Fuel Filtration Operating & service manual
Contents
1. Insert External Circlip 06 Pin Retainer Sleeve 2820 and Boot Seal Retainer 2810 respectively on the Coupling Rod 2610 and place O ring 03 in the Coupling Rod groove Fill the grease inside the U J 20 fitted on the Stub Shaft 4400 and insert the Coupling Rod 2610 in the U J Head care of alignment of the C Rod Pin holes at Coupling Rod and U J Head now insert Coupling Rod Pin 2910 Place the Boot Seal Retainer 2810 Pin Retainer Sleeve 2820 and secure it with External Circlip 06 at both side of the Universal joint To assemble U J 20 on the Rotor 2500 repeat Steps 5 to 8 Repeat the steps 9 to 11 to assemble Coupling Rod 2610 and Rotor 2500 Placing the Stuffing Box Gasket 8120 at its location drag the Pump Housing 5020 without touching the Rotor 2500 And connect it by tightening the Hex Nut 10 after placing the Hex Head Bolts 09 Punched Washer 37 amp Spring 14 15 16 Washer 11 locating Stuffing Box 5810 in position between Pump Lantern and Pump Housing To assemble the Stator 2220 pour some water or soap solution into the Stator to ease the stiffness Push the Stator over the Rotor forcing it towards the Pump Housing by rolling it over the Rotor 2500 in the Anticlockwise Direction looking from the drive end till it butts with the Stator Support Ring 6220 Place the two Foot 0760 in the position as shown and offer the End Cover 5310 to Stator2. instances the product being pumped may be of a hazardous nature In these installations considerations must be given to provide suitable protection and appropriate warnings to safeguard personnel and plant SPECIAL INSTRUCTIONS ROTATION The RNA RNB Series pumps are capable of taking rotation in both the directions but if a change of direction is required consult ROTO or its authorized agents before doing so LUBRCATION Bearings Pumps should be periodically inspected to see if grease replenishment is required If so bearings should be cleaned and repacked with grease until the bearing chambers are one third full with grease Use one of the following recommended or equivalent grease 1 SHELL Alvaina R3 2 BP Energrease LS 3 Castro Spheerol AP 4 Mobilux 3 UNIVERSAL JOINTS 15 FRB 50499 240 The pin type universal coupling should be lubricated when the pump is dismantled due to some reason To do so pack entire space between the coupling rod head and rotor or drive shaft bore with one of the following recommended or equivalent grease after cleaning the components 1 Shell Alvania grease 2 2 Mobilux 2 3 MP Grease 2 4 Castrol Spheerol AP2 Whenever Boot seal of EPDM materials are recommended or used please ensure that only the following Silicone Grease compound is used for such applications 1 MOLYCOTE 7 COMPOUND 2 OKS 1110 GREASE NOTE The above Greases also comply with food applications 16 Bef
3. port to continuously monitor DON TS the pump operating conditions It is further recommended that 1 Never run the pump in a dry condition even for a few a pressure relief valve of adequate capacity should be installed revolutions otherwise the rotor will damage the on the discharge side of the pump stator immediately 2 Never run the pump against a closed inlet or outlet START UP RUNNING valve 3 Never use foot valve for slurry applications 4 Never vary flow rate by throttling suction and delivery line 5 Never exceed recommended pump speed 6 Never reverse the recommended direction of rotation of pump without consulting ROTO 7 Never use local made or spurious spares that look alike but do not meet material standards or dimensional accuracy affecting life of critical components and performance of pump 8 Care is required when adjusting the gland while pump Is running COMMISSIONING All nuts and bolts securing flanges and base mounting fixtures must be checked for tightness before operation To eliminate vibration the pump must be correctly aligned with the drive unit and the guards must be securely fixed in position All the pipelines must be independently supported and use of expansion joints is desirable to eliminate the transmission of vibrations and stresses to the pipelines When commissioning the plant all the joints in the system must be checked thoroughly for leakage If on starting the pump does not appea
4. will maintain the operating efficiency of the filter For safety reasons it is important to ensure that venting is ONLY performed via a valve that the valve is opened with extreme care and that released fluid is disposed of to an appropriate drain or container Appropriate measures should be taken if the liquid is hazardous The filter can be operated until the increase in the pressure differential across the filter bag reaches approximately 1 5 bar g 25psi at this point the filter bag should be replaced Removing the Filter from Service Close the outlet valve Close the inlet valve Caution the filter housing will still be under pressure at this point Before opening the filter housing the pressure must be relieved This can be done either by carefully opening the vent valve or plug or the drain valve or plug whichever is most appropriate 13 FRB 50499 240 Before opening the closure open both the dirty drain and clean drain valves or plugs to allow all of the fluid to drain out of the housing The vent must be open to allow the housing to drain properly If the fluid is hazardous appropriate measures should be taken before opening the closure For safety reasons it is important to ensure that vent and drain connections such as any valves or hoses are secure and that released fluid is disposed of to an appropriate drain or container Replacing the Filter bags Open the filter housing according to the instructions given in the sect
5. 2220 Thread up Nut and Washers 15 16 36 each on topsides Insert these Tie Rods in the holes in End Cover 5310 and Pump Housing 5020 Also insert two Tie Rods 7710 on top side tighten the four Tie Rods 7710 by with Nuts Spring Washers and Plain Washers 15 16 36 After total assembly of the pump put it on a flat surface to check that Foot 0760 are lying co planner and also place the Gland Guards 7620 Ensure that all the fasteners except Gland Nuts 08 are tightened properly 18 19
6. 4 amp Hex Nuts 32 Secure the Mechanical Seal Housing 5861 to Pump Lantern 1200 by four Hex Nuts Studs and Spring Washers 09 10 11 resp To proceed further assembly of Universal Joint 20 has to be done as under Clean all the internal surface of U J Head 4010 and place the O Rings 02 04 in their respective grooves Also place the O Rings 03 in the Stub Shaft groove Place one External Circlip 06 Pin Retainer Sleeve 2820 and Boot Seal Retainer 2810 on Stub Shaft 4400 Stuffing Box Side Fit the U J Head 4010 on Stub Shaft 4400 and insert the C Rod Pin 2910 after aligning the hole in the U J Head 4010 and Stub Shaft 4400 Apply some grease on the OD pf U J Bush 2730 and insert it in the holes of U J Head 4010 taking care that scratches does not comes on the Bush ID or OD while fitting Offer the U J Block 2730 in another U J Head 4010 mounted at Stub Shaft 4400 after aligning the U J Block 4110 and Bush 2730 holes insert the U J Pin 2920 and lock it by the Spring Pin 01 Fit the U J Bush 2730 in another U J Head 4010 after placing O Ring 04 amp 02 and offer it to other side of U J Block 4110 already assembled in step 7 insert the U J Pin 2920 after aligning the U J Bush 2730 and U J Block 4110 holes and lock it by Spring Pin 01 Now drag the Boot Seal 1510 at its position taking care that it rests on the grooves in U J Head 4010
7. FRB 50499 240 Sigma PLANTFINDER Fuel Filtration Operating amp service manual Contents page Specification and consumable 1 Meet way 80m C S Motor protection Single phase motors are provided with an automatic thermal protection switch Pump 1 Self priming progressing cavity type Noise level lt 70dB 1m from the pump under normal working conditions Over pressure safety Electrical 3 5 Bar Mechanical 4 Bar FRB 50499 240 mS fw lt 1 i Te TE SL NOD Zarr a Fluid circuit diagram 1 2 1 2 DRAIN DRAIN OUTLET INLET 2 BSP 2 BSP SP gt lt PS DX 1 2 1 2 DRAIN DRAIN AUX INTLET 2 BSP The FRB 50499 is a mobile filtration system for the removal of particulate and water contamination from diesel fuel The system is capable of delivering contaminated fuel up to a very respectable 100 L min through a robust progressive cavity pump The fuel is then passed through 2 x 2 sets of particulate removal cells in parallel and then through a further 2 cells which can be fitted with our water removal media Filtasorb 2 this gives a staged filtration approach The system has been designed to run through all the filter cells as well as separately through 2 individual banks of filters this allows the user to carry out a filter media change or any other necessary maintenance to each bank of filters meaning the unit can still run without any downt
8. Tap End Stud 41 Note 1 Clean all the parts and check them for wear damage The worn out damaged parts should be replaced with original ROTO Spares In order to dismantled parts use suitable antirust compound on the Metallic surface of component ASSEMBLY INSTRUCTIONS il Align Stub Shaft in such away so that the motor shaft hole is in line with Stub Shaft locating hole Insert Dowel Pin 2930 through Stub Shaft and motor shaft Locate Pin Retainer over Dowel Pin over Dowel Pin and Secure tightly with Set Screw 45 Assemble Geared Motor 40 locating it on Pump Lantern 1200 and securing with Hex Bolts Studs Nuts and Washers 41 42 43 44 while keeping the Geared Motor Supported from overhead Fill the Gland Packing 7500 in the Stuffing Box 5810 and locate the gland 5410 as shown Secure the Gland 5410 and Stuffing Box 5810 by Studs 07 amp Hex Nuts 08 Insert this Sub assembly over the Stub Shaft 4400 Secure the Stuffing Box 5810 to Pump Lantern 1200 by four Hex Nuts Studs and Spring Washers 09 10 amp 11 resp as shown in the C S Drawing In case of Mechanical Seal proceed as under Ref RN 10 144 Locate Stationary Seat with Seal Ring in the Seal Plate 5451 in position applying even pressure In case of Teflon O Ring with Stationary Seat fitment shall be made by applying pressure on to the Stationary Seat Under a small press or Drill Machine Spindle using a soft p
9. The following conditions will cause the pump to stop and the FAULT LED s to illuminate To start the pump after a fault a manual reset is required this is done by correcting the fault then pressing the RESET button 1 High Pressure indicator will illuminate AMBER 2 Bund Alarm indicator will illuminate AMBER Any activation of either Emergency Stop buttons requires a manual reset of the system this is done by resetting the E stop switch twist until it pops out and pushing the E STOP RESET button 10 FRB 50499 240 Installation amp operating instructions Bag filter housing This housing is suitable at the operating parameters stated for all liquids classified as Group 2 This fluid group is as defined in the European Pressure Equipment Directive 97 23 EC Design Data Working Temperature Max 110 C Maximum Working Pressure Liquid 10Bar g Connections Inlet the higher of the two larger connections Outlet the lower of the two larger connections Vent located in the lid of the housing Drain located in the bottom Installation Vent Fit the blanking cap plug supplied or the vent and gauge kit as appropriate to the lid Seal with the aid of PTFE tape or an appropriate sealant as required Inlet Outlet Connect the inlet and outlet pipework to the housing connections For threaded connections use PTFE tape or an appropriate sealant as a seal For flanged connections use a suitable gasket and for dairy connections use the
10. ack on the face of the seat while driving the stationary seat in the Seal Plate 5451 Fit the Seal Plat with Mechanical Seal Housing 5861 after putting the O Ring 33 and locate the assembly in place on the Pump Lantern 1200 Measure distance L1 from Stub Shaft 4400 end to face of stationary seat Now take out the Mechanical Seal Housing assembly with seal plate If operating length of Mechanical Seal is L2 mark a distance L on the Stub Shaft 4400 equal to L1 L2 from UJ end of the Stub Shaft e Take out Seal Plate 5451 from the Seal Housing 5861 by unscrewing the nuts 32 e Slide over the Seal Plate 5451 with Stationary Seat on to the Stub Shaft 4400 towards Pump Lantern 1200 side e Insert Rotary Part of the mechanical Sea onto the Stub Shaft 4400 taking extreme care not to damage any part of the seal 17 FRB 50499 240 DISMANTLING amp ASSEMBLY INSTRUCTIONS FOR RMCA RMGA 641 PUMPS Now tight the Drive Collar of Mechanical Seal in place on the mark at distance L over the Stub Shaft with Setscrews In case Stub Shaft is Hard Chrome Plated tight the Setscrews on the Stub Shaft after removing plating at places to be screwed by a small hand grinder Now fit Mechanical Seal Housing 5861 between Pump Housing 5020 and Pump Lantern 1200 Pull Seal Plate 5451 to the Seal Housing 5861 and tight in place with Studs 31 Spring Washers 3
11. ag out the Boot Seal 1510 and collect the grease Remove the Spring Pins 01 and knock out the UJPins 2920 from UJ Head 4010 Dismantle the Rotor 2500 from Coupling Rod 2610 Remove UJ Bushes 2730 and UJ Block 4110 Now knock out the C Rod Pins 2910 from UJ Heads 4010 holding Rotor 2500 and Coupling Rod 2610 Remove UJ Heads 4010 and O Rings 02 03 04 from UJ Head and Stub Shaft Coupling Rod Repeat the same for other Universal Joint 20 Coupling Rod 2610 and Stub Shaft 4400 Unscrew the four Hex Nut Stud Spring Washer 09 101 11 Slip out the Stuffing Box 5810 and Gland 5410 assembly and unscrew two Hex Nuts and Studs 07 08 to remove the Gland 5410 and Gland Packing 7500 Note In case of Mechanical Seal Ref RN 10 144 unscrew Hex Nuts 32 connecting Seal Plate 5451 amp Mechanical Seal Housing 5861 Remove Mechanical Seal Housing 5861 amp collect O Ring 33 Now remove setscrews from drive collar of Mechanical Seal 30 and take out Mechanical Seal Remove Seal Plate 5451 along with Stationary Seat of Mechanical Seal Unscrew four Hex Socket Set Screw 45 from Pin retainer 2850 amp remove the Pin Retainer 2850 sliding towards the Head side Knock out the Dowel pin 2930 and remove the Stub Shaft 4400 Unscrew the Hex Head Nut 42 and collect Spring Washer 43 amp Punched Washer 44 Take out the Pump Lantern 1200 and also remove the
12. correct sealing ring It is important that the pipe work to and from the filter is adequately supported BEFORE OPERATING WE RECOMMEND THAT THE FILTER IS FLUSHED THOROUGHLY IMPORTANT SAFETY NOTES PLEASE READ BEFORE USING THIS HOUSING 1 Never attempt to open the housing whilst under pressure 2 Never operate the housing outside of its permitted operating parameters as stated i e over pressure under vacuum over or under temperature 3 Housings using Vee clamps should not be used in cyclic pressure or shock load environments or where highly viscous fluids could solidify the closure seal 4 For safety it is recommended that a pressure relief device is installed in the system to prevent over pressurisation 5 Never use the housing for fluids other than those it is rated for and ensure that the housing amp seal materials are compatible with the process fluid 6 Care must be taken to protect operators from hot surfaces if the housing is being run at high temperatures 7 Failure of the filter housing could result from misuse please ensure that these installation operating amp maintenance procedures are strictly adhered to The following factors have not been considered in the design of this housing as they are either negligible or not considered appropriate for this product unless specifically stated 1 Static pressure head 2 Traffic wind and earthquake loading 3 Decomposition effects of unstable fluids 4 Creep
13. d be added in accordance with the instructions given in assembly procedure GLAND PACKING The pump is normally fitted with gland packing which required final adjustment during initial running period Under normal working conditions the gland rings are to be tightened in a manner to permit a slight drip from the gland This enhances life of the shaft as well as of gland packing It is important to note that the gland packing never be over tightened to arrest the leakage completely This can lead to excessive heat generation that can cause permanent damage to shaft and packing Adjustment by tightening should only be made when the pump is running Indication of slight drip from the gland packing will only be evident if the pump is running delivery on gland or with suction on gland with a flooded suction If the pump runs with a vacuum on the gland a flushing connection MAINTENANCE OF WEARING COMPONENTS ROTORS AND STATOR The wear rate of these components depends on many factors such as product abrasiveness speed pressure etc One or possibly both items will need to be replaced when the pump performance has reduced to an unacceptable level or greaser with lantern ring is recommended Where lantern rings are fitted in stuffing box the flushing liquid inlet or outlet should be connected for proper circulation of the liquid MECHANICAL SEAL When the pump is supplied with mechanical seal it may be necessary to ensure proper flushi
14. fatigue and corrosion allowances 5 External fire Operation IMPORTANT ALWAYS ENSURE THAT THE SYSTEM IS NOT UNDER PRESSURE BEFORE OPENING THE HOUSING FRB 50499 240 Opening the filter For housings with a Bolted closure If the filter housing has been in service refer to the instructions given in the section Removing the Filter from 12 FRB 50499 240 Service Unscrew the clamp bolts with a suitable spanner Swing the clamps clear of the cover Remove the lid and O ring Store them in a safe place where they cannot get dirty or damaged Remove the basket compression plate Fitting the Perforated Basket The housing is supplied with a perforated bag support basket There is an inner gasket fitted under the basket Check the O ring groove and inner gasket for any damage and place inner gasket in the groove Place the basket into position ensuring that the inner gasket does not become dislodged Fitting the Filter Bags Push the bag into the basket that is situated in the housing and check that the filter bag ring is fitted flush to the basket flare Position the bag compression plate onto the top of the bag ring with the large plate fitting against the bag in the basket lip This will compress the bag and basket against the inner gasket Closing the Filter Housing For housings with a Bolted closure Check the housing top ring and groove the O ring and lid for any dirt or damage Clean away any foreign objects a
15. ime There are sample points SPI SP2 SP3 at various stages of the filtration process allowing the user to check the cleanliness of the fuel in conjunction with Sigmas FS9001 Partical Counter The system has an electrical over pressure system feature which is in turn protected by a mechanical bypass which will recircuit the fuel should the system pressure exceed 4 Bar A differential pressure gauge for each filter cell is mounted on the frame to allow the user to monitor the life span of the filter media a simple traffic light system is used to gauge the remaining life Green Amber Red It is recommended the media be changed when the needle is towards the end of the amber part of the gauge Product Anatomy Filtration Cell Mechanical Bypass Isolation 4 Bar Valves Mild Steel Frame French Blue 100 L M Progressive Cavity Pump Isolation Valves Outlet 2 BSP Valved 1 2 Drain Connection Inlet Port 2 BSP Valved Aux Inlet Connection 2 BSP Valved FRB 50499 240 Connection OPERATIONAL INSTRUCTIONS 1 Connect the unit to a suitable 240 VAC 32 amp supply 2 Move the isolator to the ON position the SUPPLY ON indicator will illuminate white 3 Make sure all physical hose connections are made and the appropriate valves are open see circuit diagram 4 Press the GREEN PUMP START button the PUMP RUNNING indicator will illuminate green 5 To stop the pump press the RED PUMP STOP button FAULT CONDITIONS
16. ion Opening the filter housing The new filter bags should be installed according to the instructions described under Fitting the Filter Bags Spent Filter Bag Disposal The spent filter bags should be disposed of in a responsible manner The filter itself can be disposed of by incineration or as landfill by an authorized contractor however it is important for the user to check how the contaminant contained in the filter should be disposed of Maintenance The filter housing will require very little maintenance The outer surface should be kept clean and free from dirt This will prevent contamination of the filter during bag change The Vee clamp should be maintained as follows A small amount of a suitable lubricant should be used on the sliding surfaces of the clamp The T bar thread must periodically greased We recommend the use of a molybdenum based grease which will adhere to the thread Binding of the thread could occur if they are not lubricated regularly Inspect the O rings each time the filter housing is opened and replace as required The housing must be checked for any visible signs of corrosion or wear damage internally and externally on a routine basis Internal examination should be carried out via the housing closure 6 Always use genuine ROTO spares for sustained pump vacuum gauge only be fitted to the pump inlet port and a performance and longer life of critical parts pressure gauge fitted to the outlet
17. nd replace defective parts as necessary Place the O ring into the groove at the top of the housing Position the lid evenly over the housing ensuring the seal is not disturbed Swing the screw clamps up into position ensuring that the clamp locates correctly in the grooves on both the lid and housing top ring Screw the clamps down evenly Before tightening ensure the lid is set squarely on the housing top ring Finally nip down the screw clamps with a spanner in a diagonal basis across the filter housing DO NOT over tighten Putting the Filter into Service Ensure the inlet and outlet valves are shut Ensure that the drain valves if fitted are closed or the drain plugs are fitted Open the vent valve or plug Gradually open the inlet valve on the upstream side of the filter housing whilst ensuring that the down stream valve remains closed As the housing fills air will be expelled from the vent When all the air has been expelled fluid will begin to flow from the vent For safety reasons it is important to ensure that vent and drain connections are secure and that released fluid is disposed of to an appropriate drain or container Appropriate measures should be taken if the liquid is hazardous Close the vent valve or plug then slowly open the outlet valve the filter is now in service and no attempt should be made to open the cover Regular venting of the housing by opening the vent to permit any trapped air to vent to atmosphere
18. ng amp quenching arrangement as per the seal manufacturers recommendations enclosed with this manual GLAND GUARDS In the interest of safety of personnel and in compliance with statutory requirements of various countries the pumps are fitted with gland guards that can be easily removed for adjustment of gland sealing lt is responsibility of the user to make sure that the guards are placed back in position after necessary adjustments have been made PUMP OPERATING TEMPERATURE The surface temperature range depends upon factors like ambient temperature and temperature of the fluid being pumped If the external pump surface temperature goes above 50 C personnel must be made aware of these and suitable warnings or guarding must be employed INSPECTION ADJUSTMENT OF GLAND PACKING The gland packing should be inspected every day after starting the pump Remove the gland guards to check the leakage If the sealing is not proper it must be adjusted by tightening or loosening of gland nuts to attain the preferred level of sealing Excessive tightening should be avoided as it would result in excessive heat generation leading to permanent damage of both the packing and the drive shaft Experienced personnel should carry gland adjustment carefully so that safety of the personnel is not endangered PERIODIC INSPECTION To avoid unexpected failure of the pump it is important that the pump is periodically dismantled and routine inspection
19. of the pump is carried out as follows Inspection of the pumping elements for wear and tear after every six months or if the discharge falls below acceptable levels Periodic bearings and universal joints inspection is necessary to maintain optimum performance The most appropriate time to inspect is during periods of regular scheduled downtime for routine maintenance or for any other reason DRIVE SHAFT STUFFING BOX The wear rate under gland area of the drive shaft depends on various factors like product abrasiveness extent of tightening of the packing and speed of the pump Periodic inspection and maintenance of the gland will maximize the life of the shaft Replacement of the gland packing or both the gland packing and the drive shaft will be necessary when the shaft sealing becomes difficult to achieve UNIVERSAL JOINT Universal joints should be examined when the pump is dismantled for any reason or for routine maintenance during periods of regular scheduled equipment down time The joints should be cleaned and renewed with fresh grease before assembly Use only recommended grease as per specifications in this manual PUMPSET When a pump unit is dismantled and reassembled it has to be ensured that the following steps as applicable are covered 1 Correct alignment of pump and driver 2 Use of appropriate couplings and bushes 3 Use of appropriate belts and pulleys EXPLOSIVE PRODUCTS HAZARDOUS ATMOSPHERE In certain
20. ore dismantling isolate all electrical circuits Close all isolation FRB 50499 240 DISMANTLING amp ASSEMBLY INSTRUCTIONS FOR RMCA RMGA 641 PUMPS valves on the suction and discharge to the pumps are prevention of liquid escaping from the pipe work system The persons carrying out the work should be adequately trained in general workshop practice relevant to the class of work involved amp taking care of safety DISMANTLING INSTRUCTIONS 1 Unscrew the Hex Nuts 15 fitted to the Tie Rods 7710 and remove the Spring Washers 16 Plain Washer 36 End Cover 5310 Tie Rods 7710 and Foot 0760 To remove the Bonded Stator 2220 from Pump Housing 5020 pour some water or soap solution into the Bonded Stator 2220 through the opening in the Pump Housing 5020 to ease the stiffness Move out the Bonded Stator from the Rotor 2500 by rolling in the clockwise Direction looking from the drive end Unscrew the Four Hex Head Bolts and Nuts 21 22 holding the Pump Housing 5020 to Stuffing Box 5810 and withdraw the Spring Washers 23 Plain Washers 37 Pump Housing 5020 taking care of any undue rubbing on the Rotor 2500 amp Coupling Rod 2610 Rotor may be protected by covering with some soft material like cloth In order to dismantle the Rotor 2500 Universal Joints 20 have to be dismantled Remove the External Circlips 06 Pin Retainer Sleeves 2820 Boot Seal Retainers 2810 and dr
21. r to operate correctly the pump must be shut down immediately and the cause of the malfunctioning must be established before operations are recommenced It is recommended that depending upon plant system operation either a combined vacuum gauge and pressure gauge or a DRY RUNNING Pumps must be filled with liquid before starting A threaded plug has been provided on the top of the pump housing for this purpose The initial filling is not for priming purpose but to provide the necessary lubrication of the stator until the pump primes itself When the pump is stopped sufficient liquid is normally trapped between the pumping elements to provide the necessary lubrication for restarting If however the pump has been left standing for a long time or has been dismantled it must be refilled with liquid and given a few turns before starting to get sufficient lubrication between the rotor and stator If the pumping liquid is hazardous then extreme care must be taken while initial filling of the pump using all safety and precautionary measures NEVER RUN THE PUMP IN A DRY CONDITION EVEN FOR A FEW REVOLUTIONS OTHERWISE THE STATOR WILL BE DAMAGED IMMEDIATELY 14 FRB 50499 240 INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS LUBRICATION The pump should be inspected periodically for lubrication of bearings to see if grease replenishment is required and if so grease shoul
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