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Instruction and Operation Manual

58

Pump Mechanical Seal Diagnostics

The following table contains diagnostic
information that is applicable to single seal,
double seal, and tandem seal equipped units.

Repair procedures for mechanical seals are
listed in this manual under Maintenance

.

Table 9. Pump Mechanical Seal Diagnostics

Situation/Symptom

Possible Cause

Investigative/Corrective Action

Severe cavitation or loss of suction causing
vibration and bouncing of seal face.

Correct pump suction condition causing
cavitation. Bleed vapor from seal cavity and
restart.

Install double seal if loss of suction cannot be
prevented.

Seal icing on low temperature pumps or icing
when handling fluids which vaporize at a
temperature of less than +32°F (0°C) at
atmospheric pressure

Quench with compatible fluid which will not
freeze at pump temperature through seal drain
port 2 or 7 to prevent ice formation on
atmospheric side of seal during start-up and in
running condition.

Use purge of dry nitrogen gas through ports
2 or 7.

Install double or tandem seal if ice is caused by
water in process fluid or supply external seal
flush of compatible fluid which does not contain
water.

Solid particles in seal cavity or seal spring area
(seal faces usually have rough scratched
appearance).

Inspect for clogged integral centrifugal separator
orifices. Clean orifices if necessary (plan 31 if so
equipped.)

Supply external clean seal flush or double seal if
particles cannot be removed by separator.

Seal stationary face spring action is rough and
sticky.

If parts are corroded, replace with parts made
from compatible materials.

If formation of solids causes sticky seal analyze
fluid properties. Use external seal flush or double
seal arrangement.

Worn or damaged seal.

Disassemble seal and rebuild or replace per
instructions in maintenance section.

Wear pattern on seal rotating faces not uniform.

Lightly lap surfaces of shaft sleeve and impeller
hub which contact rotating seal face to remove
high spots. Install new seal faces.

Wear pattern on stationary face smooth but not
uniform.

Lap flat or replace seal.

Sudden increase in seal
leakage.

Edges of stationary face chipped and seal face
worn. (Vapor flashing in seal cavity will cause
excessive wear and/or cracking of rotating face.)

Install seal cavity bypass to suction tank.

Prevent loss of pump suction.

Supply cool seal flush.

Install double seal.

Sudden increase in seal
leakage
cont.

Seal rotating face cracked or broken. May be
caused by damage at assembly or thermal shock
caused by seal running dry.

Prevent loss of pump suction or supply
continuous external seal flush.

Install double seal.

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Содержание LMV-313

Страница 1: ...SUNDYNE LMV 313 PUMPS Instruction and Operation Manual August 2007 ...

Страница 2: ... period Sundyne s sole obligation shall be limited to alteration repair or replacement at Sundyne s expense F O B Factory of parts or equipment which upon return to Sundyne and upon Sundyne s examination prove to be defective Equipment and accessories not manufactured by Sundyne are warranted only to the extent of and by the original manufacturers warranty Sundyne shall not be liable for damage or...

Страница 3: ...Vertical Units Without Stands 6 Mounting Vertical Units with Stands LMV 7 Base Mounted BMP Units 7 Driver and Coupling 7 Flexible Coupling for LMV Units Without a Vertical Stand 7 Lube System 8 Gearbox Heat Exchanger 8 Oil Manifolds 9 Remote Heat Exchanger 9 Gearbox Sump 9 SundGard Oil Filter 10 Main Lube Pump and Lube Oil Priming Kit 10 Oil Pressure 11 COMMISSIONING START UP OPERATION 12 Pre Comm...

Страница 4: ...m Adjustments 29 Procedure for Checking the High Speed Shaft Endplay and Shoulder Height 33 Assembly Clearance Data Sheet 35 Specialty Tools 37 Shaft Loading Tool 37 Impeller Locking Tool 39 Falk Steelflex Type Coupling Specifications 40 Falk Double Gear Type Coupling Specifications 40 Falk Double Gear Type Vertical Specifications 41 Thomas Type DBZ Coupling Specifications 41 Thomas SN Spacer Type...

Страница 5: ...urance Limited Genuine parts and accessories are specifically designed and tested for use with these products to ensure continued product quality and performance Sundyne cannot test all parts and accessories sourced from other vendors incorrect design and or fabrication of such parts and accessories may adversely affect the performance and safety features of these products Failure to properly sele...

Страница 6: ...ck out Tag out program be followed prior to altering the equipment Locks or tags must be provided to warn employees that equipment is temporarily unavailable Once all work has been completed the person installing the lock or tag must remove it according to company procedure Testing Equipment Prior to performing a test on newly installed maintained or repaired equipment all personnel in the immedia...

Страница 7: ...g term storage conditions must be met to ensure minimum corrosion damage to components Note Sundyne does not accept liability for equipment damaged during the storage period Sundyne does not guarantee the quality of equipment during and after the storage period To ensure the original quality of the Sundyne pump after storage all components must be inspected by an authorized Sundyne service enginee...

Страница 8: ...n integral gearbox Designed to increase the pressure of a continuous flow of fluid by applying centrifugal action Sundyne pumps are most commonly used in HPI CPI and Boiler Feed applications Commonly applied in refineries petrochemical plants and power generation plants Sundyne pumps are used in high head low to medium flow processes This manual presents installation servicing troubleshooting main...

Страница 9: ...e recommends using a straight pipe assembly of at least three times the length of the pipe diameter Note Carefully select the size of pipe and fittings to be installed so that friction losses will remain low 5 Never use a suction pipe that is smaller in diameter than the pump suction inlet 6 Sundyne recommends installation of a discharge check valve to prevent reverse rotation 7 Use block valves b...

Страница 10: ...ation Note Port 5 is the highest point in a vertically mounted pump and should be used for start up venting only Liquid Buffer System For double liquid seals and tandem liquid seals A liquid buffer system is used Introduce the buffer liquid into port 7 which will flow through the seal cavity and out from port 2 Buffer flow should be 0 5 to 3 gpm 2 to 12 liters min with an inlet temperature of 60o ...

Страница 11: ...lexible Coupling for LMV Units Without a Vertical Stand Note Lock out the driver starting switch before working on the coupling When installing flexible couplings use those supplied by Sundyne to ensure tolerance of parallel and angular misalignment and axial end float Use flexible disc couplings or gear type couplings if not using those supplied by Sundyne Coupling installation for turbine driver...

Страница 12: ...or Sundyne pumps consist of four major components They are Gearbox sump Main lube pump Oil heat exchanger Oil filter The lube pump intakes oil from the sump and passes it internally to an externally mounted manifold The oil is then passed through the heat exchanger the filter and back into the gearbox Once the oil is passed through the bearings it then drains back into the sump Gearbox Heat Exchan...

Страница 13: ...nless the piping is included with packaged units All connecting piping including fittings must not exceed 20 6m The minimum requirement of all piping is 5 8 16mm inner diameter I D tubing or piping If pipe lengths exceed 20 6m then the pipe diameter must be increased accordingly Gearbox Sump The gearbox sump holds approximately seven U S quarts 6 6 liters of oil not including the oil contained wit...

Страница 14: ...ater when the main drive motor is not running The main lube pump is a positive displacement gear type pump directly driven by the input shaft A pre lube system is required on some pumps The kit consists of Motor driven positive displacement pump Check valve Gages Necessary piping To start the pump allow the pre lube pump to run for approximately 30 seconds There should be a minimum indication of 7...

Страница 15: ...earbox internal lube pump will maintain oil pressure between 15 and 60 psig 1 0 and 4 2kg cm2 This oil pressure can vary depending on the bearing configuration and characteristics of the oil being used Note Never operate the gearbox with oil pressure less than 10 psig 0 7 kg cm2 ...

Страница 16: ...dards as indicated in the detailed specifications Verify all switch and instrument connections Verify that all switch and instrument settings are set to normal operating standards Calibrate all measurement equipment such as flow meters ampere meters and pressure meters etc Installing a Seal Environmental Control System Install a system to control the seal environment Also verify that port 1 is pro...

Страница 17: ...nlock the electrical circuit and move it to the hand position Check for oil leaks and recheck the oil level Setting the Valves To set the pump to the designated operating point start the pump with the suction valve in the open position while throttling the discharge valve Operating Conditions Verifying Operating Conditions Verify the following parameters against the specifications on the specifica...

Страница 18: ...rolled by the rabbet fits on the gearbox and coupling adaptor Is a check valve installed in the discharge line Is port 1 open to atmosphere or piped to safety drain or flare or vent header Back pressure must not exceed 5 psig Sundyne recommends the installation of a check valve in the flare piping to prevent backflow Note A drip leg must be used if the port 1 connection rises from the seal housing...

Страница 19: ...ange in specific gravity suction pressure flow rate etc the factory should be consulted to ensure that the run in conditions are compatible with the pump 2 Check to ensure that the driver has been serviced per instructions provided by the driver manufacturer 3 Auxiliaries Check utility connections verify that auxiliary piping is per Sundyne drawings verify switch and instrument connections and set...

Страница 20: ... pump for several minutes to work any trapped air out of the piping Adjust the relief valve on the auxiliary pump to provide 25 psi 1 76 kg cm2 oil pressure to the system b The auxiliary system is intended to provide oil before starting the main driver It should run for a minimum of 5 seconds at minimum pressure before the main driver is started Pressure switches and time delays can be used if aut...

Страница 21: ...pumps if either of two conditions exist Internal flow separations Recirculation at low flow conditions If the operator is noticing excessive noise or vibration operation must be suspended until the cause is determined and corrected Continued use may cause damage to the pump Resonance in the discharge line can accentuate noise vibration and damage to the pump primarily when a control valve is locat...

Страница 22: ...ed A and B are demonstrated in the Parallel Operation figure Since no two pumps will have exactly the same performance it is assumed that pump A produces a slight amount more head than pump B The pumps are arranged with a common manifold as shown in Parallel Units Common Valve figure Figure 9 Parallel Operation Figure 10 Parallel Units Common Valve The pressure in the manifold is set at P1 the flo...

Страница 23: ... difficult to separate use the three jacking screws to break the seal STEP 2 Install the anti rotation device to prevent impeller from spinning Note Locking tools part number TO01AK03 for splined or TO01AK02 for coupled shafts are available for purchase from Sundyne Corporation STEP 3 Remove the inducer Note All inducers have a left handed thread Note When working on a pump with a tapered inducer ...

Страница 24: ...nducer is used the diffuser will remain in the pump case Removing the bolts from the inducer housing STEP 5 Remove the inducer stud and o ring 936F STEP 6 Remove the six diffuser mounting bolts Build stand shown part number T MT 215 is available for purchase from Sundyne Corporation STEP 7 Install 3 8 eyebolts into the diffuser for lifting STEP 8 Carefully lift the diffuser off the gearbox housing...

Страница 25: ...ent drawings later in this manual for differences STEP 10 Remove the impeller and o ring 936G The impeller can be removed using two screwdrivers to pry up gently on opposite sides STEP 11 Remove the diffuser cover and o ring 936E STEP 12 Remove the impeller spacer and o ring 936G STEP 13 Remove the lower seal rotating face and o ring 936J STEP 14 Remove the lower seal retaining bolts and remove th...

Страница 26: ...EP 16 Remove the upper rotating face and o ring 936J STEP 17 Remove seal housing bolts STEP 18 Insert eyebolts into the seal housing for lifting STEP 19 Lift off seal housing Be careful not to damage the upper process seal on the high speed shaft Remove two 936H o rings Remove upper seal ...

Страница 27: ...he gearbox seal retaining bolts STEP 22 Remove the gearbox seal and o ring 936P STEP 23 Remove the thermal barrier gasket STEP 24 Remove the gearbox seal rotating face Use extraction tools to remove the rotating face STEP 25 If no maintenance rack is available loosen the nuts rather than the bolts ...

Страница 28: ...t or damage may occur to the aluminum housing Damage to the alignment bores can cause increased vibration and reduce gearbox life STEP 27 Remove the gearbox housing bolts STEP 28 Remove the anti rotation device STEP 29 Remove fill and vent cap from gearbox STEP 30 Remove the fill and vent fitting Use a pipe wrench to remove the fitting ...

Страница 29: ... aluminum can be used in the slots to assist in breaking the seal between housings STEP 32 Tip the idler shaft out of the way by lifting it up and out of the lower bearing race and tilt it towards the outside of the gearbox STEP 33 Remove the input shaft STEP 34 Remove the bearing plate Turn over for high speed bearing removal ...

Страница 30: ...assembly by lifting straight up STEP 37 Remove the tilt pad bearing STEP 38 Remove the lower journal bearing STEP 39 Remove the lube pump from the bearing plate The longer two of the four bolts are used to hold the pump in the bearing plate and the shorter bolts hold the lube pump together STEP 40 Remove all lube jets and plugs flush with solvent then blow out all the lube passages ...

Страница 31: ...he gearbox is assembled To check straightness the shaft must be placed in V blocks on it s bearing journals and have runout measured at the impeller fit 0 0018 inch TIR max Gearbox Mechanical Seal Carefully inspect the seals for abrasive particles excessive seal face wear and any binding of the seal face washer Replace or rebuild a faulty mechanical seal Seals may be rebuilt by replacing the seal ...

Страница 32: ...on the end surfaces of the shaft sleeve or the impeller hub High spots will distort the seal rotating face due to the clamping force of the impeller bolt Ensure that shaft sleeve end faces are parallel within 0 0003 0 0076mm Bearing and Shaft Clearances Figure 11 Bearing and Shaft Clearances ...

Страница 33: ...he readings Use a depth micrometer to measure dimensions C and D Compare B to C and A to D Select the spacer thickness that will place the parts within tolerances for the position specified in the Impeller Shim Adjustment figure Note Some diffuser openings are much wider than the impeller openings The primary tolerance is the 0 025 020 inch 0 635 0 508 mm setting The diffuser opening must not over...

Страница 34: ...er clearance Confirm this number by comparing it against the number in the Inducer Housing Shim Adjustments figure The shim 158F is made with 0 002 or 0 003 inch 0 051 or 0 076 mm thick laminations Peel off any layers that are not needed Remove the inducer housing 6 and install the shim 158F o ring 936CA and inducer housing 6 in the diffuser Note Proper shimming of the inducer housing is critical ...

Страница 35: ...Instruction and Operation Manual 31 Figure 13 Shaft Loading Tool Installation Figure 14 Inducer Housing Adjustment ...

Страница 36: ...Instruction and Operation Manual 32 Figure 15 Inducer Housing Shim Adjustment ...

Страница 37: ...e Be careful not to damage the thrust washer 155B Leave out the idler shaft assembly A140 gearbox gasket 105 and the o ring 936T from the gearbox split line Install both of the alignment bolts 909C Do not install the gearbox input housing Clamp the bearing plate to the lower housing using C clamps or short bolts This will insure a metal to metal fit Step 5 Turn the assembly over so the output shaf...

Страница 38: ...tension Shaft extension must be checked with thrust in noted direction Measurements are made with dry no oil bearings Item No Part Name QTY 101A 102 151A 151B 155A 158 Gearbox Output Housing Gearbox Bearing Plate Standard Capacity Tilt Pad Thrust Bearing Journal Bearing Journal Bearing High Capacity Tilt Pad Thrust Bearing Shims As Required 1 1 1 1 1 1 ...

Страница 39: ...haft SP01AA04 Item 158 Shim below high speed shaft SP01AA04 Item 158 High speed shaft end play 0 015 0 002 High speed shaft extension 1 203 0 005 MINIMUM ALLOWABLE IMPELLER LABYRINTH CLEARANCE 0 010 0 005 0 000 Impeller shim SP01AK01 Item 158C Inducer housing shim SH06AK06 Item 158D Diffuser Gap Maximum 0 002 Impeller Alignment ...

Страница 40: ...Instruction and Operation Manual 36 Figure 17 Service Check Points ...

Страница 41: ... the shaft against the lower thrust bearing with an approximate 1000 pounds 453 6 kg end load This removes slack from the bearing stack up It also allows for more consistency in adjusting the impeller and inducer housing shims See the following figures for details Pumps using the tapered inducer configuration do not require tool items 6 7 and 8 This is due to the diffuser in these machines being b...

Страница 42: ... or 1 x 3 inch channel steel 1 2 Same as item 1 2 3 Tension bolt loads impeller and rotating assembly 1 4 Flat washer 2 5 Nut 10 UNC 1 6 Bolt 10 UNC 8 long min threaded full length Holds diffuser against seal housing Not required with vaned diffuser 2 7 Bolt 12 UNC 2 long not required with vaned diffuser 2 8 Flat Washer 2 ...

Страница 43: ...ter the diffuser and inducer housing are in place Do not lock the impeller by inserting a rod thru the diffuser discharge into the impeller Risk of damaging the hardware is likely using this method The correct method is to lock the input shaft See the Input Shaft Locking Tool figure for details on the suggested tools for both the splined and coupled shaft configurations The 90 ft lb 123 N m induce...

Страница 44: ... 2 30 kg m 70T10 0 062 in 1 57 mm 0 125 in 3 17 mm 0 188 in 4 77 mm 200 in lb 2 30 kg m 80T10 0 062 in 1 57 mm 0 125 in 3 17 mm 0 250 in 6 35 mm 200 in lb 2 30 kg m Falk Double Gear Type Coupling Specifications Table 2 Falk Double Gear Type Coupling Specifications End Gap Operating Limits Total Indicator Reading Falk Coupling Size Minimum Normal Maximum Offset Maximum Angular Maximum Bolt Torque 1...

Страница 45: ... 4 83 kg m Thomas Type DBZ Coupling Specifications Table 4 Thomas Type DBZ Coupling Specifications End Gap Thomas Coupling Size Minimum Normal Maximum Cover Bolt Torque 163 0 876 in 22 24 mm 0 938 in 23 81 mm 1 005 in 25 41 mm 156 in lb 1 80 kg m 201 0 876 in 22 24 mm 0 938 in 23 81mm 1 005 in 25 41 mm 300 in lb 3 46 kg m 226 1 126 in 28 59 mm 1 188 in 30 18 mm 1 251 in 31 76 mm 516 in lb 5 95 kg ...

Страница 46: ...mas Coupling Size Minimum Normal Maximum Offset Maximum Angular Maximum Bolt Torque SN226 0 563 in 14 30 mm 0 594 in 15 09 mm 0 625 in 15 88 mm 0 005 in 0 127 mm 0 005 in 0 127 mm 516 in lb 5 95 kg m SN262 0 438 in 11 13 mm 0 469 in 11 91 mm 0 500 in 12 70 mm 0 005 in 0 127 mm 0 005 in 0 127 mm 516 in lb 5 95 kg m SN312 0 469 in 11 91 mm 0 500 in 12 70 mm 0 531 in 13 49 mm 0 005in 0 127 mm 0 005 i...

Страница 47: ...to 35 2 150 180 SSU 100 F Viscosity CST at 100 C 5 2 44 min SSU 210 F Viscosity Index 95 minimum ISO Viscosity Grade 32 Color Maximum ASTM D 1500 1 to 5 Neut Number Maximum 0 20 Rust Protection Pass ASTM D 665 A B Demulsibility ASTM D 1401 Minutes to 0 ml emulsion At 54 C 130 F after 30 min Pass At 82 C 180 F after 60 min Pass Foam Limits ASTM D 892 Sequence 1 25 0 max Sequence 2 50 0 max Sequence...

Страница 48: ... 11 5 N m 905F Throttle Bushing Mechanical Seal 1 4 20 x 12 9 5 102 in lbs 11 11 5 N m 905G Double Seal with Spacer 1 4 20 x 3 4 95 102 in lbs 11 11 5 N m 914A Case Nuts 3 4 10 250 275 ft lbs 340 375 N m 914A Case Nuts 7 8 9 300 330 ft lbs 405 445 N m 905A Seal Housing to Gearbox 3 8 16 x 1 3 4 35 40 ft lbs 47 54 N m 905P Separator 1 4 20 x 5 8 95 102 in lbs 11 11 5 N m Pumps Compressors NACE Comp...

Страница 49: ...all lube jets Install all plugs and install the lube pump in the bearing plate STEP 2 Insert shim under lower journal bearing STEP 3 Install lower journal bearing Note Torque to 28 31 in lbs Step 4 Install tilting pad thrust bearing STEP 5 Install high speed shaft assembly dry ...

Страница 50: ...all the upper journal bearing into the bearing plate Note Torque hex head screws to 35 40 in lbs STEP 8 Install bearing plate onto the lower housing without gasket or o ring STEP 9 Use alignment bolts to align the bearing plate STEP 10 Clamp bearing plate to the lower gearbox housing Note C clamps can be utilized to perform this task Be sure to protect the housing faces from any clamping damage ...

Страница 51: ...oulder Height in this manual STEP 12 With rotating face installed check shaft shoulder height using a depth micrometer Note Tolerances for shaft shoulder height are 1 203 0 005 Once the correct endplay is confirmed install the housing gasket and o ring in the lower housing Pre lubricate the shafts and bearings from this point in assembly STEP 13 Install idler shaft and high speed shaft assembly ST...

Страница 52: ...ll the two alignment bolts turning the nuts but not the bolts Then install the remaining housing bolts STEP 18 Install the fill and vent fitting STEP 19 Install the vent cap STEP 20 Install the anti rotation tool STEP 21 Install the gearbox seal rotating face gearbox seal and o ring 936P ...

Страница 53: ...rrier gasket STEP 24 Install upper process seal and o ring 936H onto seal housing Note Torque hex head screws to 95 102 in lbs STEP 25 Install the seal housing Note Before installing the seal housing insert the bolts for the seal housing into holes and temporarily install nuts on them to hold in place It is very difficult to insert the bolts after the seal housing has been installed onto the gearb...

Страница 54: ... two 936J o rings one on the top of the sleeve and one on the bottom STEP 28 Install the lower process seal and 936H o ring Note Torque process seal hex head screws to 95 102 in lbs STEP 29 Install lower mating ring o ring 936G and impeller spacer 158C STEP 30 Install impeller o ring 936G Note Use petroleum jelly to hold the o ring in position ...

Страница 55: ...own on the tool 25 ft lb for standard tilt pad thrust and 50 ft lb for high thrust glacier bearings Note Refer to the Specialty Tools section later in this manual for additional information on the shaft loading tool Apply anti seize to the inducer stud Fully thread inducer stud into inducer loading tool Note Inducer stud is left hand thread Thread inducer stud and inducer loading tool into shaft e...

Страница 56: ...ional information STEP 34 Use measurement of diffuser to ensure that the openings will line up with the openings in the impeller by changing the impeller shimming as necessary Note An Assembly Clearance Data Sheet is provided later in this manual to record your measurements STEP 35 Remove the impeller and shaft loading tool and install the diffuser cover and o ring 936E STEP 36 Install impeller an...

Страница 57: ... 41 Install the inducer housing shims and o rings 936C and 936CA Note Ensure that the inducer tool doesn t rotate while torque is applied on the loading tool STEP 42 Install shaft loading tool to fully extend the shaft torque the shaft and then loosen tool STEP 43 Remove the shaft loading tool and the inducer housing Measure the pieces of solder to determine if the amount of gap is within toleranc...

Страница 58: ...ngs STEP 45 Fully thread inducer stud into inducer and install inducer into inducer housing Note Torque inducer stud to 85 90 ft lbs STEP 46 Rotate the gearbox STEP 47 Install T hooks for lifting the gearbox STEP 48 Lift gearbox up and position over the pump case Install o rings 936B 936CB and backing ring 70B STEP 49 Lower the gearbox onto pump casing Note Before operating the pump ensure that th...

Страница 59: ...vel or pressure too low Entrained air or vapor in pumped fluid NPSH reduced by presence of more volatile fluid in process fluid Failure of drive component such as interconnecting shaft or impeller key or item missing from assembly Disassemble and inspect No flow no pressure at start up Reverse direction of rotation Direction of driver shaft rotation must be as shown by arrow on pump casing Note Im...

Страница 60: ...ravity or viscosity higher than values listed on specification sheet Check actual viscosity and specific gravity against value listed on specification sheet Electrical failure in electric driver Check circuit breaker heater size and setting Check voltage and voltage balance between phases Current for each phase should be balanced within three percent Mechanical failure in driver gearbox or pump Re...

Страница 61: ...r gearbox as outlined under Maintenance Low speed shaft seal 115 leakage Check drain port for leakage Replace shaft seal if required High speed shaft mechanical seal 60C leakage Check upper gearbox housing drain port for leakage Replace shaft seal if required Excessive gearbox oil consumption Leakage through heat exchanger into cooling fluid Pressure test heat exchanger and replace if required Hig...

Страница 62: ...spring area seal faces usually have rough scratched appearance Inspect for clogged integral centrifugal separator orifices Clean orifices if necessary plan 31 if so equipped Supply external clean seal flush or double seal if particles cannot be removed by separator Seal stationary face spring action is rough and sticky If parts are corroded replace with parts made from compatible materials If form...

Страница 63: ...h speed shaft journal bearings and replace if necessary Check if damage exists on impeller and or inducer which will indicate that a large particle went through the pump Deposits on the impeller inducer causing unbalance Damage to mechanical seal secondary seal Teflon wedge or U cup or elastomer o ring Check for erosion and or corrosion attack Install seal flush or double seal arrangement Loose st...

Страница 64: ...her 63A 63B N A Seal Spring Backup Ring 64A 64B 64C Seal Retaining Ring 65A 65B 65C Seal Spring 68A 68B N A Teflon Wedge 69A 69B 69C Secondary may be U Cup or O Ring Seal Repair Kits are Available and contain all parts marked with a single asterisk Item 60C to be used on gearbox only To maximize seal performance consult the parts list for correct seal configuration For additional information pleas...

Страница 65: ...Instruction and Operation Manual 61 1 gas seal for upper tandem position on light hydrocarbon service only Gearbox Seal Only ...

Страница 66: ... Vent must be open to atmosphere or to safety drain with no back pressure Item numbers can be cross referenced to part numbers using parts list Note Ensure that diffuser cavity vent item 924B in the figure above is open to atmosphere or to safety drain with no back pressure Failure to do so could result in serious injury or death ...

Страница 67: ...6S Seal Washer 4 30 Seal Housing 1 924B Pipe Plug NPT 5 50 Shaft Sleeve Slinger Assy 1 924D Pipe Plug NPT 4 50A Shaft Sleeve AR 936A O Ring Packing 1 50B Shaft Sleeve 1 936B O Ring Packing 1 51A Seal Mating Ring AR 936C O Ring Packing 1 51C Seal Mating Ring 1 936E O Ring Packing 1 51D Seal Mating Ring Gearbox Not Shown 1 936F O Ring Packing 1 52 Seal Spacer 1 936G O Ring Packing 2 60A Seal Mechani...

Страница 68: ...ad Cap Screw 3 130 High Speed Shaft 1 905N Hex Head Cap Screw 3 132B Pinion Gear High Speed 1 905BU Hex Head Cap Screw 3 133B Thrust Runner 1 909B Bolt 7 133C Thrust Runner 1 909C Bolt Alignment 2 A140 Idler Shaft Assembly 1 914E Hex Nut 7 140 Idler Shaft 1 914F Hex Nut 2 50C Journal Sleeve 1 916D Washer 4 934B Retaining Ring 1 916H Washer 14 122C Spur Gear Idler 1 916J Washer Alignment 4 123B Sha...

Страница 69: ...Instruction and Operation Manual 65 Figure 22 Gearbox Components ...

Страница 70: ...Instruction and Operation Manual 66 Figure 23 Pump Nomenclature ...

Страница 71: ...Instruction and Operation Manual 67 Figure 24 Exploded View ...

Страница 72: ...Instruction and Operation Manual 68 Shaft Assemblies Figure 25 Shaft Assemblies ...

Страница 73: ...truction and Operation Manual 69 Chemical Barrier Gasket Figure 26 Chemical Barrier Gasket Item No Part Name Qty 106 Chemical Barrier Gasket 1 107 Seal Spacer 1 905T Hex Head Cap Screw 3 916V Seal Washer 3 ...

Страница 74: ...Instruction and Operation Manual 70 Single Seal Arrangement and Parts Figure 27 Single Seal Arrangement ...

Страница 75: ... ring Packing 1 52 Seal Spacer as required 1 905E Hex Head Cap Screw 3 60A Mechanical Seal Lower 1 905F Hex Head Cap Screw 3 61A Retainer Drive Sleeve Assembly 1 905L Hex Head Cap Screw 3 62A Seal Face Washer 1 916A Washer 3 63A Seal Spring Backup Disc 1 916B Washer 3 64A Seal Retaining Ring 1 916K Washer 3 65A Seal Spring 6 936H O ring Packing 2 68A Seal Wedge Ring 1 936J O ring Packing 1 60C Mec...

Страница 76: ...Instruction and Operation Manual 72 Double Seal Arrangement and Parts Figure 28 Double Seal Arrangement ...

Страница 77: ...hanical Seal Lower 1 65C Seal Spring 8 61A Retainer Drive Sleeve Assembly 1 69C O ring Packing 1 62A Seal Face Washer 1 905F Hex Head Cap Screw 3 63A Seal Spring Backup Disc 1 905G Hex Head Cap Screw 3 64A Seal Retaining Ring 1 905L Hex Head Cap Screw 3 65A Seal Spring 6 916A Washer 3 68A Seal Wedge Ring 1 916B Washer 3 60B Mechanical Seal Upper 1 916K Washer 3 61B Retainer Drive Sleeve Assembly 1...

Страница 78: ...Instruction and Operation Manual 74 Tandem Seal Arrangement and Parts Figure 29 Tandem Seal Arrangement ...

Страница 79: ...ce Washer 1 61A Retainer Drive Sleeve Assembly 1 64C Seal Retaining Ring 1 62A Seal Face Washer 1 65C Seal Spring 8 63A Seal Spring Backup Disc 1 69C O ring Packing 1 64A Seal Retaining Ring 1 905E Hex Head Cap Screw 3 65A Seal Spring 6 905F Hex Head Cap Screw 3 68A Seal Wedge Ring 1 905L Hex Head Cap Screw 3 60B Mechanical Seal Upper 1 916A Washer 3 61B Retainer Drive Sleeve Assembly 1 916B Washe...

Страница 80: ...nt Figure 31 Inducer Housing Shim Adjustment Figure 32 Inducer Housing Shim Adjustments 29 Input Shaft Loading Tool Figure 39 Inspecting All Bearings 27 Inspection 3 Inspection and Cleaning and Repair 27 INSTALLATION 5 Installation and Start Up Checklist 14 ISO 9001 1 Liquid Buffer System 6 Lube Oil Schematic Figure 10 Lube System 8 Machine Familiarization 12 Main Lube Pump and Lube Oil Priming Ki...

Страница 81: ...pment 2 Text Symbols 1 Thomas SN Spacer Type Vertical Horizontal Specifications 42 Thomas Type DBZ Specifications 41 TRANSPORT AND STORAGE 3 Troubleshooting 55 Typical Operation Figure 17 Upper Shaft Sleeve 28 Using Forklifts 2 Wet End Components 62 ...

Страница 82: ... www sundyne com Sundyne Europe Dijon Longvic France 33 0 3 80 38 33 00 FAX 33 0 3 80 38 33 66 Sundyne Nikkiso 27 10 Ebisu 2 Chome Shibuya Ku Tokyo 150 0013 Japan 81 3 3444 6475 FAX 81 3 3444 6806 ANSIMAG ANYSPEED CASTER GSP HMD KONTRO MASO SINE SUNDYNE COMPRESSORS SUNDYNE SUNFLO ...

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