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Godwin HL Series Installation Operation and

1. a Choose either of the following 1 Position A 2 Position B Figure 2 Skid without D rings and fork pockets 8 HL Installation Operation and Maintenance Manual Transportation and Storage ia Figure 3 Skid with D rings and fork pockets Figure 5 Large skid without D rings and fork pockets HL Installation Operation and Maintenance Manual 9 Transportation and Storage Lifting Figure 6 Critically silenced enclosure WARNING Crush Hazard Always lift the unit by its designated lifting points Use suitable lifting equipment and ensure that the product is properly harnessed Wear personal protective equipment e Stay clear of cables and suspended loads Lifting equipment and tackle should always be inspected before starting work Requirements for lifting WARNING Lift and handle the product carefully using suitable lifting equipment The lifting equipment must be in good condition and operated by authorized personnel The lifting equipment must have the lifting capacity for the complete weight of the assembly a
2. 1 Fork pockets Figure 12 Fork pocket location Storage guidelines Storage location The product must be stored in a covered and dry location free from heat dirt and vibrations NOTICE Protect the product against humidity heat sources and mechanical damage Do not place heavy weights on the packed product Freezing precautions NOTICE Do not expose an idle pump to freezing conditions Drain all liquid that is inside the pump and connected pipes Failure to do so can cause liquid to freeze and damage the pump Short term storage Refer to the pump end and the drive unit maintenance manuals for detailed storage instructions Empty the pump of all product and clean surfaces of dirt debris oil fuel and associated matter Remove the front cover and coat the front of the wear plate and the impeller with an appropriate rust inhibitor Coat any unpainted machined surfaces that are subjected to rust and corrosion If the pump is stored outside and subject to weather then cover the pump and the engine with a waterproof tarpaulin Long term storage Perform all of the steps that are listed in the short term storage section Store the unitin a covered and dry location e Store the unit in a location free from heat dirt and vibrations HL Installation Operation and Maintenance Manual 13 Transportation and Storage If an engine drives the pump then perform the following steps Replace the oil
3. HL Installation Operation and Maintenance Manual Troubleshooting Possible cause Remedy Compressor units only the ejector jet or the nozzle is blocked or damaged Refer to the attached ejector package drawing for part descriptions and locations Check the ejector jet and nozzle for any blockage and damage clear any blockage and replace any damaged parts There is an obstruction in the volute orthe impeller Remove the front cover and check the volute and impeller for obstructions clear as necessary The impeller is excessively worn or damaged Check the impeller for any damage or excessive wear replace as necessary The delivery line leaks or is blocked Check the line for leaks or blockage replace damaged pipe and clear any blockage Table 4 The unit vibrates or overheats Possible cause Remedy The suction inlet or the strainer is blocked Check the inlet or the strainer for any blockage clean as necessary The discharge head is too high Check the length of the discharge line If the length is greater than the maximum head of the pump then reduce the length of the discharge line There is an obstruction in the volute or the impeller Remove the front cover and check the volute and impeller for obstructions clear as necessary The impeller is excessively worn or damaged The delivery line leaks or is blocked Check the impeller for any da
4. 2 Measure the deflection d 3 Checkthe measurement against the correct value given a Forair compressors with an oil feed from the engine compare the measured value against the value that is given in Belt tension values page 52 b For air compressors with an integral oil sump use 0 38 10 mm for A belt deflection and 0 50 in 13 mm for B belt deflection 4 To obtain the correct deflection value a Forair compressors with an oil feed from the engine add or remove shims beneath the compressor b Forair compressors with an integral oil sump loosen the air compressor fasteners and move the air compressor towards or away from the driving pulley Tighten the fasteners fully when the correct deflection is obtained Belt tension values Table 22 Force and deflection values for belts on air compressors with an oil feed from the engine Pump Speed ratio Pulley centers A Belt type Force F Deflection d HLSOM 1 6 e a 24 5 N 5 51 Ib f 6 mm 0 24 in 52 HL Installation Operation and Maintenance Manual Technical Reference Pump Speed ratio Pulley centers A Belt type Force F Deflection d HLSOM 13 PONE p he lor d 24 5 N 5 511b 6 mm 0 24 in HL110M HL125M 300 0 mm 11 81 9 5 mm 0 37 HLT50M 1 3 in HTD Round Cog 10 8 N 2 43 Ib f in HL200M Impeller to wear plate clearances Table 23 Required clearances between the impeller and the
5. The process temperature changes The piping changes The pump has been serviced Severe vibration while the unit is in operation occurs 26 HL Installation Operation and Maintenance Manual Installation The pump has been removed The driver has been moved Pumps that are close coupled to a diesel engine do not require alignment Types of misalignment Type of misalignment Description Angular misalignment Shafts have an axis concentric at the intersection but not parallel Parallel offset misalignment Shafts have an axis parallel but offset Check and correct angular misalignment before correcting parallel misalignment Types of alignment checks Initial alignment col Final alignment hot Type of check When it is used Initial alignment cold alignment check Final alignment hot alignment check After operation when the pump and the driver are at operating temperature Priorto operation when the pump and the driver are at ambient temperature d alignment checks When After you connect the piping This ensures that pipe strains have not altered the alignment Why If changes have occurred you must alter the piping to remove pipe strains on the pump connections alignment checks When Why After the first run This ensures correct alignment when both the pump and the driver are at operating temperature Periodi
6. any misalignment recheck the alignment If pipe strain exists then correct the piping Permanent installation for skid mounted units Installation stages 22 After selecting a location and installing the concrete the permanent installation will consist of the following Preparation of the skid Installation of the anchor bolts Placement of the skid Fabrication of the grout forms Pouring of the grout HL Installation Operation and Maintenance Manual Prepare the skid GY EONS Installation Forms Anchor bolts Epoxy grout Motor Concrete Figure 14 Permanent installation components Required tools and equipment Hoist equipment Hand tools e Sandblaster Disconnect the coupling between the motor and the pump Remove the motor and the pump from the skid Turn the skid base upside down To remove any paint rust scale or debris that may prevent adhesion sandblast all ofthe surfaces that will be in contact with the grout Turn the skid right side up Coat the jack bolts with anti sieze lubricant and install The jack bolts will extend approximately 2 1 2 from the bottom of the skid Requirements for foundation and anchor bolts Foundation Anchor bolts The foundation must be able to absorb any type of vibration and form a permanent rigid support for the unit The foundation must be poured on a solid footing using a one three five mix that is thick enough to support th
7. Check that an isolation valve is when The isolation valve is required for possible installed in the discharge line e Regulation of flow e Inspection and maintenance of the pump Regulation of pressure 21 Installation Final piping checklist Check Explanation comment Checked Check that a check valve is installed in the The location between the isolation valve and the pump discharge line between the isolation valve allows inspection of the check valve and the pump discharge outlet The check valve facilitates priming It is also used to prevent damage to the pump and seal due to the back flow through the pump when the drive unit is shut off If increasers are used checkthattheyare installed between the pump and the isolation valve If quick closing valves are installed in the This protects the pump from surges and water hammer system check that cushioning devices are used Check that a secondary check valve is A secondary check valve is required for fitted Operation within a closed system High head applications e Suction lifts greater than 23 ft 7 m with a low slung discharge line Check Explanation comment Checked If electric motor driven check that the shaft rotates smoothly Ensure that the power is disconnected Rotate the shaft by hand Make sure that there is no rubbing that leads to excess heat generation or sparks To make sure that pipe strain has not caused
8. Modifications or changes to the product and installation that are made without consulting a Xylem authorized representative Incorrectly executed repair work Normal wear and tear Xylem assumes no liability for these situations Bodily injuries Material damages Economic losses Xylem products are high quality products with expected reliable operation and long life However should the need for a warranty claim arise contact your local sales and service representative HL Installation Operation and Maintenance Manual Transportation and Storage Transportation and Storage Inspect the unit 1 Remove packing materials from the product Dispose of all packing materials in accordance with local regulations 2 Inspect the product to determine if any parts have been damaged or are missing 3 If applicable unfasten the product by removing any screws bolts or straps For your personal safety be careful when you handle nails and straps 4 Contactthe local sales representative if there is any issue Transportation guidelines Precautions DANGER Disconnect and lock out electrical power before installing or servicing the unit WARNING e Stay clear of suspended loads Observe accident prevention regulations in force Check the trailer connection for the tow Read the trailer operation manual before connection of the trailer to the tow vehicle Follow all of the highway safety laws that pertain to the tow vehicle
9. refer to the appropriate service manual available from your local Xylem representative HL Installation Operation and Maintenance Manual Troubleshooting Table 10 The trailer brakes snatch when braking Possible cause Remedy The brakes have been over adjusted Check the brakes readjust as necessary To to adjust the brakes refer to the appropriate service manual available from your local Xylem representative The brake cable sticks Check the brake cable attempt to release the cable If the cable remains seized then remove and replace the cable The brakes have been under adjusted Check the brakes readjust as necessary To adjust the brakes refer to the appropriate service manual available from your local Xylem representative The coupling damper is weak or ineffective To check the coupling damper for weakness or ineffectiveness by hand pull the coupling out and then push it in If the coupling slides back with little to no resistance then replace the coupling damper If the coupling exhibits some resistance to the motion then check other possible causes The drawtube sticks Check the drawtube over the full stroke Lubricate if necessary Table 11 The brakes judder Possible cause Remedy The brake lining is contaminated with grease Check the brake lining If the brake lining is contaminated then replace the lining Failure of the bon
10. 1 Pump model 2 Year of order 3 Order number 4 Unit number within order 5 Xylem reference number 6 Pressure and vacuum tested Figure 13 Example of a pump nameplate HL Installation Operation and Maintenance Manual 17 Installation Installation Pre Installation Pump location guidelines Check fluid levels 18 WARNING Fire hazard Overloaded electrical circuits can cause components to overheat Make sure to use appropriate circuit protection WARNING Assembled units and their components are heavy Failure to properly lift and support this equipment can result in serious physical injury and or equipment damage Lift equipment only at the specifically identified lifting points Lifting devices such as eyebolts slings and spreaders must be rated selected and used for the entire load being lifted Guideline Explanation comment Make sure that the space around the pump is sufficient This facilitates ventilation inspection maintenance and service 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 specified Do not install and operate the equipment in c
11. If the level continually drops then replace the mechanical seal To replace the mechanical seal refer to the appropriate service manual available from your local Xylem representative The discharge head is too high Check the length of the discharge line If the length is greater than the maximum head of the pump then reduce the length of the discharge line There is an obstruction in the volute orthe impeller Remove the front cover and check the volute and impeller for obstructions clear as necessary The impeller is excessively worn or damaged Check the impeller for any damage or excessive wear replace as necessary The delivery line leaks or is blocked Check the line for leaks or blockage replace damaged pipe and clear any blockage The speed of the driver is incorrect Compare the driver speed with the driver speed given on the pump curve Adjust the driver to the correct speed Do not operate the pump outside of the limits that are given in Designations sizes and capacities page 49 Electric motor driven units only the motor rotates in the incorrect direction Check the motor rotation against the directional arrow on the electric motor If the rotation is incorrect reverse the polarity of the electric motor Table 3 Liquid flow ceases Possible cause Remedy The pump does not create a vacuum Perform a vacuum pad test If no vacuum is present then check
12. and the trailer in your region Use the proper sized tow vehicle for the load of the trailer Ensure the trailer is operational and maintenance steps are complete After connecting the hitch assembly to the tow vehicle check that the hitch assembly is latched Verify that the rear and tongue jacks are raised after the trailer is attached to the tow vehicle HL Installation Operation and Maintenance Manual 7 Transportation and Storage 1 Tongue jack 2 Pintle hitch 3 Lift bail 4 Rear jack 5 Safety chains Figure 1 Trailer parts Disconnection from the towing vehicle CAUTION Tip hazard Make sure that the prop stands are lowered and locked in place before disconnecting trailer Fasten the unit Secure the unit with chains If the chains are not available then substitute straps with edge protectors Do not place straps or chains over the top of the unit Inspect chains and straps for damage If damaged then discard and replace Secure the unit using appropriate tie down points on the skid e If the skid does not contain D rings and fork pockets then place chains and straps around mounting base and tie together at a common point e If the skid contains D rings and fork pockets then place chains and straps through fork pockets and D rings
13. cable The brake linings are excessively worn Check the brake linings for excessive wear replace as necessary HL Installation Operation and Maintenance Manual 47 Troubleshooting 48 Table 14 The brakes quickly become hot Possible cause Remedy The brakes are over adjusted Check the brakes readjust as necessary To adjust the brakes refer to the appropriate service manual available from your local Xylem representative The pull off strings are over stretched or damaged Check the springs for distortion and damage replace as necessary The brake cable has seized Check the brake cable attempt to release the cable If the cable remains seized then remove and replace the cable Table 15 The handbrake does not hold the trailer on a slope Possible cause Remedy The brakes are under adjusted Check the brakes readjust as necessary To adjust the brakes refer to the appropriate service manual available from your local Xylem representative The spring store has been incorrectly set Check the spring store readjust as necessary HL Installation Operation and Maintenance Manual Technical Reference Technical Reference Designations sizes and capacities Pump type Maximum Maximum Maximum Maximum Minimum Normal Maximum flow softsolids w
14. cause Remedy The mechanical seal is damaged or excessively worn Drain the coolant bath and check for any damage and excessive wear Replace as necessary HL Installation Operation and Maintenance Manual 45 Troubleshooting Troubleshooting Driver Table 6 The driver exhibits excessive power consumption Possible cause Remedy There is an obstruction in the volute orthe impeller Remove the front cover and check the volute and impeller for obstructions clear as necessary The viscosity or specific gravity of the liquid is too high Check the viscosity or the specific gravity of the liquid Compare with water If higher than water then contact your local Xylem representative Table 7 The driver does not start Possible cause Remedy The emergency stop is engaged Disengage the emergency stop Diesel engine driven units only the level of fuel is too low Check the fuel gauge and fill as needed Diesel engine driven units only the fuel filter is blocked Check the fuel filter for a blockage clean or replace as necessary Diesel engine driven units only the oil pressure is too low Check the oil level and add as needed See the engine manual for the correct oil grade and quantity Diesel engine driven units only the fuel check valve is blocked or damaged Inspect the fuel check valve for a blockage and damage clean or replace as ne
15. edges of the parts can be sharp Read all operation and maintenance manuals supplied with the pump assembly Some engine manufacturers require a break in period before the 250 hour service Refer to the engine operation and maintenance manual for the details of the break in period Daily maintenance Engine maintenance Perform the following on a daily basis before starting or operating the engine Check the engine oil level Verify that the level indication on the measuring stick is within the crosshatch pattern or at the FULL mark If the oil level is low then replenish with the correct engine oil 36 HL Installation Operation and Maintenance Manual Maintenance Refer to the engine manufacturer s manual for the correct engine oil Check the diesel fuel for the presence of water If water is detected then drain and clean the fuel tank Otherwise check the fuel level and replenish as necessary e Check the radiator coolant level Pump maintenance Check the coolant level in the mechanical seal Replenish as necessary For required mechanical seal coolant refer to Technical Reference page 49 Check the position of the volute and the discharge non return drain valves Verify that the valves are closed before operation Air compressor maintenance Check for any unusual noise or vibration Conduct a visual inspection and ensure that all guards are in place Check all pressurized components for rust cracks
16. gauge readings in a service log as a reference Engine maintenance Read the engine operation and maintenance manual for more detailed information about maintenance steps maintenance intervals and part location 38 HL Installation Operation and Maintenance Manual Maintenance 1 Shutdown the engine and remove the ground cable from the negative battery terminal 2 Drainthe engine oil and remove the old oil filter To serve as a record for the next maintenance interval write the current engine hour meter value on the new filter To drain the oil from a diesel engine that is contained within an acoustic enclosure a Disconnect the oil return pipe from the base of the air compressor b Attach the pipe to the bottom of the sump pump c Operate the pump until the engine sump is drained d Reconnectthe oil return pipe to the air compressor For the correct oil and quantity refer to the engine manufacturer s manual 3 Check for the correct engine coolant level and concentration Refill as necessary Brush away any accumulated dirt and debris from the radiator coils For the correct coolant and quantity refer to the engine manufacturer s manual 4 Toreplace the engine fuel filter drain and remove the existing filter and install a replacement Bleed the fuel system of air and prime the fuel pump 5 Inspect the engine air cleaner for excessive dirt Replace as required 6 Inspect all of the hoses wiring and connections
17. tede itr itece ill drerit ads 41 Troubleshooting 1rd ter ttt reta iab ec ii EEEE 42 Ji roubleshooting precautions ruts ie ito i d Red De ERE RR BERT de 42 Troubleshooting Pump tiet tein i reir de ELE de i cede deti pecado te 42 Troubleshooting Driver introiit id td d dts 46 Troubleshooting Trailer acte teet bio 46 Technical Referentce iii Re ete rte ande ep tete tete o nte te enden 49 Designations sizes and capacities sse tenerent 49 CoolantsancdlubFICabts nineteenth Fu teet nerd asi 49 A 059 eb aon atte eed Lore inh Ma det ns athe m Ms 51 Belt TENSION ING ib dec t etui qe E en DUE Lt VOI 52 Force and deflection method eene 52 Beltt nsioirvalue52 4 itte e me Ree ea Ne teta 52 Impellerto wear plate clearances nete e 53 2 HL Installation Operation and Maintenance Manual Introduction and Safety Introduction and Safety Introduction Purpose of this manual Safety The purpose of this manual is to provide necessary information for Installation Operation Maintenance CAUTION Read this manual carefully before installing and using the product Improper use of the product can cause personal injury and damage to property and may void the warranty NOTICE Save this manual for future reference and keep it readily available at the location of the unit WARNING The operator must be aware of safety precautions to prevent physical injury Any pressure containing device
18. to Technical Reference page 49 Locations of lubrication points X X X Figure 20 Locations on larger bearing brackets 32 HL Installation Operation and Maintenance Manual Commissioning Startup Operation and Shutdown Mechanical seal coolant All pumps are fitted with mechanical seals that require a coolant NOTICE Some pumps are not supplied with a seal coolant Seal oil must be changed at the first sign of sludging Seal failure caused by the lack of correct and sufficient coolant will void the warranty The level of coolant varies due to the operating conditions of the pump A slight loss of coolant under high suction lift conditions or slight emulsification of oil under low conditions is normal Check level of coolant in the seal housing daily For required coolants and quantities refer to Technical Reference page 49 Fill 1 and drain plug 2 locations Figure 21 Locations on smaller pumps HL Installation Operation and Maintenance Manual 33 Commissioning Startup Operation and Shutdown Figure 22 Locations on larger pumps Start the pump CAUTION Observe the pump for vibration levels bearing temperature and excessi
19. Change the oil cooler filter To replace the oil cooler filter refer to the appropriate service manual available from your local Xylem representative Inspect the float assembly and associated shaft bearings for wear and damage Replace as necessary To replace components of the float assembly or associated shaft bearings refer to the appropriate service manual available from your local Xylem representative 1000 hour maintenance Air compressor Change the air filter In harsh environments change the air filter more frequently Inspect the air compressor valves for any leakage or the build up of carbon Clean and replace as necessary e f the air compressor contains an integral oil supply then clean the oil sump strainer screen If necessary clean the oil sump To remove and clean the oil sump strainer screen refer to the air compressor manual Vacuum pump maintenance Change the vacuum pump oil For recommended vacuum pump oil refer to Technical Reference page 49 Change the exhaust smoke eliminator filter If the back pressure exceeds 3 psi above the nominal running pressure 0 5 1 0 psi the filter must be replaced regardless of elapsed time To replace the smoke eliminator filter refer to the appropriate service manual available from your local Xylem representative Gearbox maintenance If the unit contains a gearbox then perform the following tasks every 1000 hours 40 HL Installation Operation
20. Installation Operation and Maintenance Manual Think Orange Think Godwin HL godwin e a xylem brand Table of Contents Table of Contents Introduction arid Safety e etr et E a nt de n Gees tete dado 3 NEO AICA eR e D Cep DON nme E t 3 HI 3 Safety terminology and symbols 3 Environmental safety tenerent eterne erret tenete nne tenens 4 Ud A arent vem reto RR vo rio ox ees 5 Product Warranty ecce tte oH RP RR P AE A DER DE KIM 6 Transportation and Storage ue pic 7 Inspect thiet eet o eere dae Rr rt det 7 Transportation guideliles eicere oerte e re e ERE ERI ERO rettet 7 Check the trailer connection for the tow eene 7 Disconnection from the towing vehicle essere 8 Fastenthe Unites inet xe Gem a edet te IN ERE 8 IM EIQ RO 10 Sstorage guidellnes cat in te cuu LI hri LC UA 13 Short termistorage tias dali 13 Long tertmstorage sitos ete e tere ed n te e eti e et eue 13 Prod ct Description un oett rer nece tire eter er oan ease ee de LR Rx D ded Ue Reda pede 15 General descriptloD ideae ite detti e Rte il tetas e e a D D eR ia 15 California proposition 65 sse entente tenente tenen enne nnne 15 Operational specifications 1 e e ides doe f ndr edet edes 16 MEIMITIENIIM MS 16 Llame 18 PresIstallatiobh ot htec tice rcm CAL MCA tb Re DR mS mun tuns 18 Pump location guidelines rennen eene een enne nennen 18 Piping el e
21. Installation Operation and Maintenance Manual 49 Technical Reference Bearing lubricant To grease the bearings use one ofthe following Texaco Starplex EP2 Shell Nertia HV Mobil SHC 46 Total Multis Complex EP2 Belesta XPG e Valvoline NLGI 2 Bearing and Chassis Lubricant Mechanical seal coolant Table 17 Required coolant types and quantity Pump model Coolant capacity Coolant HL80M 1 0 L 0 26 US gal HL100M HL125M and HL150M 1 4 L 0 37 US gal HL110M 4 7 L 1 24 US gal HL200M 4 35 L 1 15 US gal ISO 68 Biodegradable oil HL130M HL160M HL225M and 5 5 L 1 45 US gal initial fill Top up HL250M to full mark on dipstick after one hour of operation HL260M 7 31 1 93 US gal Water and glycol mixture 50 50 Vacuum pump lubricant Gearbox lubricant 50 Table 18 Recommended vacuum pump oil Operation environment Recommended oil Ambient temperature below 0 C 32 F Amocon 32 Shell Turbo T Oil 32 Mobil SHC 524 or 525 Monolec Compressor Oil 6401 or 6402 Cheveron GST 46 Pennzbell T Oil 32 or 46 Regal Oil R amp O 32 Ambient temperature above 0 C 32 F Amocon 68 Shell Turbo T Oil 68 or 100 Mobil SHC 526 or 527 Monolec Compressor Oil 6403 or 6404 Anderol 497 Cheveron GST 68 Pennzbell T Oil 68 Regal Oil R amp O 68 To lubricate the gearbox use one of the following Mobil Mobilube HD90 Shell Spirax 90 B
22. P Gear Oil SAE90EP e Esso Gear Oll GX90 HL Installation Operation and Maintenance Manual Technical Reference Torque values Spanner torques These tables provide the recommended torque values required to tighten general purpose metric and UNC fasteners NOTICE These values are only applicable for joints that are metal to metal without gaskets Do not use these figures for fasteners such as impeller bolts that have had special figures quoted Table 19 Metric fasteners Thread Size Torque Steel Stainless steel Nuts and bolts Nuts on studs All M x 1 0 11 7 Nm 8 6 lb ft 4 6 Nm 3 4 lb ft 9 Nm 6 6 lb ft M8 x 1 25 28 Nm 21 Ib ft 11 Nm 8 Ib ft 22 Nm 16 lb ft M10x 1 5 56 Nm 41 lb ft 22 Nm 16 lb ft 44 Nm 32 lb ft M12 x 1 75 98 Nm 72 lb ft 38 Nm 28 lb ft 76 Nm 56 lb ft M16 x 2 0 244 Nm 180 lb ft 95 Nm 70 Ib ft 187 Nm 138 Ib ft M20x 2 5 476 Nm 351 Ib ft 185 Nm 136 Ib ft 364 Nm 268 Ib ft M24 x 3 0 822 Nm 606 lb ft 320 Nm 236 lb ft 629 Nm 464 Ib ft M30 x 3 5 1633 Nm 1204 lb ft 633 Nm 467 lb ft 1240 Nm 915 Ib ft These figures are for metric fasteners that meet BS3692 e Grade 8 8 for steel bolts e Grade 4 6 for steel studs e Grade 10 for steel nuts e Grade A2 for all stainless steel fasteners Table 20 UNC fasteners Thread Size Torque Steel Stainless steel Nuts and bolts Nuts on studs A
23. al seal To replace the mechanical seal refer to the appropriate service manual available from your local Xylem representative Compressor units only the ejector jet or the nozzle is blocked or damaged Refer to the attached ejector package drawing for part descriptions and locations Check the ejector jet and nozzle for any blockage and damage clear any blockage and replace any damaged parts Compressor units only the ejector non return valve ball is stuck Refer to the attached ejector package drawing for part descriptions and locations Check the ejector non return valve ball and seat for any blockage or damage Clear any blockage and replace any damaged parts Compressor units only compressor pipe leaks air Check the compressor pipe for leaks Replace as necessary Compressor units only compressor does not deliver enough air Check all other possible causes If the issue persists then contact your local Xylem representative for product support The compressor or the vacuum pump drive belt is faulty Check the belt for excessive wear or damage Replace as necessary To replace the drive belt refer to the appropriate service manual available from your local Xylem representative The speed of the driver is incorrect Compare the driver speed with the driver speed given on the pump curve Adjust the driver to the correct speed Do not operate the pump outside of the limits that are g
24. all possible causes for the fault If the issue persists then contact your local Xylem representative See Verify general operation page 19 The suction lift is too great Check the vertical distance to the source If greater than 8 5 m 28 ft then move the pump closer to the source There is insufficient liquid at the suction inlet Check the amount of liquid at the source If the source has been drained then move the pump to a new liquid source The suction inlet or the strainer is blocked Check the inlet or the strainer for any blockage clean as necessary The separation tank filter is blocked Refer to the attached hydraulic end drawing for part descriptions and locations The suction line is not air tight Check the separation tank filter for any blockage clean as necessary Check for leaks along the suction line Tighten the joints between sections of piping and replace any damaged piping The suction pipe has collapsed Check the suction line for collapsed points If the pipe has collapsed then contact your local Xylem representative for product support Do not run the pump The mechanical seal draws air into the pump Check for a continuous drop in the level of mechanical seal coolant If the level continually drops then replace the mechanical seal To replace the mechanical seal refer to the appropriate service manual available from your local Xylem representative
25. and Maintenance Manual Maintenance 1 Drainthe oil from the gearbox 2 Refill with the correct oil For recommended gearbox oils refer to Technical Reference page 49 2000 hour maintenance Air compressor If the unit contains an air compressor with an integral oil supply then perform the following tasks Check the pressure switch diaphragm and the contacts for any damage or excessive wear Replace or repair as necessary Check the contact points in the motor and the starter for any damage or excessive wear Replace or repair as necessary 5000 hour maintenance Pump maintenance Inspect the mechanical seal for excessive wear and damage Replace as necessary To replace the mechanical seal refer to the appropriate service manual available from your local Xylem representative Inspect the bearings for excessive wear and damage Replace as necessary To replace the bearings refer to the appropriate service manual available from your local Xylem representative Check the clearances between the impeller and the front and rear wear plates If the correct clearances cannot be achieved then check the parts for wear and damage Replace as necessary For the required clearances refer to Impeller to wear plate clearances page 53 To check the clearance between the impeller and the wear plates refer to the appropriate service manual available from your local Xylem representative Inspect the shaft and the relate
26. and the oil filter Service the air cleaner Drain the fuel tank and add an inhibitor d Addan inhibitor to the crank case Disconnect the air intake f Disconnect and remove the battery g Remove the belts h Coat all machined surfaces on the engine with a rust inhibitor Treat bearings and machined surfaces on the unit so that they are well preserved 14 HL Installation Operation and Maintenance Manual Product Description Product Description General description Materials The pump is made of a combination of the following materials e ron Steel Stainless steel Aluminium Pump drive mounting method The pump has three different methods to mount it to its driver Close coupled Long coupled shaft to shaft SAE for engine driven pumps Main parts This table describes the main parts of the pump Part Description Pump impeller An open impeller that is mounted to a shaft with one of the following methods e Threaded to the shaft and secured with a screw and a washer e A spline and secured with a screw and an impeller washer Pump casing The pump casing is known as a volute equipped with replaceable wear plates Driver The pump is driven by one of the following Diesel engine Electric motor Base The unit is mounted to one of the following e Skidbase Highway trailer Acoustic enclosure e Site trolley Suction and discharge connections The suction si
27. around the engine Correct as required 7 Checkthe tension and the condition of the engine fan belt Adjust or replace as necessary For the correct tension of the fan belt refer to the engine manual 8 Ensure that the fuel cap is secured tightly and all of the mounting bolts are tightly fastened 9 Ifthe unit contains a lead acid battery then check the battery electrolyte level Replenish to the correct level The correct level is marked on the battery itself Motor maintenance 1 Verify that the motor is powered off and all power sources are removed 2 Checkthat the interior and exterior of the motor is free of dirt oil grease water and other matter Oily vapor paper pulp textile lint and other debris accumulate then block the motor ventilation If the motor is not properly ventilated then overheating occurs and causes early failure 3 Measure the motor winding insulation resistance of each phase with a mega ohm meter Record the readings on a service log Compare the readings of each phase If the readings are markedly different then contact your local Xylem representative 4 Ensure that all are electrical connectors are in place and secured 5 Record the serviced items and operation hours in a service log Air compressor maintenance Inspect the compressor oil lines air lines and other connections Examine the compressor air filter for excessive dirt Replace the filter as required e f the compressor i
28. ary the capacity with the regulating valve in the discharge line Never throttle the flow from the suction side This action can result in decreased performance unexpected heat generation and equipment damage Net positive suction head available NPSHA must always exceed NPSH required NPSHg as shown on the published performance curve of the pump Suction piping checks Check Explanation comment Checked Check that the distance between the inlet flange of the pump and the closest elbow is at least four pipe diameters This minimizes the risk of cavitation in the suction inlet of the pump due to turbulence Check that elbows in general do not have sharp bends 20 HL Installation Operation and Maintenance Manual Installation Liquid source below the pump Liquid source above the pump Discharge piping checklist Checklist HL Installation Operation and Maintenance Manual Check Explanation comment Checked Check that the eccentric reducer at the suction flange of the pump has the following properties Sloping side down Horizontal side at the top If suction strainers or suction bells are used check that they are at Suction strainers help to prevent least three times the area ofthe suction piping dogging If more than one pump operates from the same liquid source check This recommendation he
29. cally This follows the plant operating procedures Alignment measurement guidelines Attach the dial in on and Maintenance Manual HL Installation Operati Guideline Explanation driver coupling half Rotate the pump coupling half and the driver coupling half together so thatthe indicator rods have contact with the same points on the This prevents incorrect measurement Move or shim only the driver in order to make adjustments This prevents strain on the piping installations you take indicator measurements you make alignment corrections Make sure that the hold down bolts for the driver feet are tight when Make sure that the hold down bolts for the driver feet are loose before This keeps the driver stationary since movement causes incorrect measurement This makes it possible to move the driver when you make alignment corrections Check the alignment again after any mechanical adjustments This corrects any misalignments that an adjustment may have caused dicators for alignment You must have two dial indicators in order to complete this procedure 1 Attach two dial indicators on the pump coupling half X a Attach one indicator P so that the indicator rod comes into contact with the perimeter of the driver coupling half Y 27 Installation This indicator is used to measure parallel misalignment b Attach the other indicator A so that the indicator ro
30. can explode rupture or discharge its contents if it is over pressurized Take all necessary measures to avoid over pressurization Operating installing or maintaining the unit in any way that is not covered in this manual could cause death serious personal injury or damage to the equipment This includes any modification to the equipment or use of parts not provided by Xylem If there is a question regarding the intended use of the equipment please contact a Xylem representative before proceeding Do not change the service application without the approval of an authorized Xylem representative CAUTION You must observe the instructions contained in this manual Failure to do so could result in physical injury damage or delays 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 problems Damage to the product Product malfunction HL Installation Operation and Maintenance Manual 3 Introduction and Safety Hazard levels Hazard categories Hazard level Indication DANGER A hazardous situation which if not avoided will result in death or serious injury WARNING A hazardous situation which if not avoided could result in death or serious injury CAUTION A hazardous situation whi
31. ce Pump maintenance 1 Verify that the pump is powered off and all power is removed from the driver If the driver is a diesel engine then verify that the ground cable is removed from the negative battery terminal 2 Drain any product from the pump by opening the volute and discharge non return drain valves Drain fluids back into the source or into a spill container to be properly discarded 3 Disconnect the pump from the suction and the discharge piping 4 Inspect the pump and remove all dirt and debris Visually inspect the volute from the suction flange for any obstructions and remove as needed 5 Disconnect the ejector assembly and inspect for wear and the conditions of the O rings and the nozzle Remove the housing and check the condition of the ball seat and screen Clean the screen of any dirt or debris 6 Remove the discharge non return valve inspection cover Check the condition of the valve ball seat and O ring seal Replace the damaged parts as required 7 Charge the bearing bracket with grease For greasing locations refer to Bearing lubrication page 31 8 Connect power to the driver If the driver is a diesel engine then connect the ground cable to the negative battery terminal 9 Record the serviced items and operation hours in a service log When all of the maintenance is completed start the pump and perform a vacuum test as described in Verify general operation page 19 section Record the vacuum
32. cessary Diesel engine driven units only the battery cables are disconnected Check the battery cable connections reconnect if necessary Diesel engine driven units only there is water in the fuel Test the fuel for water If water is present then drain the tank and refill Troubleshooting Trailer Table 8 Braking is one sided Possible cause The brakes are adjusted unevenly Remedy Check the brakes To even the braking adjust the appropriate brake or brakes To adjust the brakes refer to the appropriate service manual available from your local Xylem representative The brake cable has seized Check the brake cable attempt to release the cable If the cable remains seized then remove and replace the cable The brake lining is contaminated with grease Check the brake lining If the brake lining is contaminated then replace the lining Table 9 Braking occurs during mild deceleration Possible cause Remedy The coupling damper is weak or ineffective To check the coupling damper for weakness or ineffectiveness by hand pull the coupling out and then push it in If the coupling slides back with little to no resistance then replace the coupling damper If the coupling exhibits some resistance to the motion then check other possible causes The brakes have been over adjusted Check the brakes readjust as necessary To adjust the brakes
33. ch if not avoided could result in minor or moderate injury NOTICE A potential situation which if not avoided could result in undesirable conditions A practice not related to personal injury Hazard categories can either fall under hazard levels or let specific symbols replace the ordinary hazard level symbols Electrical hazards are indicated by the following specific symbol Electrical Hazard These are examples of other categories that can occur They fall under the ordinary hazard levels and may use complementing symbols Crush hazard Cutting hazard Arc flash hazard Environmental safety The work area Always keep the station clean Waste and emissions regulations Observe these safety regulations regarding waste and emissions Appropriately dispose of all waste Handle and dispose of the processed liquid in compliance with applicable environmental regulations Clean up all spills in accordance with safety and environmental procedures Report all environmental emissions to the appropriate authorities WARNING Radiation Hazard Do NOT send the product to Xylem if it has been exposed to any nuclear radiation Electrical installation For electrical installation recycling requirements consult your local electric utility HL Installation Operation and Maintenance Manual Introduction and Safety Recycling guidelines Always follow local laws and regulations regarding recyc
34. d between brake lining and shoe Check the brake cable attempt to release the cable If the cable remains seized then remove and replace the cable The brake drum is distorted or cracked Check each brake drum for distortion and damage Replace as necessary The brake drums have rusty patches on the braking surface Check each brake drum for patches of rust Remove the patches of rust with abrasive paper and clean the brake drum Table 12 The trailer brakes lock up when reversing Possible cause Remedy The brakes are over adjusted Check the brakes readjust as necessary To adjust the brakes refer to the appropriate service manual available from your local Xylem representative Incompatibility between the coupling and the brakes Check the other possible causes If the problem persists then contact your local Xylem representative Table 13 The trailer brakes are inoperative Possible cause Remedy The brakes are under adjusted Check the brakes readjust as necessary To adjust the brakes refer to the appropriate service manual available from your local Xylem representative The brake lining is contaminated with grease Check the brake lining If the brake lining is contaminated then replace the lining The brake cable has seized Check the brake cable attempt to release the cable If the cable remains seized then remove and replace the
35. d comes into contact with the inner end of the driver coupling half This indicator is used to measure angular misalignment P 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 Pump to driver alignment instructions Perform parallel alignment for a horizontal correction Before you start this procedure make sure that the dial indicators are properly attached for measurement A unit is in parallel alignment when the parallel indicator P does not vary by more than the values given on the included coupling drawing as measured at four points 90 apart at the operating temperature 1 Setthe parallel alignment indicator P to zero on the 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 Reading value Driver coupling half Y placement Negative To the left of the pump coupling half X Positive 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 angular correction 28 HL Installation Operation and Maintenance Manual Installation Figu
36. d is greater than expected The pumped fluid exceeds the rated flow rate Make sure to operate the pump at or near the rated conditions Failure to do so can result in pump damage from cavitation or recirculation Never operate a pump without a properly installed coupling guard Personal injury will occur if you run the pump without a coupling guard Burn hazard During operation various surfaces on the unit will become hot To avoid burn injury use heat protective gloves Operation at reduced capacity WARNING Never operate any pumping system with a blocked suction and discharge Operation even for a brief period under these conditions can cause confined pumped fluid to overheat which results in a violent explosion You must take all necessary measures to avoid this condition NOTICE Avoid increased radial load Failure to do so can cause stress on the shaft and bearings Avoid heat build up Failure to do so can cause rotating parts to score or seize Avoid cavitation Failure to do so can cause damage to the internal surfaces of the pump Operation under freezing conditions NOTICE Do not expose an idle pump to freezing conditions Drain all liquid that is inside the pump and connected pipes Failure to do so can cause liquid to freeze and damage the pump Shut down the pump 1 Slowly run the driver down to stop 2 Shut down and lock the driver to prevent accidental rotation HL Installation Operati
37. d seals for wear and damage Replace as necessary To replace the shaft and the related seals refer to the appropriate service manual available from your local Xylem representative HL Installation Operation and Maintenance Manual 41 Troubleshooting Troubleshooting Troubleshooting precautions DANGER Electrical hazard sufficient to kill Always disconnect and lock out the power before you service the unit WARNING e Pressurized device Make sure that the internal pressure is relieved before you continue Compressed Gas Hazard Never apply a pressure to any cavity or chamber in the product to test for leakage Pressurized air may cause parts to be propelled with force Overpressurization can cause structural failure Make sure that the pump is isolated from the system and that pressure is relieved before you disassemble the pump remove plugs open vent or drain valves or disconnect the piping Maintenance and service must be performed by skilled and qualified personnel only CAUTION Allow all system and pump components to cool before you handle them to prevent physical injury Read all operation and maintenance manuals supplied with the unit Troubleshooting Pump 42 Table 1 Pump does not prime Possible cause Remedy The pump does not create a vacuum Perform a vacuum pad test If no vacuum is present then check all possible causes for the fault If an issue persists then contact your loca
38. de and discharge side ofthe pump have different kinds of connections depending on the size ofthe pump The smaller connection sizes are threaded onto the pump The larger connection sizes are flange mounted California proposition 65 WARNING California Proposition 65 warning This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm HL Installation Operation and Maintenance Manual 15 Product Description Operational specifications Liquid characteristics This table describes the liquid characteristics of the pump Parameter Value Maximum liquid temperature 80 C 176 F Consult your local Xylem representative for operation that exceeds this temperature Pressure solids handling and head This table specifies the working and suction pressures soft solids handling and head of each pump model Model Maximum pressure Maximum suction pressure Maximum soft solids handling HL80M 9 2 bar 133 psi 6 0 bar 87 psi 25 mm 1 0 in HL100M 11 4 bar 165 psi 6 0 bar 87 psi 35 mm 1 4 in HL110M 18 3 bar 265 psi 6 0 bar 87 psi 20 mm 0 8 in HL125M 13 5 bar 196 psi 6 0 bar 87 psi 35 mm 1 4 in HL130M 18 8 bar 273 psi 6 0 bar 87 psi 22 mm 0 9 in HL150M 15 1 bar 219 psi 6 0 bar 87 psi 35 mm 1 4 in HL160M 18 5 bar 268 psi 6 0 bar 87 psi 35 mm 1 4 in HL200M 11 6 bar 168 p
39. e of the pump Failure to do so can cause the system to rupture with the risk of injury Check Explanation comment Checked Check that all piping is supported This helps to prevent independently of and lined up e Strain on the pump naturally with the pump connection Misalignment between the pump and the drive unit Wear on the pump bearings seal and shafting See Example section for illustrations of pipe supports Check that only necessary fittings are This helps to minimize friction losses used HL Installation Operation and Maintenance Manual 19 Installation Check Explanation comment Checked and fittings are airtight occur during operation Make sure that all the piping joints This prevents air from entering the piping system or leaks that make sure that the piping allows you to flush out the liquid before you remove the pump Ifthe pump handles corrosive fluids This protects the employees and operators elevated temperatures make sure ofthe piping that the expansion loops and joints are properly installed Ifthe pump handles liquids at This helps to prevent misalignment due to thermal expansion Ifthe pump handles corrosive liquids make sure that the piping is correctly rated for the application Example Pipe supports x4 JS de p q Sp q mo ES Suction piping checklist Performance curve reference CAUTION V
40. e pump unit The location and size of the anchor bolt holes are shown on the outline assembly drawing for the pump unit Each bolt must be installed with a pipe sleeve around it for adjustment The inside sleeve diameter must be 2 5 to 3 times the diameter of the bolt The bolt must be held in position during the installation process The area between the bolt and sleeve must be free of concrete The anchor bolt must be long enough to project through the nut 0 25 in or 6 4 mm after allowance has been made for Grout Height of the jack bolts e Skid Anchor bolt nut HL Installation Operation and Maintenance Manual 23 Installation em RomN Vent hole plug Air release vent Jack bolt Nut welded to the top of the skid Pad Anchor bolt Figure 15 Installation of the anchor bolts Place the skid 6 7 Use jack bolts to level skid base across the motor mounting location and pump base mounting location Mounting surfaces elevations should be within 1 16 as measured across the diagonals Replace the motor on the base plate of the skid so that the motor mounting holes are centered on the base plate motor mount holes Adjust the jack bolts on the skid base till the suction flange is plumb with the horizon Place the pump on the skid base with 0 075 of shims under all six mounting holes Align the mo
41. efuel the engine while it is running Always wipe up spilled fuel and oil before operating the unit Drain oil and moisture residue daily or after each use from the air receiver located on the compressor Always inspect the conductors on electric motors before operation The unit and all components must be properly maintained Do not smoke while refilling the engine Do not refill an engine near open flames or sparks NOTICE Verify the driver settings before you start any pump You must follow these precautions before you start the pump Familiarize yourself with the controls of the driver Flush and clear the system thoroughly to remove dirt or debris in the pipe system in order to prevent premature failure at initial startup Check all fluid levels Operate the unit with the system condition of flooded suction Operation of a pump with the liquid source located above the pump is known as Flooded Suction To operate this pump with the system condition of flooded suction you must follow these steps 30 HL Installation Operation and Maintenance Manual Commissioning Startup Operation and Shutdown WARNING Always disconnect and lock out power to the driver before you perform any installation or maintenance tasks Failure to disconnect and lock out driver power will result in serious physical injury 1 2 3 Bearing lubrication Isolate the driver and ensure that the unit cannot be started Disco
42. excess where needed and allow epoxy grout to stand until firm c Pour until the top flange is covered d Trowel off excess where needed and allow epoxy grout to stand until firm HL Installation Operation and Maintenance Manual 25 Installation 1 Bottom flange 2 Topflange 3 Concrete Figure 17 Grout locations The temporary form work may be removed after the epoxy grout has adequately cured approximately 24 hrs or per the manufacturer s instructions The base plate should remain supported by the jack bolts for at least 48 hours The jack bolts can then be removed and the anchor bolts tightened to full strength Pump to driver alignment Precautions WARNING Follow shaft alignment procedures in order to prevent catastrophic failure of drive components or unintended contact of rotating parts Follow the coupling installation and operation procedures from the coupling manufacturer Always disconnect and lock out power to the driver before you perform any installation or maintenance tasks Failure to disconnect and lock out driver power will result in serious physical injury NOTICE Proper alignment is the responsibility of the installer and the user of the unit Check the pump to driver alignment before you operate the unit Failure to do so can result in equipment damage or decreased performance Alignment checks When to perform alignment checks You must perform alignment checks under these circumstances
43. front and rear wear plates Pump model HL80M HL100M HL110M HL125M HL130M HL150M HL160M HL200M HL225M HL250M HL260M Clearance between the impellerand Clearance between the impeller and the front wear plate the rear wear plate e Cast iron cast steel or hard iron wear plate and impeller 0 500 mm to 0 625 mm 0 020 in to 0 025 in Stainless steel wear plate and impeller 0 625 mm to 0 762 mm 0 025 into 0 030 in HL Installation Operation and Maintenance Manual 53 Xylem zilem 1 The tissue in plants that brings water upward from the roots 2 A leading global water technology company We re 12 000 people unified in a common purpose creating innovative solutions to meet our world s water needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation For more information on how Xylem can help you go to xyleminc com X lem Dewaterin Solutions Visit our Web site for the latest version of this document y g and more inf
44. ion the vacuum pad on the pump suction flange Make sure the pad gasket seats firmly around the edge 4 Raise the driver speed to the normal operating speed See Designations sizes and capacities page 49 for operating speeds 5 Record the reading on the vacuum pad gauge Verify that the gauge reads 20 25 in of mercury 0 70 0 75 bar If not then begin to troubleshoot the unit 7 Torelease the vacuum pad open the drain valves Check the application Review the system curve information and ensure that the correct pipe size was chosen Ensure that the suction and discharge requirements for the application have not changed For example The application was originally specified as a suction lift and horizontal open discharge but now is a flooded suction horizontal open discharge Piping checklists General piping checklist Precautions Checklist CAUTION Never draw piping into place by using force at the flanged connections of the pump This can impose dangerous strains on the unit and cause misalignment between the pump and driver Pipe strain adversely affects the operation of the pump which results in physical injury and damage to the equipment Vary the capacity with the regulating valve in the discharge line Never throttle the flow from the suction side This action can result in decreased performance unexpected heat generation and equipment damage Use pipes suited to the maximum working pressur
45. ith soap and water for at least 1 minute Seek medical attention if necessary 1 2 3 Chemicals or hazardous fluids on 1 Remove contaminated clothing 2 3 Hazardous liquids The product is designed for use in liquids that can be hazardous to your health Observe these rules when you work with the product e Make sure that all personnel who work with biologically hazardous liquids are vaccinated against diseases to which they may be exposed e Observe strict personal cleanliness HL Installation Operation and Maintenance Manual 5 Introduction and Safety Product warranty Coverage Limitations Warranty claim Xylem undertakes to remedy defects in products from Xylem under these conditions The faults are due to defects in design materials or workmanship The faults are reported to a local sales and service representative within the warranty period The product is used only under the conditions that are described in this manual The monitoring equipment that is incorporated in the product is correctly connected and in use All service and repair work that is done by Xylem authorized personnel Genuine Xylem parts are used Only Ex approved spare parts and accessories that are authorized by an Ex approved Xylem representative are used in Ex approved products The warranty does not cover defects that are caused by these situations Deficient maintenance Improper installation
46. iven in Designations sizes and capacities page 49 Table 2 Insufficient liquid is delivered Possible cause Remedy The pump does not create a vacuum Perform a vacuum pad test If no vacuum is present then check all possible causes for the fault If the issue persists then contact your local Xylem representative See Verify general operation page 19 The suction lift is too great Check the vertical distance to the source If greater than 8 5 m 28 ft then move the pump closer to the source The suction inlet or the strainer is blocked Check the inlet or the strainer for any blockage clean as necessary The separation tank filter is blocked Refer to the attached hydraulic end drawing for part descriptions and locations Check the separation tank filter for any blockage clean as necessary The suction line is not air tight Check for leaks along the suction line Tighten the joints between sections of piping and replace any damaged piping The suction pipe has collapsed Check the suction line for collapsed points If the pipe has collapsed then contact your local Xylem representative for product support Do not run the pump HL Installation Operation and Maintenance Manual 43 Troubleshooting 44 Possible cause Remedy The mechanical seal draws air into the pump Check for a continuous drop in the level of mechanical seal coolant
47. l Xylem representative See Verify general operation page 19 The suction lift is too great Check the vertical distance to the source If greater than 8 5 m 28 ft then move the pump closer to the source There is insufficient liquid at the suction inlet Check the amount of liquid at the source If the source has been drained then move the pump to a new liquid source The suction inlet or the strainer is blocked Check the inlet or the strainer for any blockage clean as necessary The separation tank filter is blocked Check the separation tank filter for any blockage clean as Refer to the attached hydraulic end drawing for part necessary descriptions and locations The suction line is not air tight Check for leaks along the suction line Tighten the joints between sections of piping and replace any damaged piping The suction pipe has collapsed Check the suction line for collapsed points If the pipe has collapsed then contact your local Xylem representative for product support Do not run the pump HL Installation Operation and Maintenance Manual Troubleshooting Possible cause Remedy The non return valve does not seat Check for any blockage or damage Clear any blockage and replace any damaged parts The mechanical seal draws air into the pump Check for a continuous drop in the level of mechanical seal coolant If the level continually drops then replace the mechanic
48. ling User safety General safety rules These safety rules apply Always keep the work area clean Pay attention to the risks presented by gas and vapors in the work area Avoid all electrical dangers Pay attention to the risks of electric shock or arc flash hazards Always bear in mind the risk of drowning electrical accidents and burn injuries Safety equipment Use safety equipment according to the company regulations Use this safety equipment within the work area Hard hat e Safety goggles preferably with side shields Protective shoes Protective gloves Gas mask Hearing protection First aid kit Safety devices NOTICE Never operate a unit unless safety devices are installed Also see specific information about safety devices in other chapters of this manual Electrical connections Electrical connections must be made by certified electricians in compliance with all international national state and local regulations For more information about requirements see sections dealing specifically with electrical connections Wash the skin and eyes Follow these procedures for chemicals or hazardous fluids that have come into contact with your eyes or your skin Condition Action Chemicals or hazardous fluids in eyes Hold your eyelids apart forcibly with your fingers Rinse the eyes with eyewash or running water for at least 15 minutes Seek medical attention skin Wash the skin w
49. ll 1 4 20 13 5 Nm 10 lb ft 5 4 Nm 4 lb ft 10 5 Nm 7 7 lb ft 5 16 18 27 1 Nm 20 Ib ft 10 5 Nm 7 7 lb ft 21 0 Nm 15 5 Ib ft 3 8 16 48 8 Nm 36 lb ft 20 Nm 14 8 lb ft 37 8 Nm 27 9 Ib ft 7 16 14 74 6 Nm 55 lb ft 30 Nm 22 1 lb ft 57 8 Nm 42 6 Ib ft 1 2 13 122 Nm 90 Ib ft 48 Nm 35 4 lb ft 94 6 Nm 69 8 Ib ft 5 8 11 273 3 Nm 201 5 lb ft 95 Nm 70 1 lb ft 183 9 Nm 135 6 lb ft 3 4 10 420 4 Nm 310 lb ft 167 Nm 123 2 lb ft 325 8 Nm 240 3 lb ft 718 9 664 4 Nm 490 lb ft 266 Nm 196 2 lb ft 514 9 Nm 379 8 lb ft 1 8 1003 Nm 740 Ib ft 401 Nm 295 8 lb ft 777 3 Nm 573 3 b ft These figures are for UNC fasteners that meet BS1768 e Grade S for steel bolts and studs e Grade 3 for steel nuts e Grade A2 for all stainless steel fasteners HL Installation Operation and Maintenance Manual Technical Reference Table 21 Correction factors If the fasteners are of a dissimilar condition to the fasteners previously mentioned then multiply by the appropriate correction factor Belt tensioning Plating condition of the nut Plating condition of the bolt Black Zinc Black 1 0 0 9 Zinc 0 9 0 8 The pulley center distance A controls the tension of the belt Force and deflection method 1 Apply the correct force F at the middle of the span of the belt Ensure that the force is applied evenly across the width of the belt and at a right angle to the belt
50. losed systems unless the system is constructed with properly sized safety devices and control devices Acceptable devices Pressure relief valves e Pressure controls Temperature controls e Flow controls If the system does not include these devices consult the engineer or architect in charge before you operate the pump Take into consideration the occurrence of unwanted noise and vibration Make sure that the pump location is on solid level ground This ensures that the pump remains stable and balanced while in operation Ensure that the following fluids are atthe correct levels before starting the pump Engine oil Engine coolant Pump mechanical seal coolant Compressor oil if not connected to Engine fuel Gearbox oil a diesel engine Refer to component specific manuals for location of level indicators and the required fluids HL Installation Operation and Maintenance Manual Installation Verify general operation WARNING Compressed Gas Hazard Never apply a pressure to any cavity or chamber in the product to test for leakage Pressurized air may cause parts to be propelled with force Overpressurization can cause structural failure To verify general operation before installing the equipment pull vacuum with a vacuum pad 1 Close the drain valve on the volute and the discharge non return valve 2 Startthe driver and allow it to warm up while idling 3 Posit
51. lps you to that separate suction piping lines are used for each pump achieve a higher pump performance If necessary make sure that the suction piping includes a drain valve and that it is correctly installed Check Explanation comment Checked Make sure that the suction piping is free from air pockets This helps to prevent the occurrence of air and cavitation in the pump inlet Check that the suction piping slopes upwards from the liquid source to the pump inlet Check that all joints are air tight Check Explanation comment Checked Check that an isolation valve is installed in the This permits you to close the line during pump suction piping ata distance of at least two times the inspection and maintenance pipe diameter from the suction inlet 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 This helps to prevent the occurrence of air and pockets cavitation in the pump inlet Check that the piping is level or slopes downward from the liquid source Make sure that the size of the entrance from the supply is one or two sizes larger than the suction pipe Make sure that the suction piping is adequately This prevents air from entering the pump through a submerged below the surface of the liquid source suction vortex Check Explanation comment Checked
52. mage or excessive wear replace as necessary Check the line for leaks or blockage replace damaged pipe and clear any blockage The speed of the driver is incorrect Compare the driver speed with the driver speed given on the pump curve Adjust the driver to the correct speed Do not operate the pump outside of the limits that are given in Designations sizes and capacities page 49 The pump exhibits cavitation Ifthe pump sounds like it is pumping rocks then ensure that the pump operates within the recommended limits If the issue persists then contact your local Xylem representative for product support The pump does not operate at the best efficiency point Check the vacuum and pressure gauges Compare the readouts with the applicable pump curve To operate the pump at the best efficiency point adjust the speed of the engine or the diameter ofthe lines For further information contact your local Xylem representative The base is not properly secured Check the mounting bolts tighten as necessary The pump and driver are misaligned Check the alignment of the pump to the driver If the coupling is misaligned then align the pump to the driver See Pump to driver alignment instructions page 28 The coupling is damaged or excessively worn Check the coupling for any damage and excessive wear replace as necessary Table 5 The mechanical seal coolant is emulsified Possible
53. nce with any local and national guidelines or statutes The following figures show examples of lifting the pump without being attached to the driver or base HL Installation Operation and Maintenance Manual 11 Transportation and Storage Figure 10 Lift a motor adaptor unit O I O IS O o O i O o lo o O o O o 9 O 9 o o Figure 11 Lift a bearing bracket unit Lift the unit using a forklift Lift the pump from either side with the forklift 12 HL Installation Operation and Maintenance Manual Transportation and Storage 1 Check that the site where the pump is placed has a clean and level surface Stones and other debris damage the bottom structure of the pump 2 Ifthe pump was secured to a pallet flatbed or other surface then cut the transportation straps Align the forklift prongs with the forklift holes in the bottom of the pump base Insert the forklift prongs into the forklift holes Lift the pump and move it to its new position M ME Place the pump upright on a rigid horizontal surface so that it cannot fall over Q pe ut ES zu E m
54. nd its remaining pumped liquid When a crane is used the minimum height between the lifting hook and the ground must be sufficient to lift the pump straight up and down Lift the unit using a crane 1 Check that the site where the unit is placed has a clean and level surface Stones and other debris damage the bottom structure of the unit If the unit was secured to a pallet flatbed or other surface then cut the transportation straps If the unit has a single lift point then connect the crane hook directly to the lift bail or use a shackle If the unit is an enclosure then only lift from the single point lifting bail and not from any installed eye bolts If the unit has multiple lifting points then fasten a suitable lifting strap or sling to the available lifting bolts To reduce damage to the engine and the pump components use a spreader bar Lift the unit using the proper lifting equipment Place the unit on firm level ground HL Installation Operation and Maintenance Manual Transportation and Storage Figure 7 Single lift point skid Figure 8 Multiple lift point skid CJ 0 Figure 9 Single point enclosure Lift the pump using a crane Use only lifting equipment of suitable capacity for the size and weight of the lifted equipment The equipment must always be lifted using safe working practices and in accorda
55. nne treten re tennas 36 Daily maihitenance ite ies 36 Engin amp malhiteriance s aeter B ee eere ue Ee e d eria dn 36 PUMP MAINTENANCE ista eee a entere t re eh ino HC aves e desea 37 Air compressor malhtenahce d i tle ed dad ea ute edil il et tee S 37 Vacuum pummp mainternanc eio ea eee ede a de a a a 37 Gearbox rmialntenante x di ERE Uu de t oe B Sa e Ue e Dag d P dete 37 Ejector silencer maintenance sse renes 37 Towing maintenance cem esee ASA e nd e dert is 37 After the first 100 du iii dai 38 Air compressor maintenance ie eiae er Ped e NO eo iaa Pea dee chapter di 38 250 hour maintenance ise Eget ederet deret HERE erred beg i Ede Cede 38 P rp nmaintenmahice s t dote ed Sct e Tee ten oe epo cet a a ette rate te Halle ibe eoe e rd 38 Engine maintenance eie a E tee hd a a t dar 38 Motorimatntenance 3d cu reo iet dart Pa tie de di RR o 39 Air compressor Maitena COn eet preti de UAE FRE ded DH e a Mis da ERREUR 39 Vacuum pump AAA riae ee Edna ibd d d deed 39 500 hour maintenance ie A 40 A E A A OT 40 Vacuum pump mainternance er ei ise ra Was deidad aii 40 NOOO OUP malnterance cie tl de it 40 Air ComptessO r ince neret rh eh e E a DR A TE A 40 Vacuum pump rainterantce ice Bait ge Bee RR REN 40 Gearbox Maintenance inicia id is 40 2000 hour maintenance AS Eee A AS AA A 41 Air Comptessor ee oe i at as 41 5000 hour maintenangce s s nati ted Pria teet re ag de ee Ren eee 41 P rnp matintenan e ceciip
56. nnect the air line from the priming tower Select the following step depending on a compressor unit or vacuum pump unit Compressor units disconnect the compressor belt drive Vacuum pump units disconnect the vacuum belt drive Select the following step depending on a compressor unit or vacuum pump unit Compressor units remove the complete ejector housing and replace with a plain blanking plate Vacuum pump units remove the complete priming tower and replace with a plain blanking plate Blanking plates are available from your local Xylem representative Ensure that the blanking plate has a leak free seal to the pump Remove the means of isolation from the driver To start the pump with the system condition of flooded suction a Close the inlet valve b Start the driver c Open the inlet valve To stop the pump with the system condition of flooded suction a Stop the driver b Close the inlet valve Example disconnection of a compressor Example disconnection of a vacuum pump WARNING Make sure to properly lubricate the bearings Failure to do so can result in excess heat generation sparks and premature failure HL Installation Operation and Maintenance Manual 31 Commissioning Startup Operation and Shutdown NOTICE Be certain to check the greasing on a pump that has been out of service for a long period of time and re grease if necessary For recommended lubricants refer
57. on and Maintenance Manual 35 Maintenance Maintenance Routine maintenance precautions DANGER Electrical hazard sufficient to kill Always disconnect and lock out the power before you service the unit WARNING Fire hazard Overloaded electrical circuits can cause components to overheat Make sure to use appropriate circuit protection WARNING e Pressurized device Make sure that the internal pressure is relieved before you continue Compressed Gas Hazard Never apply a pressure to any cavity or chamber in the product to test for leakage Pressurized air may cause parts to be propelled with force Overpressurization can cause structural failure Make sure that the pump is isolated from the system and that pressure is relieved before you disassemble the pump remove plugs open vent or drain valves or disconnect the piping Maintenance and service must be performed by skilled and qualified personnel only Always disconnect and lock out power to the driver before you perform any installation or maintenance tasks Failure to disconnect and lock out driver power will result in serious physical injury Do not smoke while refilling the engine Do not refill an engine near open flames or sparks CAUTION Allow all system and pump components to cool before you handle them to prevent physical injury A worn pump can have components that have very sharp edges Wear protective gloves Wear protective clothing The
58. or leaks Check for lubricant leaks Check for the correct actuation of the pressure relief valve on the compressor Verify that the valve easily springs back into the original position when released For air compressors utilizing an integral oil sump a Maintain the oil level between the high and low marks on the dipstick b Check the oil for any contamination If contaminated then drain and refill the compressor with an appropriate oil For recommended air compressor oil refer to Technical Reference page 49 If any problems are discovered then discontinue use of the equipment and consult your local Xylem representative Vacuum pump maintenance Check the oil level Check for the feed of oil through the sight glass Drain the moisture trap Gearbox maintenance If the unit contains a gearbox then perform the following on a daily basis before starting the unit Check the gearbox oil level Replenish the oil as necessary For recommended gearbox oil refer to Technical Reference page 49 Ejector silencer maintenance If the unit is fitted with an ejector silencer then perform the following task on a daily basis Check the ejector silencer tank for the build up of sediment and clean as necessary Refer to the attached ejector silencer drawing for part descriptions and locations Towing maintenance If the pump assembly is mounted on a trailer then perform the following tasks before transporting the as
59. orking pressure speed rpm speed rpm speed rpm handling temperature HL80M 101 m3 hr 25 mm 1 0 80 C 176 9 2 bar 133 1400 1800 2400 450 US in F psi gpm HL100M 210 m3 hr 35mm 1 4 80 C 176 114 bar 1400 1800 2200 920 US in P 165 psi gpm HL110M 114 m3 hr 20mm 0 8 80 C 176 18 3 bar 1400 2000 2200 500 US in F 265 psi gpm HL125M 299 m9 hr 35mm 1 4 80 C 176 13 5 bar 1400 2000 2400 1320 US in F 196 psi gpm HL130M 340 m3 hr 22mm 0 9 80 C 176 18 8 bar 1200 1800 2100 1500 US in F 273 psi gpm HL150M 374 m3 hr 35mm 1 4 80 C 176 15 1 bar 1400 2000 2400 1650 US in F 219 psi gpm HL160M 486 m hr 35 mm 1 4 80 C 176 18 5 bar 1200 1800 2000 2140 US in P 268 psi gpm HL200M 635 m lhr 38mm 1 5 80 C 176 11 6bar 1200 1600 2200 2800 US in P 168 psi gpm HL225M 832 m3 hr 65 mm 2 6 80 C 176 11 3bar 1200 1800 2000 3660 US in P 164 psi gpm HL250M 1224 m3 hr 65 mm 2 6 80 C 176 12 1 bar 1200 1800 2000 5390 US in F 175 psi gpm HL260M 1260 m3 hr 50 mm 2 0 80 C 176 144 bar 1200 1600 1800 5550 US in F 209 psi gpm Coolants and lubricants Air compressor lubricant Table 16 Oil requirements for each class of compressor with an integral oil sump Compressor Oil capacity Required oil Quincy 216 1 42 L 0 375 US gal SAE 15W 40 Quincy 240 1 42 L 0 375 US gal SAE 15W 40 Quincy 270 4 50 L 1 18 US gal SAE 15W 40 HL
60. ormation 84 Floodgate Road Let s Solve Water Bridgeport New Jersey 08014 USA Tel 001 856 467 3636 Fax 001 856 467 4841 salesOgodwinpumps com www godwinpumps com The original instruction is in English All non English instructions are translations of the original instruction 2013 Xylem Inc 95 0056 3000 1 0 en US 2013 06 IOM HLRangeAmericas
61. re 18 Example of incorrect parallel alignment 5 Repeatthe previous steps until the permitted reading value is achieved NOTICE Use the specified permitted reading values unless specified otherwise by the coupling manufacturer Failure to do so may result in reducing the reliability of the pump Perform parallel alignment for a vertical correction Before you start this procedure make sure that the dial indicators are properly attached for measurement A unit is in parallel alignment when the parallel indicator P does not vary by more than the values given on the included coupling drawing as measured at four points 90 apart at the operating temperature 1 Setthe 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 Example illustration given in previous section Condition Action Negative reading value The pump coupling half X is Remove shims of a thickness equal to half of the lower than the driver coupling half Y indicator reading value under each driver foot Positive reading value The pump coupling half X is Add shims of a thickness equal to half of the indicator higher than the driver coupling half Y reading value to each driver foot NOTICE You must use an equal amount of shims with each driver foot to prevent misalignment Fail
62. s external to the driver then check the drive belt condition and tension Adjust the drive belt tension or replace as necessary For tension values refer to Technical Reference page 49 To adjust the drive belt tension refer to Technical Reference page 49 To replace the belt refer to the appropriate service manual available from your local Xylem representative Vacuum pump maintenance Check the tension and the condition of the drive belt Adjust the tension or replace as necessary HL Installation Operation and Maintenance Manual 39 Maintenance For tension values refer to Technical Reference page 49 To adjust the drive belt tension refer to Technical Reference page 49 To replace the belt refer to the appropriate service manual available from your local Xylem representative 500 hour maintenance Air compressor If the unit contains an air compressor with an integral oil supply then perform the following tasks Change the lubricant In harsh environments change the lubricant more frequently For required lubricants and quantities refer to Technical Reference page 49 Change the air filter In harsh environments change the air filter more frequently Tighten the pulley clamp screws Vacuum pump maintenance Check the condition of the air filter Replace as necessary To replace the air filter refer to the appropriate service manual available from your local Xylem representative
63. sembly Read any included manuals regarding trailer safety and maintenance for more information Check the axle bearings for wear and proper lubrication Check the wheels for loose lug nuts and tighten them as needed Check the tires for wear and tire pressure Check the hitch assembly for damage and loose hardware If hardware is damaged then replace and tighten all loose hardware HL Installation Operation and Maintenance Manual 37 Maintenance Check the safety chains for damage and verify that the hooks work properly If the safety chains are missing then replace immediately Check the jack stands for operation and condition Grease the jack stands as needed Check that all of the lights are operational and replace the bulbs as needed e f the trailer is equipped with a braking system then perform the following steps a Check the break away system is operational b Measure the break away battery to ensure it is charged c Check the brakes for wear and service as needed After the first 100 hours Air compressor maintenance If the unit contains an air compressor with an integral oil supply then perform the following tasks after the first 100 hours of operation 1 Ifthe unithas recently been in operation then allow the compressor to cool 2 Drainthe oil sump 3 Fillthe oil sump with a replacement lubricant For required lubricants and quantities refer to Technical Reference page 49 250 hour maintenan
64. si 6 0 bar 87 psi 38 mm 1 5 in HL225M 11 3 bar 164 psi 6 0 bar 87 psi 65 mm 2 6 in HL250M 12 1 bar 175 psi 6 0 bar 87 psi 65 mm 2 6 in HL260M 14 4 bar 209 psi 6 0 bar 87 psi 50 mm 2 0 in Flanges and connections Nameplates Usage This table describes the possible combinations ofthe flanges and the connections of the pump Model Suction side Discharge size HL80M 100 mm 4 in flange 80 mm 3 in flange HL100M 100 mm 4 in flange 100 mm 4 in flange HL110M 100 mm 4 in flange 80 mm 3 in flange HL125M 150 mm 6 in flange 100 mm 4 in flange HL130M 150 mm 6 in flange 100 mm 4 in flange HL150M 150 mm 6 in flange 150 mm 6 in flange HL160M 200 mm 8 in flange 150 mm 6 in flange HL200M 200 mm 8 in flange 150 mm 6 in flange HL225M 250 mm 10 in flange 200 mm 8 in flange HL250M 300 mm 12 in flange 250 mm 10 in flange HL260M 250 mm 10 in flange 250 mm 10 in flange These numbers located on the nameplate must be quoted in any inquiry for spares or service HL Installation Operation and Maintenance Manual Product Description Fields and information Every pump unit has a nameplate similar to the one shown in the illustration O godwin e 22 Floodgate Road Bridgeport NJ 08014 Tel 1 856 467 36 36 www godwinpumps com E Code 47 0148 SERIAL No XXXXXXX XX MADE IN THE UK XX XXXXX XX 1 2 3 4 5 6
65. te tere REO d RIS 19 General piping checklist in 19 Su ctionspiping checklist TROP em a E 20 Discharge piping checklistor nirna iaria i i arn iae 21 rinalpiping checklist naaa 22 Permanent installation for skid mounted units sse 22 prepare the skigiuem cuts M c eL MR HDI Ie n a RUN LORS 23 Requirements for foundation and anchor bolts 23 Place the skldus ote eR SESS 24 Fabricate th grout forms eee a e ep ra E ERE eR 24 POUR the gro lt dicc oim Eee C i emen e tact 25 Pump to driver alignment nennen enetnennne nens 26 Alignimentcbecks s tenere pep en tete ceded ahs 26 Alignment measurement guidelines 27 Attach the dial indicators for alignment sse 27 Pump to driver alignment instructions een nee eene 28 Commissioning Startup Operation and Shutdown seen 30 Preparation EEI aa EA weed T dnd RIO UD E 30 Operate the unit with the system condition of flooded suction sss 30 Bearing l bricatign ee rom RERO ttem RES 31 Mechanical seal coolaht s etu e teo AGER Ne RERO RAE PIE PRAE 33 HL Installation Operation and Maintenance Manual 1 Table of Contents Start the pump Ls te eism t Rm natos 34 Pump operation precauti ris toco e e de creer ede miden 35 Shutdowrntheputmp isun huit tete tmt MC emt rhe Me it e tim es 35 MEE le A 36 Routine maintenance precautiONS coooccnoncccocannnocannnononannncnnnnannnnnann no nonnnn cnn nre
66. tor and pump shafts in the vertical plane to a tolerance of 3 mills offset and 5 mills gap over a 10 coupling by shimming under the motor The motor holes are rechecked for being concentric with the base plate holes This gives maximum potential for final alignment The pump and motor shafts are then aligned horizontally to a tolerance of 3 mills offset and 5 mills gap over the coupling by moving the pump to the motor Place a machinist s level on the suction flange of the pump Tighten the anchor bolt nuts so that the base is tight to the concrete slab Fabricate the grout forms Required materials 24 e Hand tools 2 x 4 studs e 1 2 CDX Plywood HL Installation Operation and Maintenance Manual Installation 1 Install lumber form work around the perimeter of the skid Form work faces in contract with grout shall be coated with a form release oil or other similar 2 Form work should be secured to the concrete slab with bolts and drop in anchors to prevent movement while the grout is being placed 3 Allforms should butt tightly against the perimeter of the steel skid base to prevent grout from escaping during the placement 2 ____ 1 1 2 Plywood 2 2 x4 Studs Figure 16 Grout form details Pour the grout Required materials Epoxy grout Hand tools 1 Mix epoxy grout components as per the manufacturer s instructions 2 Pour grout a Pour until the bottom flange is covered b Trowel off
67. ure to do so can result in equipment damage or decreased performance 4 Repeat the previous steps until the permitted reading value is achieved NOTICE Use the specified permitted reading values unless specified otherwise by the coupling manufacturer Failure to do so may result in reducing the reliability of the pump HL Installation Operation and Maintenance Manual 29 Commissioning Startup Operation and Shutdown Commissioning Startup Operation and Shutdown Preparation for startup DANGER Never put your hand into the pump housing WARNING Fire hazard Overloaded electrical circuits can cause components to overheat Make sure to use appropriate circuit protection WARNING Failure to follow these precautions before you start the unit will lead to serious personal injury and equipment failure Explosion hazard Do not short battery terminals together or damage the battery Always disconnect and lock out power to the driver before you perform any installation or maintenance tasks Failure to disconnect and lock out driver power will result in serious physical injury Operating the pump in reverse rotation can result in the contact of metal parts heat generation and breach of containment Do not operate the unit if the fuel tank has been damaged Do not operate the unit in an area where explosive gases are present Always operate the unit in a well ventilated area preferably outdoors Do not r
68. ve noise If normal levels are exceeded shut down the pump and resolve the issue Monitor all gauges to ensure that the pump is running at or near rating and that the suction screen when used is not clogged e f the unit is driven by a diesel engine refer to the engine manual e f the unit is driven by an electric motor refer to the relevant control requirements 1 Iffitted open the suction valve 2 If fitted and depending on the system condition fully close or partially open the discharge valve 3 Startthe driver The air compressor or vacuum pump will start to prime the pump 4 If fitted open the discharge valve until the pump reaches the desired flow 5 Checkthe pressure gauge to ensure the pump is operating at the correct discharge pressure 6 Ifthe pump fails to reach the correct pressure a Stop the driver b Begin to troubleshoot the unit 34 HL Installation Operation and Maintenance Manual Commissioning Startup Operation and Shutdown Pump operation precautions General considerations CAUTION Vary the capacity with the regulating valve in the discharge line Never throttle the flow from the suction side since this can result in decreased performance unexpected heat generation and equipment damage Do not overload the driver Driver overload can result in unexpected heat generation and equipment damage The driver can overload in these circumstances e The specific gravity of the pumped flui

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