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ENGLISH: PAGES 2-36
INSTRUCTION AND REPAIR MANUAL

NOTE! To the installer: Please make sure you 
provide this manual to the owner of the equip-
ment or to the responsible party who maintains 
the system.

Part #FM-03-529  |  © 2018 Pentair plc.  |  11/19/18 

Model 

1900 SERIES

FAIRBANKS NIJHUIS

INSTRUCTION AND REPAIR MANUAL

HORIZONTAL  

SPLITCASE PUMPS

Model 1910

Model 1940

Models 1920 and 
1920F

Содержание JUNG PUMPEN HIGHLOGO 1-910

Страница 1: ...e you provide this manual to the owner of the equip ment or to the responsible party who maintains the system Part FM 03 529 2018 Pentair plc 11 19 18 Model 1900 SERIES FAIRBANKSNIJHUIS INSTRUCTION AN...

Страница 2: ...G ALIGNMENT 12 PERIODIC CHECK 13 AUXILIARY PIPING CONNECTIONS 13 ROTATION 14 OPERATION 14 GENERAL 14 OPERATING AT REDUCED CAPACITY 14 PRIMING 15 STARTING THE PUMP 15 NORMAL OPERATION 15 16 STOPPING TH...

Страница 3: ...all product responsibility 5 This warranty is void unless the purchaser provides protective storage installs and maintains the equipment in accordance with manufacturer s instructions 6 Under the term...

Страница 4: ...ndicator readings been taken 5 Rotation Has the rotation of the drives been checked for correctness Has the coupling been turned to assure free rotation of pump and motor 6 System Has the system been...

Страница 5: ...nce of the pump If there are questions regarding the pump or its application which are not covered in this manual please contact the factory as follows Fairbanks Nijhuis 3601 Fairbanks Ave Kansas City...

Страница 6: ...These warnings apply to pumps supplied by Fairbanks Nijhuis Refer to the manuals supplied by the driver or control manufacturers for additional warnings before operating this equipment Before attempt...

Страница 7: ...of packing should be picked up and properly discarded after repacking the pump Drain lines should be checked to ensure they are functioning properly Driver ventilation ports should be kept free to ens...

Страница 8: ...fittings 3 Wipe clean all exposed machined surfaces and coat with a heavy layer of grease or other equivalent rust prevention material 4 Cover the suction and discharge of the pump with cardboard or...

Страница 9: ...owing steps should be followed 1 Reinstall the packing seal water ring and gland Adjust in accordance with this manual Flush the mineral oil out of the mechanical seal if unit is so equipped 2 Remove...

Страница 10: ...pplied to the pump suction Improper wet well or sump design or insufficient suction pipe submergence can result in intake vortexing which reduces the pump s performance and can cause severe damage to...

Страница 11: ...follow the same procedure as with shims or wedges Support the base with additional shims or wedges if necessary Make sure that all nuts and shims are in firm contact with the base Tighten the foundati...

Страница 12: ...ter hammer and prevents reverse rotation in the event of power failure The closing valves are used in priming starting and when the pump is shut down The pump must never be throttled by the use of a v...

Страница 13: ...indicates off the same spot Misalignment values within 0 004 inches TIR per inch of coupler radius is permissible To check parallel misalignment mount the dial indicator base to one coupling half or s...

Страница 14: ...g and suction line with liquid The pump may be primed by using a priming system F If excessive vibration or noise occurs during operation shut the pump down and consult a Fairbanks Nijhuis representat...

Страница 15: ...e 3 Open the suction valve 4 Start the priming system 5 Run the priming system until a continuous stream flows through the suction line then close the valve to the vent 6 The pump is now primed STARTI...

Страница 16: ...t to ensure driver cannot accidently start B If the pump is to be removed for repair close the suction and discharge valves EMERGENCY SHUTDOWN In the event of an emergency shut off the power at the ne...

Страница 17: ...ements and correct suction conditions d Defective priming valve d Replace valve e Defective packing or seal e Replace packing or seal 2 No discharge from pump a Pump is not properly primed a Reprime t...

Страница 18: ...tarts then stops pumping a Air leaks in suction line a See 1a above b Air pockets in suction line b Reprime the pump eliminate air pockets c Water seal line is plugged c Remove obstruction from water...

Страница 19: ...rive and pump are misaligned f See 6h above g Power frame shaft is bent g See 6i above h Foundation is not rigid h Strengthen foundation change method of mounting pump unit i Worn bearing in power fra...

Страница 20: ...s necessary c Magnetic switch closes c Check switch operation 1 Poor switch contact 1 Open manual disconnect switch close magnetic switch by hand and examine contactors and springs 2 Open circuit in c...

Страница 21: ...ly voltage c Check supply voltage with volt meter a Headshaft misaligned a Remove top drive coupling and check alignment of motor to pump b Worn shaft bearings or bent shaft b Disconnect motor from pu...

Страница 22: ...s or 2 grease containing rosin graphite talc or other impurities Under no circumstances should grease be reused CAUTION Over lubrication should be avoided as it may result in overheating and possible...

Страница 23: ...per maintenance instructions REPAIRS The pump may be disassembled using the illustrations and text provided Although complete disassembly is covered it will seldom be necessary to completely disassemb...

Страница 24: ...1920F and 1940 pumps loosen setscrews in flexible coupling and slide halves apart For Model 1910 remove flexible shafting from pump 8 Remove capscrews 6A securing bearing caps 6 Lift off bearing caps...

Страница 25: ...e slinger C126 lantern ring 10 and bushing 20 from shaft 19 If unit has right hand rotation unscrew and remove outboard sleeve A14 first Remove O ring 14A If unit has left hand rotation unscrew and re...

Страница 26: ...seal assembly using same basic procedure 8 After removal of mechanical seals proceed with balance of disassembly in same manner as described for packing design REASSEMBLY Reassembly will generally be...

Страница 27: ...left hand unit use same procedure only starting with impeller B1 NOTE When assembling rotating element of a 1900 Series pump it is important that the curve of impeller blades is in agreement with pum...

Страница 28: ...A 6 57 64 3 3 1913A 3 1923A 3 1843A 3 1913B 3 1923B 3 1843B 4 1922 7 53 64 4 5 1922 8 49 64 4A 5 1924 9 63 64 5 6 1922A 6 1922B 6 1923 6 1923B 9 49 64 5A 6 1924 11 Power Series Pump Size A 1 2 2 1913A...

Страница 29: ...ts into seal gland 31 These parts are set into their cavities in the same manner as they are with a single seal II Place O rings 456A around collars 456B and put the collars with stationary seats faci...

Страница 30: ...uring loosely in place Swing bolts 19D are set over pins 19F on 3 1913A 3 1923A 3 1843A or smaller units On larger units swing bolts are held in place by capscrews 2B after casing half 3 is in positio...

Страница 31: ...ECE NUMBER FROM THE EXPLODED VIEW IN THIS MANUAL ORDER ALL PARTS FROM YOUR LOCAL AUTHORIZED DISTRIBUTOR OR THE FACTORY AT NORTH AURORA ILLINOIS PREDICTED LIFE Reference Number Description Predicted Li...

Страница 32: ...159B Gasket Thrust Bearing Housing Cover 159C Grease Seal 159D Grease Seal 159E Gasket Radial Bearing Housing Cover 161 Retaining Ring Bearing 163 Bearing Radial 164 Grease Fitting 168 Bearing Thrust...

Страница 33: ...59A A126 19 212 212 20 A14 14A 16 16A 17 16A 17A 14B 4 16 16A 17 A1 39B 48 39 39C 39A B1 2C 19F 3A 2C 2 3B 456A 456B 456C 456 31A 31 B14 20 10 212 19D 19C 19B 19A B158 163 168A 159G B126 B159 159E 159...

Страница 34: ...59D 19A 19B 19C 19D 212 10 212 20 B14 14B 2B 3 157 4 102 14A 6A 6 168 161 159B A159 168A 118 159F 15 15A 2A 3A 19 6A C126 164 6 158A B158 163 159C 159E 168A B159 B126 159G B1 17 17A 16 272 158A 164 15...

Страница 35: ...2 3A 2C 19A 19B 19C 3A 19F 19D 2C 20 A14 74 77C 74A 74B 3B 2A 3A 2B 3 157 14B B14 20 212 10 212 19D 19C 164 C126 15 159D 19A 19B 6A 6 158A B158 163 159C 159E 168A B159 B126 159G 17A 16 17 A1 39B 39 4...

Страница 36: ...ced part and is not extended to the product or anyothercomponentofthe productbeing repaired Repair parts of its own manufacture sold after the original warranty period are warranted for a period of on...

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