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Xylem G&L A-C 9100 Series, Instruction Manual

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Xylem G&L A-C 9100 Series Instruction Manual Download Page 56

To make a warranty claim, check first with the dealer from whom you purchased the
product or visit www.xyleminc.com for the name and location of the nearest dealer
providing warranty service.

9  Product warranty

54

G&L Pumps Series A-C 9100 Base Mounted Centrifugal Pumps INSTRUCTION MANUAL

Summary of Contents for G&L A-C 9100 Series

Page 1: ...INSTRUCTION MANUAL AC5657C G L Pumps Series A C 9100 Base Mounted Centrifugal Pumps...

Page 2: ......

Page 3: ...undation requirements 14 4 1 4 Level the base on a concrete foundation 15 4 1 5 Grout the baseplate 15 4 2 Coupling alignment 16 4 2 1 Prepare for alignment 16 4 2 2 Align the pump using a straight ed...

Page 4: ...ssembly inspections 34 6 7 1 Replacement guidelines 34 6 7 2 Shaft and sleeve inspection 34 6 8 Dimensions 35 6 9 Reassembly 35 6 9 1 Reassemble the pump with the mechanical seals on the shaft sleeve...

Page 5: ...f 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 t...

Page 6: ...ls WARNING Do NOT exceed the maximum working pressure of the pump This information is listed on the nameplate of the pump Alert symbol This safety alert symbol is used in manuals and on the safety ins...

Page 7: ...adable 1 3 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 danger...

Page 8: ...ondition Action Chemicals or hazardous fluids in eyes 1 Hold your eyelids apart forcibly with your fingers 2 Rinse the eyes with eyewash or running water for at least 15 minutes 3 Seek medical attenti...

Page 9: ...y will be packaged in a separate container and shipped with the pump or attached to the base plate Shaft alignment Shafts are in alignment when the unit is shipped however misalignment can occur due t...

Page 10: ...tion to ensure the weight is balanced equally distributed across both forks When the baseplate of the assembly is structural channel construction the pump and base plate should be set in place first T...

Page 11: ...ard shackle and end loops Be sure the lifting equipment is of sufficient length to keep the lift angle less than 30 from the vertical See Figure 3 Storage location The product must be stored in a cove...

Page 12: ...or short term storage apply Store in a covered and dry location Store the unit free from excessive cold or heat below 32 F and above 110 F dirt and vibration Rotate the shaft by hand several times 10...

Page 13: ...feed water Condensate Hydronic cooling or heating Pressure boosting General pumping Benign liquids 3 2 Operational specifications Maximum working pressure The maximum working pressure is listed on th...

Page 14: ...for example 8 x 8 x 17M 4 Serial number for example 1 21937 1 1 5 Driver HP 6 Identification number for example Month and year CWP 11 7 Pump series and model number 8 Duty points GPM feet RPM 9 Maxim...

Page 15: ...e Explanation comment Keep the pump as close to the liquid source as practically possible If the pump is not on a closed system locate the pump so that the fewest number of bends or elbows in the suct...

Page 16: ...ast five times the weight of the pump unit Pour the foundation without interruption to within 1 2 to 1 1 2 inches of the finished height The top surface of the foundation should be scored and grooved...

Page 17: ...1 for shims Place on both sides of anchor bolts 4 1 5 Grout the baseplate Required equipment Cleaners Do not use an oil based cleaner because the grout will not bond to it See the instructions provid...

Page 18: ...with high speed rings hold both half elements on the hubs in order to make sure the hubs do not interfere with the rings 5 You can install the hubs with the hub extension facing in or out Make sure th...

Page 19: ...in the 0 to 4 misalignment that is allowed for that size of coupling 1 2 1 Straight edge 2 Feeler guage Figure 4 Check the alignment using a straight edge correct 1 2 Angular Parallel 1 Straight edge...

Page 20: ...gure 7 Pump alignment via dial indicator d Set the dial to zero e Rotate both coupling halves together and make sure that the index lines remain matched f Reposition the equipment until the offset is...

Page 21: ...er 1 64 inch less then the diameter of the dowel pins 2 Ream the holes in feet and base to the proper diameter for the pins light push fit Clean out the chips 3 Insert pins to be approximately flush w...

Page 22: ...selected and installed so that pressure losses are minimized and sufficient liquid flows into the pump when it is started and operated Many NPSH problems can be directly attributed to improper suctio...

Page 23: ...ws the unbalanced loading of a double suction impeller due to the uneven flow around an elbow that is adjacent to the pump 1 2 3 4 5 1 Pump casing 2 Impeller 3 Pump suction flange 4 Suction elbow 5 Wa...

Page 24: ...1 1 No air pockets 2 Eccentric reducer 3 Gradual rise Figure 14 Gradual rise to the pump correct 1 1 Distance plus eccentric reducer straightens the flow Figure 15 Suction pipe above the pump correct...

Page 25: ...pipe system in order to prevent premature failure at initial startup If temperatures of the pumped fluid will exceed 200 F 93 C then warm up the pump prior to operation Circulate a small amount of fl...

Page 26: ...rt up to prevent damage to pump by operating at zero flow 5 1 4 Operating checks 1 Check the pump and piping to assure that there are no leaks 2 Check and record pressure gauge readings for future ref...

Page 27: ...r can only come off from the outboard end 2 With the rotating element out of the casing remove the casing from the bedplate and turn 180 3 Set the rotating element back in the casing and reassemble th...

Page 28: ...Figure 18 Main joint bolts 5 Commissioning Startup Operation and Shutdown 26 G L Pumps Series A C 9100 Base Mounted Centrifugal Pumps INSTRUCTION MANUAL...

Page 29: ...sary Use the grade recommended Make sure the seal cages are centered in the stuffing box at the entrance of the stuffing box piping connection Take vibration readings on the bearing housings Compare t...

Page 30: ...d area it is unlikely that bearing replacement is necessary Only replace the bearings if rust or worn surfaces appear Inspect the stuffing box and clean out any foreign matter that will clog the box R...

Page 31: ...down especially during the first 1000 hours CAUTION Do not over oil This causes the bearings to run hot Bearing lubrication schedule Type of bearing First lubrication assembled pumps and replacement b...

Page 32: ...lubrication label on pump or bearing frame indicating polyurea base grease Pumps built before Dec 1 2014 were built with Lithium based greases NLGI 2 and do not have lubrication label on pump or beari...

Page 33: ...ly before you install new packing Check the condition of the shaft or sleeve for possible scoring or eccentricity and make replacements as necessary When placing new non asbestos packing into the stuf...

Page 34: ...drain plug located on the bottom of the pump housing Do not reinstall the plug or close the drain valve until the reassembly is complete 4 Drain the liquid from the piping and flush the pump if it is...

Page 35: ...904 9 washers 1 909 9 and slide gland 3 014 2 away from casing 7 Remove all casing main joint capscrews 2 904 1 and dowels 2 916 9 Use slot in casing main joint and separate the casing halves with a p...

Page 36: ...e parts Failure to do so may result in equipment damage 6 7 1 Replacement guidelines Impeller replacement This table shows the criteria for replacing the impeller Impeller parts When to replace Impell...

Page 37: ...ing to determine the correct impeller rotation and locate the impeller on the shaft per dimension A given in table NOTE For impellers with replaceable rings heat each new ring 4 004 9 and slide it ont...

Page 38: ...026 2 so that they will be ready when called for the next step Use dry heat from induction heat lamps or electric furnace or a 10 15 soluble oil and water solution IMPORTANT Do not exceed 275 F These...

Page 39: ...ing housing Refer to NOTE under number 11 for direction of oil seal 16 Slide bearing housings 3 025 2 over bearings 3 026 2 17 Assemble bearing cover to bearing housing with two capscrews 3 904 9 18 R...

Page 40: ...e deflectors 3 136 9 toward bearing covers Allow rotating clearance of approximately 1 16 26 Rotate shaft by hand to assure that it turns smoothly and is free from rubbing and binding 27 Bolt glands 3...

Page 41: ...eal 3 177 9 in each bearing cover Install gaskets 3 409 9 on each bearing cover NOTE Seal lip or pressure side of oil seal must point towards the ends of the shaft that the oil seal is assembled on Se...

Page 42: ...al in obtaining proper gasket compression so no leafage can occur at main joint CAUTION Double check rotation of pump before installing the upper half casing 23 Slide deflectors 3 136 9 toward bearing...

Page 43: ...d shaft 6 Hold the guard in this position and tighten the three capscrews 7 Open the isolation valves and inspect the pump for leaks 8 Return the pump to service if it is not leaking 6 9 4 Adjustable...

Page 44: ...the oil ring 1 Place the oil ring in the bearing housing directly under the pipe plug hole 2 Run a wire through the pipe plug hole around the oil ring and back through the pipe plug hole once again 3...

Page 45: ...shed by inserting a phenolic disc or equivalent of a specified thickness between the motor and pump shaft 1 2 3 4 5 1 Cover 2 Phenolic disc 3 Pump shaft 4 Motor shaft 5 Hub Figure 26 Limited end float...

Page 46: ...s unless specified as a material change All material substitutions should be discussed with the factory 6 9 8 2 Screw torque values Capscrew torque in ft lb Nm Capscrew type Head marking Capscrew diam...

Page 47: ...atic lift may be too great Measure with mercury column or vacuum gauge while pump operates If static lift is too high liquid to be pumped must be raised or pump lowered Discharge head too high Check p...

Page 48: ...d clean impeller Cavitation insufficient NPSH depending on installation 1 Increase positive suction head on pump by lowering pump 2 Sub cool suction piping at inlet to lower entering liquid temperatur...

Page 49: ...let check for pipe friction losses Static lift may be too great Measure with mercury column or vacuum gauge while pump operates If static lift is too high liquid to be pumped must be raised or pump lo...

Page 50: ...ection of rotor by turning on bearing journals Total indicator run out should not exceed 0 002 on shaft and 0 004 on impeller wearing surface Mechanical failure of critical pump parts Check bearings a...

Page 51: ...8 Parts Listings and Cross Sectional Drawings 8 1 Parts list 8 Parts Listings and Cross Sectional Drawings G L Pumps Series A C 9100 Base Mounted Centrifugal Pumps INSTRUCTION MANUAL 49...

Page 52: ...3 007 0 Shaft 1 1 3 009 9 Shaft sleeve 2 2 3 014 2 Gland mechanical seal 2 3 015 9 Shaft sleeve nut 2 2 3 018 3 Bearing housing cover inboard 1 1 3 018 4 Bearing housing cover outboard 1 1 3 025 2 bea...

Page 53: ...9 O ring shaft sleeve 2 2 3 915 9 Snap ring 2 2 3 943 9 Spirol pin 2 2 4 002 0 Impeller 1 1 4 004 9 Impeller ring 2 optional 2 optional Recommended Spare parts 8 Parts Listings and Cross Sectional Dra...

Page 54: ...arranted only for the balance of the warranty period on the parts that were repaired or replaced Seller shall have no warranty obligations to Buyer with respect to any product or parts of a product th...

Page 55: ...repaired by third parties other than Seller or without Seller s written approval b subject to misuse misapplication neglect alteration accident or physical damage c used in a manner contrary to Seller...

Page 56: ...e dealer from whom you purchased the product or visit www xyleminc com for the name and location of the nearest dealer providing warranty service 9 Product warranty 54 G L Pumps Series A C 9100 Base M...

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Page 60: ...ng network technologies and advanced analytics solutions for water electric and gas utilities In more than 150 countries we have strong long standing relationships with customers who know us for our p...

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