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Fristam Pumps FL2 100, Idea Instruction And Maintenance Manual, Page: 36 / 40

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Fristam Pumps FL2 100 Idea Instruction And Maintenance Manual Download Page 36

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roubLeShooting

 

p

robLem

  

 

        c

auSe

 

 

 

 

 

S

oLution

Pump not turning 

Interruption of electrical power. 

Reset circuit breaker,   

 

                                                                                                               check fuses. 
 

Keys sheared or missing. 

Replace. 

 

Coupler or belts are not connected. 

Replace or adjust. 

 

Pump shaft or gears sheared. 

Replace. 

 

Wrong rotation. 

Reverse. 

 

Relief valve not properly adjusted. 

Adjust valve.

Pump not priming 

Valve closed in suction line. 

Open valve. 

 

Suction line clogged or restricted. 

Clear suction line. 

 

Air leak in connections or seal. 

Repair leak. 

 

Pump speed too slow. 

Increase speed. 

 

Suction line does not remain flooded.   Install foot valve. 

 

Air lock. 

Bleed suction line. 

 

Excessive clearances in pump. 

Replace out of tolerance  

 

 

                                                                       parts. 

 

NIPA low. 

Increase suction pressure.

Insufficient flow 

Speed too low. 

Adjust speed as required. 

 

Air leak. 

Repair leak.

Noisy operation 

Cavitation. 

Increase NIPA. 

 

Viscous product. 

Slow pump, reduce product. 

 

High vapor pressure, high temp. 

Reduce temperature. 

 

Leaks in piping or pump. 

Repair leaks. 

 

Dissolved gas in product. 

Reduce discharge pressure. 

 

Mechanical noise. 

Check tolerances. 

 

Excessive weight from piping, 

Support piping. 

 

   pump body distorted. 

 

 

Excessive discharge pressure. 

Reduce discharge pressure. 

 

Worn bearing. 

Replace bearing. 

 

Worn gears. 

Replace gears. 

 

Rotor-to-rotor contact. 

Time rotors, replace twisted   

 

                                                                       shafts, replace worn gears.

Pump overloads 

Viscosity of product higher than 

Reduce pump speed, 

 

   expected.                                                    increase piping size.  

 

Higher pressure than expected 

Reduce pump speed, 

 

 

   increase piping size.

Play between gears 

Worn gear teeth. 

Replace gear. 

 

Gear loose on shaft. 

Inspect gear key, keyway and 

 

                                                                      shaft. If all are undamaged,  

 

 

  retighten the gear retaining 

 

 

  nut.  

 

 

Check for backlash.

Summary of Contents for FL2 100

Page 1: ...FL2 Series Pump 1 INSTRUCTION AND MAINTENANCE MANUAL FL2 FL3 Series Pumps Models 15 58 75 100 130 SANITARY POSITIVE DISPLACEMENT PUMPS ...

Page 2: ... options you can match your process needs precisely The FL2 Series pump is available with any connection type desired and may be mounted with the inlet outlet connections in a horizontal or vertical orientation The pump should be coupled to a motor drive assembly properly specified to give the desired performance for the required application The FL3 Series pump is a version of the FL2 featuring un...

Page 3: ...eplacement 18 Gearbox Disassembly 18 Gearbox Assembly 19 FL2 15 and 58 single seal 21 FL2 15 Part Number List 21 Pump Assembly Drawing 22 FL2 58S Part Number List 24 FL2 58L Part Number List 25 FL2 3 75 and 100 26 Pump Assembly Drawing 26 FL2 75S Part Number List 28 FL2 3 75L Part Number List 29 FL2 100S Part Number List 30 FL2 3 100L Part Number List 31 FL2 130 32 Pump Assembly Drawing 32 FL2 130...

Page 4: ...sh Water Pressure double seal 1 2 PSI 5 PSI maximum Recommended Seal Flush Water Flow Rate double seal 3 12 gph Stationary Seal Ring Material Carbon Also Available in Silicon carbide Rotating Seal Ring Material Chrome oxide coated stainless steel Also Available in Silicon carbide O ring Material Viton standard Also Available in EPDM and other options available Lubrication Oil Grade SAE 15W40 Oil C...

Page 5: ...s Sleeve Size Type E Type H Parallel A Angular Y max Y min Y Parallel A Angular Y max Y min Y 6 015 070 2 375 010 016 2 375 7 020 081 2 563 012 020 2 563 8 020 094 2 938 015 025 2 938 9 025 109 3 500 017 028 3 500 10 025 128 4 063 020 032 4 063 11 032 151 4 875 022 037 4 875 12 032 175 5 688 025 042 5 688 13 040 195 6 688 030 050 6 625 14 045 242 7 750 035 060 7 750 Dimensions are in inches The Y ...

Page 6: ...0 009 0 013 0 46 0 53 0 018 0 021 0 26 0 35 0 010 0 014 0 26 0 34 0 010 0 013 130L 0 21 0 25 0 008 0 010 0 32 0 42 0 0125 0 0165 0 55 0 62 0 022 0 024 0 35 0 44 0 014 0 0175 0 35 0 43 0 014 0 017 HIGH TEMPERATURE FL2 3 ROTOR CLEARANCES Model Back Face Front Face Radial Sides Radial Top Bottom Rotor to Rotor 15 0 07 0 09 0 0028 0 0035 0 085 0 165 0 0033 0 0065 0 13 0 16 0 005 0 006 0 11 0 14 0 0043...

Page 7: ...ort all piping independently to minimize the forces exerted on the pump Figure 1 Ensure that the piping can accommodate thermal expansion without stressing the pump Slope inlet piping up to pump to avoid air pockets or if suction piping is larger than the pump inlet use an eccentric reducer straight side up to prevent air pockets from forming Figure 2 Install a relief valve on the discharge side o...

Page 8: ... wire ring on the O D of the coupling sleeve Electrical Connections Have an electrician connect the drive motor using sound electrical practices Ensure that proper motor overload protection is provided The size of the drive selected should meet the requirements of the operating conditions A change in conditions for example higher viscos ity product higher product specific gravity lower head losses...

Page 9: ...m representative for assistance If the process lines are to be cleaned with the pump use a by pass loop around the FL2 pump during the CIP mode to maintain pip velocity Once the wetted components are at a steady temperature the pump can be started and run around 100 RPM with a backpressure of at least 10 PSI As the product viscosity increases the required backpressure may need to be increased as w...

Page 10: ...ors for any signs of wear or damage If wear is present this could be a sign of over pressurization incorrect rotor gap or bearing wear Seal Replacement Begin all pump maintenance by disconnecting the energy source to the pump Observe all lock out tag out procedures as outlined by ANSI Z244 1 1982 and OSHA 1910 147 to prevent accidental start up and injury Tools required for seal replacement 15 10 ...

Page 11: ...Rev A DESCRIPTION 16 3 18 13 33 14 5 12 GAPPING SPACER ROTATING SEAL GAPPING SPACER O RING STATIONARY SEAL O RING SEAL WAVE SPRING STATIONARY SEAL ROTOR O RING ROTOR NUT O RING 5 14 5 12 33 13 18 3 16 12 18 33 13 16 3 14 PARTS NOT INCLUDED IN FLII 15 PUMPS PRIOR TO MARCH 2009 ...

Page 12: ... 20 19 18 33 16 3 18 14 33 37 21 19 20 ROTOR O RING FRONT STATIONARY SEAL O RING ROTOR NUT O RING DESCRIPTION 12 13 5 12 5 3 16 13 33 14 18 20 19 21 32 37 SEAL FLUSH HOUSING 37 34 21 19 20 18 14 33 13 16 3 5 12 FRONT STATIONARY SEAL O RING DESCRIPTION 32 SEAL FLUSH HOUSING O RING SEAL FLUSH HOUSING 37 REAR SEAL SPRING REAR STATIONARY SEAL REAR STATIONARY SEAL O RING ROTATING SEAL 18 20 19 21 FRONT...

Page 13: ...otor nut and o ring g To loosen the other rotor place the dowel between the rotors on the opposite side of the pump FL2 only Again turn the rotor nut counter clockwise h Remove the rotor nut and o ring i The rotors and rotor o rings can now be removed from the pump housing by pulling straight Handle the rotors with care to avoid damage While removing the rotors watch for the stamped markings There...

Page 14: ...iscard the o rings j Remove the gapping spacer o rings from the grooves in the gapping spacers and discard Additional disassembly for double seal only For pumps with double mechanical seals you now have to remove the rear stationary seals a Remove the seal housing o ring from the front of the seal flush housing FL2 15 only pull off housing b Loosen the seal housing bolts with the Allen wrench c Pl...

Page 15: ...ling the new seal components make sure that you use all of the components supplied with thereplacement seal kit Using some of the old compo nents may reduce seal life a With the pump housing lying face down on a table lubricate and install the front stationary seal o ring in the housing o ring groove b Place the stationary seal spring into the stationary seal cavity in the back of the housing Figu...

Page 16: ...tor o rings into the grooves on the back of the rotors Fig ure 17 Install the rotors o ring side first into the pump housing Install the rotor marked with one dot onto the drive shaft Install the rotor with two dots onto the idle shaft Note the dots are located in the o ring groove on the front of the rotor FL3 Both rotors must be installed at the same time For all Models c Install the rotor nut o...

Page 17: ... and gapping spacer on the FL2 15 Machine and lap the o ring end of the gapping spacer to the required length Lap the gapping spacer until the shim faces are perfectly flat and the spacer thickness is the same around the entire circumference of the shim Recommended lap compound Liquid Diamond 14 microns Re assemble the gapping spacer rotor and rotor nut Recheck the back face clearance Assemble the...

Page 18: ... Wooden dowel Feeler gauges Soft faced hammer Flat blade screwdriver Indicating torque wrench Mild steel rod Bearing heater Arbor press beneficial Gearbox Disassembly Remove the oil drain plug and drain the oil Remove the coupling key from the drive shaft FL2 15 58 remove guards Remove the rear cover bolts from the rear cover Pull the rear cover off the drive shaft exten sion If the cover sticks u...

Page 19: ...g bore and the bearing cups Position the gearbox with the drive end up Unwrap rear bearing assemblies Insert the rear bearing cups with the smaller inner diameter toward the inside of the gearbox into the rear bearing bores until seated against the shoulder There should be a tight sliding fit between the housing bore and the bearing cups Place the bi wing rotors on a flat surface and insert the sh...

Page 20: ...fter the gears are installed turn the shafts to make sure they turn freely and that the rotors are timed correctly Use a spanner wrench to tighten the bearing lock nut on the drive shaft Measure rolling torque with no load on bearing Set the torque wrench to zero while rotating this will remove the load caused by the lip seal For models 15 58 Measure rolling torque with no load on bearing there sh...

Page 21: ... 1101000040 Rotor high temperature 1650631409 41 Idle shaft 1 1382001461 12 Rotor o ring viton 2 1180000121 42 Rear bearing 2 1173001002 Rotor o ring EPDM 1180000249 44 Bearing lock washer 2 1104001003 13 Front stationary seal o ring viton 2 1180000380 45 Bearing lock nut 2 1103001004 Front stationary seal o ring EPDM 1180000395 46 Sight glass 1 1248000029 14 Front stationary seal carbon 2 1815604...

Page 22: ...r 12 Rotor O ring 13 Front Stationary Seal O ring 14 Front Stationary Seal 15 Gearbox 16 Gapping Spacer O Ring 17 Pin 18 Rotating Seal 19 Rear Seal Spring double seal only 20 Rear Stationary Seal double seal only 21 Rear Stationary Seal O ring double seal only 22 Rear Cover O ring Models 15 58 Exploded View 1265000317 Rev A 7 8 4 5 11 31 16 3 10 13 33 14 18 6 12 ...

Page 23: ... Front Seal Spring 34 Water Pipe double seal only 35 Housing Stud 37 Seal Flush Housing double seal only 38 Front Oil Seal 39 Front Bearing 40 Gearbox Cover Bolt 41 Idle Shaft 42 Rear Bearing 44 Bearing Lock Washer 45 Bearing Lock Nut 46 Sight Glass 47 Drive Shaft 48 Guard screw single seal only 49 Guard single seal only 50 Bolt 51 Distance screw double seal only ...

Page 24: ...ure 1678631312 40 Gearbox cover bolt 4 1101000040 12 Rotor o ring viton 2 1180000326 41 Idle shaft 1 1382001397 Rotor o ring EPDM 1180000347 42 Rear bearing 2 1173001021 13 Front stationary seal o ring viton 2 1180000380 44 Bearing lock washer 2 1104000023 Front stationary seal o ring EPDM 1180000395 45 Bearing lock nut 2 1103001012 14 Front stationary seal carbon 2 1815601340 46 Sight glass 1 124...

Page 25: ...ture 1679631349 40 Gearbox cover bolt 4 1101000040 12 Rotor o ring viton 2 1180000326 41 Idle shaft 1 1382001399 Rotor o ring EPDM 1180000347 42 Rear bearing 2 1173001021 13 Front stationary seal o ring viton 2 1180000380 44 Bearing lock washer 2 1104000023 Front stationary seal o ring EPDM 1180000395 45 Bearing lock nut 2 1103001012 14 Front stationary seal carbon 2 1815601340 46 Sight glass 1 12...

Page 26: ...ru studs 10 Pump Housing 11 Rotor Bi wing Rotors 12 Rotor O ring Exploded View of FL2 3 75 100 13 Front Stationary Seal O ring 14 Front Stationary Seal 15 Gearbox 16 Gapping Spacer O ring 17 Housing Pins 18 Rotating Seal 19 Rear Seal Spring 20 Rear Stationary Seal 21 Rear Stationary Seal O ring 22 Rear Cover O ring 23 Rear Bearing O ring 24 Rear Bearing Lip Seal ...

Page 27: ...over Studs 32 Seal Flush Housing O ring 33 Front Seal Spring 34 Water Pipe 35 Housing Studs 36 Flush Housing Bolts 37 Seal Flush Housing 38 Front Bearing Lip Seal 39 Front Bearing 40 Rear Cover Bolt 41 Idle Shaft 42 Rear Bearing 43 Drain Plug 44 Bearing Lock Washer 45 Bearing Lock Nut 46 Sight Glass 47 Drive Shaft ...

Page 28: ... 1180000350 1180000076 Gapping Spacer O ring viton Gapping Spacer O ring epdm 2 2 17 1891002613 Pin 2 18 18 1810604444 1810604441 Silicon Carbide Rotating Chrome Oxide Rotating 2 2 19 1820000015 Rear Spring 2 20 1815604442 Rear Stationary Seal carbon 2 21 1180000030 Rear Stationary Seal O ring buna 2 22 1181000077 Rear Cover O ring 1 Item Part Description QTY 23 1180000354 Gear O ring viton 2 24 1...

Page 29: ...000076 Gapping Spacer O ring viton Gapping Spacer O ring epdm 2 2 17 1891002613 Pin 2 18 18 1810604444 1810604441 Silicon Carbide Rotating Chrome Oxide Rotating 2 2 19 1820000015 Rear Spring 2 20 1815604442 Rear Stationary Seal carbon 2 21 1180000030 Rear Stationary Seal O ring buna 2 22 1181000077 Rear Cover O ring 1 Item Part Description QTY 23 1180000354 Gear O ring 2 24 1812002508 Gear Lip Sea...

Page 30: ...002609 Pin 2 18 18 1810604644 1810604641 Silicon Carbide Rotating Chrome Oxide Rotating 2 2 19 1820000029 Rear Spring 2 20 1815604640 Rear Seal carbon 2 21 1180000253 Rear Stationary Seal O ring viton 2 22 1180000385 Rear Cover O ring 1 23 1180000378 Gear O ring 2 24 1812002505 Rear Lip Seal 2 25 1381001704 Gear 2 Item Part Description QTY 26 1248000023 Vent Plug 1 27 1315002607 Gear Key 2 28 1383...

Page 31: ...10604644 Silicon Carbide Rotating 2 18 1810604641 Chrome Oxide Rotating 2 19 1820000029 Rear Spring 2 20 1815604640 Rear Seal carbon 2 21 1180000253 Rear Stationary Seal O ring viton 2 22 1180000385 Rear Cover O ring 1 23 1180000378 Gear O ring 2 24 1812002505 Rear Lip Seal 2 25 25 1381001704 0397660005 Gear FL2 Gear FL3 2 2 Item Part Description QTY 26 1248000023 Vent Plug 1 27 1315002607 Gear Ke...

Page 32: ... Front Stationary Seal 15 Gearbox 16 Gapping Spacer O ring 17 Housing Pins 18 Rotating Seal 19 Rear Seal Spring 20 Rear Stationary Seal 21 Rear Stationary Seal O ring 22 Rear Cover O ring 23 Rear Bearing O ring 24 Rear Bearing Lip Seal 25 Gear 26 Oil Fill Plug 27 Gear Key 28 Rear Cover 29 Rear Cover Oil Seal 30 Coupling Key 31 Cover Studs 32 Seal Flush Housing O ring 33 Front Seal Spring 34 Water ...

Page 33: ...ront Bearing 40 Rear Cover Bolt 41 Idle Shaft 42 Rear Bearing 43 Drain Plug 44 Bearing Lock Washer 45 Bearing Lock Nut 46 Sight Glass 47 Drive Shaft 48 Lifting Lug 6 7 8 9 10 11 12 13 14 32 16 17 48 37 38 39 15 22 26 42 24 23 25 28 46 27 44 45 29 47 30 41 43 40 6 35 31 21 33 36 19 3 4 5 18 34 20 1265000320 11 18 05 ...

Page 34: ... 1810604841 1810604844 Rotating seal chrome oxide Rotating seal silicon carbide 2 2 19 1820004839 Rear seal wave spring 2 20 1815604842 Rear stationary seal carbon 2 21 1180000388 Rear stationary seal o ring buna 2 22 1180000339 Rear cover o ring buna 1 23 1181000078 Rear Bearing o ring 2 24 1812002514 Rear oil seal 2 25 1381001804 Gear 2 Item Part Description QTY 26 1248000023 Vent plug 1 27 1315...

Page 35: ...ating seal chrome oxide Rotating seal silicon carbide 2 2 19 1820004839 Rear seal wave spring 2 20 1815604842 Rear stationary seal carbon 2 21 1180000388 Rear stationary seal o ring buna 2 22 1180000339 Rear cover o ring buna 1 23 1181000078 Rear bearing o ring viton 2 24 1812002514 Rear oil seal 2 25 1381001804 Gear 2 Item Part Description QTY 26 1248000023 Vent plug 1 27 1315002635 Gear key 2 28...

Page 36: ...ent flow Speed too low Adjust speed as required Air leak Repair leak Noisy operation Cavitation Increase NIPA Viscous product Slow pump reduce product High vapor pressure high temp Reduce temperature Leaks in piping or pump Repair leaks Dissolved gas in product Reduce discharge pressure Mechanical noise Check tolerances Excessive weight from piping Support piping pump body distorted Excessive disc...

Page 37: ...FL2 Series Pump 37 Pump Maintenance Record Date Service Performed By ...

Page 38: ...Fristam Pumps 38 Pump Maintenance Record Date Service Performed By ...

Page 39: ...red by purchaser within thirty 30 days after purchaser learns of the facts upon which such claim is based Any claim not made in writing and within the time period specified above shall be deemed waived Purchaser s sole and exclusive remedy and Fristam Pump s maximum liability for claims arising hereunder or for negligence for any and all losses and damages resulting from any cause shall be either ...

Page 40: ...n WI 53562 2524 1 800 841 5001 608 831 5001 www fristam com usa Email fristam fristampumps com Copyright 2018 Fristam Pumps USA Drawing 1250000005 Rev D Updated 10 2 2018 Part 1050000037 Visit www fristam com usa for a current list of literature ...

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