that the pump and sys tems are free of foreign objects before and during operation Risk of death serious personal injury and property damage Heat and pressure buildup can cause explosion rupture and discharge of pumpage Never operate the pump with suction and or discharge va...

Страница 45: ...to operation Circulate a small amount of fluid through the pump until the casing tem perature is within 39 C 70 F of the fluid temperature Accomplish this by flowing fluid through the casing drain and allowing it to flow through the pump exiting at the discharge nozzle optionally fluid may also be allowed to enter the suction nozzle in addition to the drain Soak for 2 hours at process fluid temper...

Страница 46: ...ct and lock out driver power may result in serious physical injury or death Always disconnect and lock out power to the driver before performing any installa tion or maintenance tasks Electrical connections must be made by certified electricians in compliance with all international national state and local rules Refer to driver coupling gear manufacturer s installation and operation manuals IOM fo...

Страница 47: ...nment of all drive components prior to operating the unit Follow the coupling installation and operation procedures from the coupling manu facturer Running a pump without safety devices exposes operators to risk of serious personal in jury or death Never operate a unit unless appropriate safety devices guards etc are properly installed Avoid death or serious injury Assure mechanical seal guard is ...

Страница 48: ...n proceed to Step 2 If no Complete these steps a Remove the spacer portion of the coupling Refer to the instructions from the coupling manufacturer for assistance b If the coupling hub diameter is larger than the diameter of the opening in the end plate then remove the coupling hub c Replace the five outboard end cover cap screws 370N and torque to the value shown in the 6 6 10 Assembly references...

Страница 49: ...pling hub if removed and the spacer portion of the coupling Refer to the instructions from the coupling manufacturer for assistance Complete any coupling adjustments before you proceed with the coupling guard assembly 2 Slightly spread the opening of the coupling guard half and place it over the pump end plate The annular groove in the guard is located around the end plate 234A Position the openin...

Страница 50: ...nstallation 6 Slightly spread the opening of the remaining coupling guard half 501B and place it over the instal led coupling guard half so that the annular groove in the remaining coupling guard half faces the driver 501B 234A Figure 24 Coupling guard motor 7 Place the end plate 234B over the driver shaft and locate the end plate 234B in the annular groove at the rear of the coupling guard half 5...

Страница 51: ...ut 9 Slide the rear coupling guard half towards the motor so that it completely covers the shafts and cou pling Figure 26 Slide to fit 10 Repeat Steps 3 through 5 for the center slots in the coupling guard 11 Firmly tighten all nuts on the guard assembly 5 4 Couple the pump and driver Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 49 ...

Страница 52: ...venly tighten bolts 370N and torque to the maximum torque values for 3700i fasteners table 1 Slide the cooling fan 392B onto the shaft align set screws 222V with dimple in shaft and install quantity 2 set screws 222V Make sure cast in CCW lettering and rotational arrow is facing to wards the driver 2 Install the cooling fan shroud 234A by aligning 4 slots of cooling fan shroud over the cooling fan...

Страница 53: ...sive hazard and premature failure from sparks and heat generation Ensure bearings are properly lubricated prior to startup Pumps are shipped without oil You must lubricate oil lubricated bearings at the job site Ring oil lubrication Ring oil lubricated bearings are standard Bearing housings are supplied with constant level oilers and sight glasses Make sure that oil ring properly seated in the gro...

Страница 54: ...pacity of 118ml 4 oz Group Maximum 1 operating speed RPM Bearing sizes Method of lubrication Oil Capacity 2 Radial bearing Thrust bearing oz ml 13i 3600 6210 7310 Ring oil standard Pure oil and purge oil mist optional 34 998 14i 3600 6212 7312 40 1183 24i 3600 6212 7312 40 1183 25i 3600 6213 7312 66 1973 35i 3600 6213 7312 66 1973 36i 3600 6215 7313 93 2724 47i 1800 6218 7317 133 3920 58i 1800 622...

Страница 55: ...cants Brand Lubricant type Exxon ISO VG 68 Mobil Sunoco Royal Purple 5 4 2 4 Lubricate the bearings with oil WARNING Risk of explosive hazard and premature failure from sparks and heat generation Ensure bearings are properly lubricated prior to startup NOTICE Do not expose an idle pump to freezing conditions Drain all liquid that will freeze that is inside the pump and any auxiliary equipment Fail...

Страница 56: ...o not fill the oil reservoir of the bearing frame through the plug at the top 2 Check that the oil level is correct The correct oil level is centered in the bulls eye sight glass when the pump is not in operation During operation bulls eye sight gives a false oil level reading Shown is general schematic Figure 30 Checking oil level 5 4 Couple the pump and driver 54 Model 3700i API610 Type OH2 Inst...

Страница 57: ...ter 550A and the oil filter plug 113Q from the bearing frame 228 113Q 428E 550A Figure 32 Oil filter replacement 2 Unscrew the filter 550A part number K08174A from the plug 113Q part number K06818A 5 4 Couple the pump and driver Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 55 ...

Страница 58: ...o rings 428E 4 Screw the new filter 550A into the existing plug 113Q and install the new o ring 428E to the plug 113Q NOTICE Only one o ring is required the other is a spare if needed 550A 113Q 228 Figure 34 New filter installation 5 Screw the oil filter 550A and the oil filter plug 113Q back into the bearing frame 228 5 4 Couple the pump and driver 56 Model 3700i API610 Type OH2 Installation Oper...

Страница 59: ...ly to oil mist lubricated bearings 3 Connect the drain and vent lines to the outlet connections 1 1 2 1 Oil mist inlet 2 Oil mist outlet Figure 35 Oil mist lubrication 4 For pure oil mist connect the drain lines to the outlet connections This is not required for purge oil mist 5 4 2 7 Convert to oil mist lubrication NOTICE Make sure that pipe threads are clean and apply thread sealant to plugs and...

Страница 60: ...e drain lines 408A to the outlet connections This is not required for the purge oil mist 5 4 2 8 Lubricate the bearings after a shutdown period 1 Flush out the bearings and bearing frame with a light oil to remove contaminants During flushing make sure to rotate the shaft slowly by hand 2 Flush the bearing housing with the proper lubricating oil to ensure oil quality after cleaning 3 Refer to Reas...

Страница 61: ...eal Seal flushing methods Table 7 You can use these methods in order to flush or cool the seal Method Description Product flush Run the piping so that the pump pushes the pumped fluid from the casing and injects it into the seal gland If necessary an external heat exchanger cools the pumped fluid before it enters the seal gland External flush Run the piping so that the pump injects a clean cool co...

Страница 62: ... prime the pump The liquid can come from one of these sources A priming pump A pressurized discharge line Another outside supply 1 Close the discharge isolation valve 2 Open the air vent valves in the casing 3 Open the valve in the outside supply line until only liquid escapes from the vent valves 4 Close the vent valves 5 Close the outside supply line 5 7 Pump priming 60 Model 3700i API610 Type O...

Страница 63: ...e 5 7 3 Other methods of priming the pump You can also use these methods in order to prime the pump Prime by ejector Prime by automatic priming pump 5 8 Start the pump WARNING Risk of equipment damage seal failure and breach of containment Ensure all flush and cool ing systems are operating correctly prior to starting pump NOTICE Risk of equipment damage due to dry operation Immediately observe th...

Страница 64: ...perform these steps a Stop the driver b Prime the pump again c Restart the driver 6 Monitor the pump while it is operating a Check the pump for bearing temperature excessive vibration and noise b If the pump exceeds normal levels then shut down the pump immediately and correct the prob lem A pump can exceed normal levels for several reasons See Troubleshooting for information about possible soluti...

Страница 65: ...n established and that the equipment is operating properly Establish baseline vibration readings in order to determine normal running conditions If the unit is running roughly then consult the factory Monitor all gauges to ensure that the pump is running at or near rating and that the suc tion screen when used is not clogged For venturi pumps Do not remove the venturi insert 100W or loosen the fas...

Страница 66: ...cautions must be taken to prevent physical injury The pump may handle hazardous and or toxic fluids Proper personal protective equipment should be worn Pumpage must be handled and disposed of in conformance with applicable environmental regulations 1 Slowly close the discharge valve 2 Shut down and lock out the driver to prevent accidental rotation 5 12 Deactivate the i ALERT 3 Equipment Health Mo...

Страница 67: ...e user of the unit Check the alignment of all drive components prior to operating the unit Follow the coupling installation and operation procedures from the coupling manu facturer You must check the final alignment after the pump and driver are at operating temperature For initial alignment instructions see the Installation chapter 1 Run the unit under actual operating conditions for enough time ...

Страница 68: ...number 7 taper pin reamer to the proper fit with the taper dowel pins Insert the pins deep enough that only the threaded portion is exposed when the pin is fully seated 4 Seat the taper pins firmly in the holes with a hardwood block or soft faced hammer NOTICE Always remove the dowel pins before removing the casing Failure to do so can result in casing damage 5 15 Dowel the pump casing 66 Model 37...

Страница 69: ...g temperatures Check the pump and piping for leaks Analyze the vibration Inspect the discharge pressure Inspect the temperature Check that there is no leakage from the mechanical seal NOTICE If equipped temperature and vibration levels can be retrieved by using your i ALERT 3 moni toring sensor and app Three month inspections Perform these tasks every three months Check that the foundation and the...

Страница 70: ...change the oil filter as rec ommended oil must be changed every 2000 hours 6 3 Mechanical seal maintenance CAUTION Running a mechanical seal dry even for a few seconds can cause seal failure and physical injury Never operate the pump without liquid supplied to the mechanical seal Cartridge type mechanical seals Cartridge type mechanical seals are commonly used Cartridge seals are preset by the sea...

Страница 71: ...r removal unless explicitly stated in this manual Handling heavy equipment poses a crush hazard Use caution during handling and wear appropriate Personal Protective Equipment PPE such as steel toed shoes gloves etc at all times Precautions must be taken to prevent physical injury The pump may handle hazardous and or toxic fluids Proper personal protective equipment should be worn Pumpage must be h...

Страница 72: ...te Personal Protective Equipment PPE such as steel toed shoes gloves etc at all times Seek assistance if necessary 1 The back pull out assembly consists of all parts except the casing 100 and casing insert 100W venturi casings only The casing 100 can remain on the foundation and in the piping if it is not the casing itself which must be repaired Drain the casing by removing the casing drain plug i...

Страница 73: ... 5 Remove the coupling hub 1 If the coupling hub overhangs the shaft mark the shaft for relocating the coupling hub during reas sembly Coupling hubs are normally mounted flush with the end of the shaft 2 Remove the coupling hub using a spanning type puller or puller holes provided in the hub Refer to the coupling manufacturer s instructions for assistance 6 4 6 Remove the impeller CAUTION Risk of ...

Страница 74: ...y 1 Loosen insert hex nuts 362B 2 Tighten the jackscrews 362C evenly in order to remove the venturi insert 100W 100 362A 351O 100W 362C 362B Figure 44 Venturi insert removal 3 Clean all gasket surfaces Clean surfaces prevent the insert gasket 351O from partially adhering to the case 100 and insert 100W due to binders and adhesives in the gasket material 6 4 Disassembly 72 Model 3700i API610 Type O...

Страница 75: ...amber cover 184 over the end of the shaft 122 once the cover releases from the bearing frame 228 NOTICE The cartridge mechanical seal may become damaged if the cover is allowed to come in contact with it 8 Loosen the setscrews and remove the cartridge mechanical seal from the shaft 122 9 Remove and discard the mechanical seal O ring or gland gasket You will replace this with a new O ring or gasket...

Страница 76: ...isassembly a Remove Cowling Hex Cap Screws 569F and Cooling Fan Cowling 785D b Remove Guard Support Hex Cap Screws 469Q and Cooling fan shroud 234A c Loosen Fan set screws 222V and remove Cooling Fan 392B from shaft 122 d Loosen and remove Thrust Cover Frame Hex Cap Screws 370N Remove cooling fan shroud support 234D e Go to step 3 6 4 Disassembly 74 Model 3700i API610 Type OH2 Installation Operati...

Страница 77: ...he bearing frame 228 4 Remove and discard the thrust bearing end cover shims 390C 5 Remove the two oil ring retainers and the oil ring inspection plugs from the top of the bearing frame 494B 494A 494C 494 358X 494A 494B 358X 228 Figure 48 Frame cooling removal 6 If your power end has the optional oil sump liquid cooling then remove the finned tube cooling as sembly from the bearing frame 6 4 Disas...

Страница 78: ...bearings before reassembly 9 How to remove the bearings from the shaft a Loosen and remove the thrust bearing locknut 136 and lockwasher 382 b Press or pull the duplex thrust bearing 112 from the shaft 122 c Remove the oil ring s 114 from the shaft 122 d Press or pull the radial bearing 168 from the shaft 122 228 360 119A 123 370P 123B Figure 50 Radial bearing isolator or optional radial heat flin...

Страница 79: ...ondition monitor is safe for disposal in the normal municipal waste stream Adhere to local laws when you dispose of the condition monitor 6 5 Preassembly inspections 6 5 1 Replacement guidelines Casing check and replacement WARNING Risk of death or serious injury Leaking fluid can cause fire and or burns Inspect and ensure gasket sealing surfaces are not damaged and repair or replace as necessary ...

Страница 80: ...r than 1 6 mm 1 16 in or When worn evenly more than 0 8 mm 1 32 in Pumpout vanes When worn or bent more than 0 8 mm 1 32 in Vane edges When you see cracks pitting or corrosion damage Wear ring surfaces Wear ring clearances that exceed the values in the minimum running clearances table Impeller checks NOTICE When clearances between the rings become excessive increase by 50 hydraulic perform ance de...

Страница 81: ...h and the through hole on the end of the venturi insert Ensure no foreign material is present Clean thoroughly in order to remove any debris Re place insert if there is any damage wear or pitting present to the notch through hole or gasket surfa ces 100W 100W 100W Venturi insert Figure 53 Venturi insert inspection Oil ring replacement Oil rings must be as round as possible in order to function pro...

Страница 82: ...per size and material only Replace all corroded fasteners Ensure that all fasteners are properly tightened and that there are no missing fasteners Additional parts Inspect and either repair or replace all other parts if inspection indicates continued use would be harmful to satisfactory and safe pump operation Inspection must include the following items Venturi Insert 100W Bearing end covers 109A ...

Страница 83: ...Check the shaft surface for damage especially in areas indicated by the arrows in the following figure Replace the shaft if it is damaged beyond reasonable repair Figure 54 Shaft inspection 6 5 4 Bearings inspection Condition of bearings Do not reuse bearings The condition of the bearings provides useful information on operating conditions in the bearing frame Checklist Perform these checks when y...

Страница 84: ...5 C3 7318 BEGAM 6 5 5 Wear rings inspection and replacement Wear ring types All units are equipped with casing impeller and seal chamber cover wear rings When clearances be tween the rings become excessive hydraulic performance decreases substantially Wear ring diameter check Measure all wear ring diameters and then calculate the diametrical wear ring clearances Refer to Table 10 Minimum running c...

Страница 85: ... 222E Wear ring set screw Figure 55 Casing wear ring 101 Impeller 202 Impeller wear ring 203 Impeller wear ring Figure 56 Impeller wear ring 6 5 Preassembly inspections Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 83 ...

Страница 86: ...rformance has decreased to unacceptable levels Table 10 Minimum running clearances Diameter of impeller wear ring Minimum diametrical clearance mm in mm in 50 2 000 0 25 0 010 To to 64 99 2 000 to 2 4999 0 28 0 011 65 to 79 99 2 500 to 2 999 0 30 0 012 80 to 89 99 3 000 to 3 499 0 33 0 013 90 to 99 99 3 500 to 3 999 0 35 0 014 100 to 114 99 4 000 to 4 499 0 38 0 015 115 to 124 99 4 500 to 4 999 0 ...

Страница 87: ... the casing 100 impeller 101 and seal chamber cover 184 using a pry or puller to force the rings from the fits c Press the bushing 125 out of the seal chamber cover bore 2 Clean the wear ring seats thoroughly and make sure that they are smooth and free of scratches 6 5 5 1 1 Replace the impeller wear rings 1 Heat the new impeller wear rings 202 203 to 82 to 93 C 180 to 200 F using a uniform method...

Страница 88: ...ng wear ring 164 using dry ice or another suitable chilling substance and install the ring into the casing fit Be prepared to tap the ring in place with a wood block or soft faced hammer Figure 59 Casing wear ring 6 5 Preassembly inspections 86 Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual ...

Страница 89: ...e wear ring and throat bushing in place with a hardwood block or soft faced hammer 2 To secure the wear ring 230 locate drill and tap three new setscrew holes equally spaced be tween the original holes in each new wear ring and wear ring seat area Install setscrews 222E and upset threads 3 To secure the throat bushing 125 locate drill and tap three new setscrew holes equally spaced between the ori...

Страница 90: ...n for the impeller in stallation 5 diameter 0 003 5 to 8 diameter 0 004 8 diamter 0 005 b Install the impeller 101 on the shaft 122 c Secure the impeller firmly with an impeller nut 304 and impeller nut set screw 198 2 Check the impeller wear ring runout a Mount the dial indicator b Rotate the shaft so that the indicator rides along the casing side impeller wear ring 202 sur face for 360 c Repeat ...

Страница 91: ...rame inspection Checklist Check the bearing frame for these conditions Visually inspect the bearing frame for cracks Check the inside surfaces of the frame for rust scale machining burrs or debris Remove all loose and foreign material Make sure that all lubrication passages are clear Inspect the inside diameter of bearing bores If any bores are outside the measurements in the Table 11 Bearing fits...

Страница 92: ...ions This figure shows the areas to inspect for wear on the bearing frame surface Figure 63 Surface inspection locations 6 5 Preassembly inspections 90 Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual ...

Страница 93: ...130 015 5 1187 160 015 6 2998 180 015 7 0872 Clearance Max 0 048 0 0019 0 048 0 0019 0 048 0 0019 0 056 0 0022 0 064 0 0025 0 063 0 0025 Min 0 013 0 0005 0 013 0 0005 0 013 0 0005 0 015 0 0006 0 015 0 0006 0 015 0 0006 Thrust Outboard Shaft OD Max 50 013 1 9690 60 015 2 3628 60 015 2 3628 65 014 2 5596 85 014 3 3470 90 015 3 5439 Min 50 002 1 9686 60 002 2 3623 60 002 2 3623 65 001 2 5591 85 001 3...

Страница 94: ...f the bearings is correct NOTICE There are several methods you can use to install bearings The recommended method is to use an induction heater that heats and demagnetizes the bearings Make sure that all parts and threads are clean and that you have followed all directions under the Preassembly inspections section Check for magnetism on the pump shaft and demagnetize the shaft if there is any dete...

Страница 95: ...i 58i 2 b Assemble the thrust bearings 112 in a back to back arrangement onto the shaft 122 The bearings are interference fit c Preheat the bearings to 120 C 250 F with an induction type bearing heater Be sure to also demagnetize the bearings after heating CAUTION Risk of physical injury from hot bearings Wear insulated gloves when using a bearing heater NOTICE Do not use a torch and do not use fo...

Страница 96: ...aring is not properly seated and must be retightened j When you have achieved the proper bearing assembly set the lockwasher tab in the slot in the locknut k Coat the internal bearing surfaces with lubricant to be used in service 228 360 119A 123 370P 123B Figure 65 Bearing frame 3 Press the radial bearing isolator 123 oil seal into the radial end cover 119A 4 Install the radial bearing end cover ...

Страница 97: ...tion the oil rings in the grooves of the shaft Figure 67 Shaft and bearing frame assembly d Carefully guide the shaft and bearing assembly into the bearing frame until the thrust bearing is seated against the shoulder of the frame Make sure that the oil rings do not bind or become damaged Do not force the assembly together e Observe the oil rings through the sight glass in the bearing frame 6 6 Re...

Страница 98: ...ling the watchdog oiler refer to 5 4 2 4 Lubricate the bearings with oil on page 53 12 For details on the i ALERT 3 installation refer to 5 9 i ALERT 3 Equipment Health Monitor on page 62 13 Install all remaining plugs 6 6 2 Assemble the frame CAUTION Failure to align the gasket with oil grooves will result in bearing failure from a lack of lubri cation Do not over tighten the thrust bearing end c...

Страница 99: ...erly align holes install the thrust bearing end cover over the shaft and onto the bearing frame 4 Install and tighten the thrust bearing end cover and bearing frame screws 370N evenly to the tor que values in the Maximum torque values for 3700i fasteners table 6 6 Reassembly Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 97 ...

Страница 100: ...move the thrust bearing end cover b Press the thrust bearing isolator 123A into the thrust bearing end cover and ensure that the expulsion part is at the 6 o clock position and is properly seated c Install the O ring 412 into the groove of the thrust bearing end cover d Lubricate the O ring with a suitable lubricant 8 Install the thrust bearing end cover with O ring over the shaft and into the bea...

Страница 101: ...n determine the cause and correct it 122 228 Shaft seal fit 1 Mount the dial indicator 2 Rotate the shaft so that the indicator rides along the shaft surface for 360 If the total indicator reading is greater than 0 030mm 0 001in then determine the cause and correct it 122 228 Bearing frame face 1 Mount the dial indicator on the shaft 6 6 Reassembly Model 3700i API610 Type OH2 Installation Operatio...

Страница 102: ...the dial indicator on the shaft 2 Rotate the shaft so that the indicator rides along the bearing frame lock for 360 If the total indicator reading is greater than 0 10 mm 0 004 in then disassemble and determine the cause and correct it 122 228 11 Install and tighten any plugs and fittings removed during disassembly including the oil drain plug and watchdog oiler 6 6 Reassembly 100 Model 3700i API6...

Страница 103: ... 3 Lift the seal chamber cover and position it so that it aligns with the shaft 122 4 Install the seal chamber cover on the bearing frame assembly a Guide the cover carefully over the shaft and into the bearing frame lock b Install the seal chamber cover and bearing frame bolts 370H c Tighten the bolts evenly using an alternating pattern Torque the bolts to values shown in the Maximum torque value...

Страница 104: ... If the total indicator reading is greater than 0 13 mm 0 005 in determine the cause and correct it NOTICE The impeller and wear ring clearance setting procedures must be followed Improp erly setting the clearance or not following any of the proper procedures can result in sparks unexpected heat generation and equipment damage 6 6 Reassembly 102 Model 3700i API610 Type OH2 Installation Operation a...

Страница 105: ...ring surface for 360 If the total indicator reading exceeds 0 15 mm 0 006 in determine the cause and correct it 122 230 Figure 73 Seal chamber cover wear ring runout 8 Check the seal chamber face runout a Mount a dial indicator on the shaft b Rotate the shaft so that the indicator rides along the seal chamber face for 360 6 6 Reassembly Model 3700i API610 Type OH2 Installation Operation and Mainte...

Страница 106: ...n 47i 0 07 mm 0 0028 in 58i 0 08 mm 0 0031 in 122 184 Figure 74 Seal chamber face runout 9 Check the seal chamber lock register runout a Mount a dial indicator on the shaft or shaft sleeve b Rotate the shaft so that the indicator rides along the seal chamber lock register for 360 If the total indicator reading is greater than 0 125 mm 0 005 in determine the cause and correct it 6 6 Reassembly 104 ...

Страница 107: ...peller nut has left hand threads b Remove the impeller impeller key and seal chamber cover 184 as described in the Disas sembly section 2 Lubricate all O rings with suitable lubricant unless the seal manufacturer s instructions indicate oth erwise 3 Slide the cartridge seal assembly rotary stationary gland gland gasket and sleeve onto the shaft 122 NOTICE Ensure that the mechanical seal gland pipi...

Страница 108: ...e Maximum torque values for 3700i fasteners table 5 Tighten the setscrews in the locking collar 6 Disengage the spacer ring or clips 7 Verify that the shaft 122 turns freely If you detect rubbing or excessive drag then determine the cause and correct it 6 6 5 Install the impeller CAUTION Risk of physical injury from sharp edges Wear heavy work gloves when handling impellers It is recommended that ...

Страница 109: ...t use a torch Use a heating device such as an oven which uniformly heats the coupling hub 1 Install the key and pump half coupling hub on the shaft 2 Make sure that the hub is flush with the end of the shaft or to the mark scribed during disassembly Refer to coupling manufacturer s instructions for assistance Figure 77 Coupling hub installation 6 6 7 Install the back pull out assembly in the casin...

Страница 110: ...bing or excessive drag then determine the cause and correct it 8 Reinstall the coupling spacer coupling guard auxiliary piping tubing and equipment that was re moved during preparation for disassembly 9 Lubricate the bearings 6 6 8 Install the Venturi Insert Venturi casings only 1 Place gasket 351O onto venturi insert 100W 2 Install the venturi insert 100W into the casing 100 so that the through h...

Страница 111: ...ls listed in this table are equal to the respective API 610 12th Edition material classes In some cases superior materials are substituted Table 13 Goulds 2239 ASTM A193 B7 and Goulds 2299 ASTM A320 L7 Bolt Dia D in threads inch Tensile Stress Area Ab sq in 2239 A193 B7 2 dia Sult 125 ksi Sy 105 ksi over 2 4 Sult 115 ksi Sy 95 ksi over 4 7 Sult 100 ksi Sy 75 ksi 2299 A320 L7 2 dia Sult 125 ksi Sy ...

Страница 112: ...775 130463 2650 2650 1 75 5 1 899 139577 3053 3053 1 75 8 2 082 153027 3347 3347 1 875 8 2 414 177429 4158 4158 2 4 5 2 498 183603 4590 4590 2 8 2 771 203669 5092 5092 2 125 8 3 152 231672 6154 6154 2 25 4 5 3 248 238728 6714 6714 2 25 8 3 557 261440 7353 7353 2 375 8 3 987 293045 8700 8700 2 5 4 3 999 293927 9185 9185 2 5 8 4 442 326487 10203 10203 2 625 8 4 921 327247 10738 Not Applicable due to...

Страница 113: ...b Nickel or Moly An ti seize K 0 15 1 4 20 0 0318 1447 5 668 2 5 16 18 0 0524 2384 9 1100 4 3 8 16 0 0775 3526 17 1628 8 7 16 14 0 1063 4837 26 2232 12 1 2 13 0 1419 6456 40 2980 19 9 16 12 0 1819 8276 58 3820 27 5 8 11 0 226 10283 80 4746 37 3 4 10 0 3345 10537 99 7025 66 7 8 9 0 4617 14544 155 9696 103 1 8 0 6058 19083 239 12722 159 1 125 7 0 7633 24044 338 16029 225 1 125 8 0 7904 24898 350 165...

Страница 114: ... this table may need to be adjusted to account for spe cial conditions such as gaskets 6 6 10 3 Maximum torque values for fasteners About this table The torque values specified in this table are for lubricated threads These values should be increased for dry threads only Materials listed in this table are equal to the respective API 610 12th Edition material classes In some cases superior material...

Страница 115: ... 4 934 124337 4274 2 75 8 5 425 136710 4699 2 875 8 5 953 150016 5391 3 4 5 967 150368 5639 3 8 6 506 163951 6148 NOTICE 1 Yield strength 36000 psi 2 Tensile strength min 60000 psi 3 Prestress 0 7 yield strength 25 2ksi 4 Max preload prestress tensile stress area 5 The preload and torque given in this table may need to be adjusted to account for spe cial conditions such as gaskets 6 6 10 4 Spare p...

Страница 116: ...it Item No Part Name Qty 164 Wear ring casing 1 230 Wear ring seal chamber 1 202 Impeller wear ring suction side 1 203 Impeller wear ring hub side 1 222E Set screw stationary wear rings 6 320 Set screw impeller wear rings 6 Throat Bushing Kit Item No Part Name Qty 125 Seal chamber throat busing 1 222D Set screw throat bushing 1 Impeller Nut Kit Item No Part Name 304 Impeller nut 1 198A Set screw i...

Страница 117: ...Kit Item No Part Name Qty 392B Cooling fan CCW 1 234D Cooling fan shroud support 1 234A Shroud cooling fan thrust 1 469Q Hex cap screw guard support 5 222V Set screw fan 2 785D Cowling cooling fan 1 569F Hex cap screw cowling 4 123B Deflector fan radial 1 6 6 Reassembly Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 115 ...

Страница 118: ...rn or broken Inspect and replace the impeller if necessary The pump starts and then stops pumping The pump is not primed Re prime the pump and check that the pump and suction line are full of liquid The suction line has air or vapor pockets Rearrange the piping in order to eliminate air pockets The suction line has an air leak Repair the leak There is not sufficient lu brication Check the lubrican...

Страница 119: ...d is probably twisted 1 Determine which corners of the baseplate are high or low 2 Remove or add shims at the appropriate cor ners 3 Realign the pump and driver 7 3 Assembly troubleshooting Table 16 Troubleshooting procedure Symptom Cause Remedy There is excessive shaft end play The internal clearance of the bearings is excessive Replace the bearings with a bear ing of the correct type The thrust ...

Страница 120: ...Bushing 1003 2244 2244 2256 2147 2256 2435 3280 132 Screw Lifting Holes 2502 136 Locknut Thrust Bearing 164 Wear Ring Casingf 1001 2245 2245 2371 2245 2371 6942 6171 168 Radial Bearing 178 Key Impeller 2244 2229 2244 2229 2435 3280 184 Seal Chamber Cover 9020 1344 9495 12 34 9497 12 96 9698 41 20 9A01 1 396 195G Cover Suction Flange 3201 10018 195H Cover Discharge Flange 3201 10018 195K Blind Flan...

Страница 121: ...Gland Nuts 5427 356A Casing Stud 5426 358E Pipe Plug Oil Ring Inspection 2502 358F Pipe Plug Oil Mist Injection 2502 358X Pipe Plug Frame Cooling 2502 360 Bearing End Cover Gaskets 5130 0001 362A Insert Stud 2292 362B Hex Nut Insert to Case 2285 362C Jacking Bolt Insert 2292 370H Cap Screw Frame to S C 2502 370N Cap Screw Thrust Cover to Frame 2502 370P Cap Screw Radial Cover to Frame 2502 372T Ca...

Страница 122: ...Cover 2177 550A Filter Assembly 569A Hex Cap Screw Suction Cover 5429 569B Hex Cap Screw Discharge Cover 5429 569F Hex Cap Screw Cowling 2502 569G Hex Cap Screw Vent Bypass Ship ping Cover 5429 570A Nut Hex Suction Cover 5429 570B Nut Hex Discharge Cover 5429 571D Cover Recirculation Flange Cover 3201 572D Gasket Recirculation Flange Cov er 5107 573D Hex Cap Screw Recirculation Shipping Cover 5429...

Страница 123: ...Cross sectional 8 1 Parts list Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual 121 ...

Страница 124: ...nuals 9 1 For additional documentation For any other relevant documentation or manuals contact your ITT representative 9 Other Relevant Documentation of Manuals 122 Model 3700i API610 Type OH2 Installation Operation and Maintenance Manual ...

Страница 125: ...or 04 06 Singapore 159303 65 627 63693 65 627 63685 Asia Pacific ITT Goulds Pumps Ltd 35 Oksansandan ro Oksan myeon Heungdeok gu Cheongju si Chungcheongbuk do 28101 Rep of KOREA 82 234444202 Europe ITT Goulds Pumps Millwey Rise Industrial Estate Axminster Devon England EX13 5HU 44 1297 639100 44 1297 630476 Latin America ITT Goulds Pumps Camino La Colina 1448 Condominio Industrial El Rosal Huechur...

Страница 126: ...ment and more information www gouldspumps com Goulds Pumps 240 Fall Street Seneca Falls NY 13148 USA 2022 ITT Inc The original instruction is in English All non English instructions are translations of the original instruction Form IOM 3700i en US 2022 06 ...

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