P 601 - P 3001
SERVICE INSTRUcTION
Page 1: ...P601 P3001 SERVICEINSTRUcTION ...
Page 2: ...n and disconnect the contactor and the power supply to the pump Note When the motor has cooled down the thermal switches close and re start the pump automatically Connection at the job site Check that the pump is connected for the actual mains voltage Reconnection between 230 volts and 460 volt 3 phase is made by changing the contactor coil and reconnect according to the wiring diagram If the cont...
Page 3: ...t into storage Hard and solid lime deposits are easily removed if the pump is fully submersed in a vessel with a mixture of one part formic acid HCOOH and 15 parts water Remove the pump after 5 minutes and flush it in fresh water Some deposits may remain and a second treatment may be necessary Not all deposits may be removed Inspection of Shaft Seals Check the condition of the shaft seal by inspec...
Page 4: ...umps installed by a qualified electrician A volt ohm meter and valid wiring diagram for the correct voltage are required in order to trouble shoot the electrical portion of the equipment All troubleshooting should be carried out with the equipment disconnected from the electric power supply The power supply must be locked out when performing routine maintenance or troubleshooting pump Always check...
Page 5: ... and main cover or top cover 4 Wire s pinched between top cover and main cover 5 Loose or missing nuts that secure top cover to main cover D Pump operating at too low capacity May be caused by 1 Wrong direction of rotation 2 Worn or damaged impeller and or diffuser 3 Clogged strainer 4 Sharp bends folds or restrictions of the discharge hose 5 Total Delivery Head static head friction losses too hig...
Page 6: ...rfaces and check that they are not damaged If water or oil has leaked into the motor housing inspect and replace ball bearings and shaft seals as required Warning Prior to any work being carried out always check that the pump is disconnected from the power supply and cannot be energized Dismantling Loosen the bottom nuts screws and remove the base plate Unscrew the nuts for the diffuser Remove out...
Page 7: ...ween the vanes and unscrew the impeller nut with an 8 mm Allen key Prize the impeller loose with two screwdrivers under the impeller hub Remove the key from the shaft Replace if damaged Shaft Seals Pull out the rotating ring of the primary seal with sleeve and spring and remove the 0 ring from the shaft Unscrew the stud bolts Withdraw the wear plate and remove the stationary ring of the primary se...
Page 8: ...void scratching the shaft Remove any possible scratches before pulling out the rotating part of the secondary shaft seal Screw puller part No 00470 into the stationary ring of secondary seal and pull out the ring Rotor Unit Unscrew the screws which hold stator housing and oil casing together Turn the housing about 15o and prize it loose from the casing with a screwdriver Remove the stator unit ...
Page 9: ...er dia meter slightly larger than the outer diameter of the bearing seat Press against the end of the shaft until the rotor comes loose If a high pressure is needed screw the impeller nut fully on the shaft end in order to protect it Ball Bearing Remove the internal circlip and Nilos ring for the ball bearing and press out the bearing If necessary the bearing seat can be heated quickly with LP gas...
Page 10: ...the cable Incorrect sizing can cause severe damage to the pump Stator Unit with Contactor Unscrew the nuts for main cover and remove the main cover from the stator unit The motor insulation should always be tested in connection with service or repair Measure insulation resistance between the different phase windings between windings and ground and between win dings and thermal switch circuit The i...
Page 11: ... hole seals and pull out the seals Pull out the cables and arrange them so as to avoid jamming when the stator is falling out of the housing Remove the 0 ring in the upper bearing seat Block up the housing so that the stator can drop freely out of the housing It is important that the sealing surfaces of the housing not get damaged Heat the housing quickly with two LP gas flames at the stator lami ...
Page 12: ... the connections should be well insulated Assembly Prior to assembly clean all parts carefully especially 0 ring grooves and mating surfaces Grease or oil 0 rings to eliminate damage during assembly Lubricate screw threads to protect them and to simplify future disassembly Stator Unit Contactor and Main Cover Grease and mount the 0 ring in the upper bearing seat Connect all stator leads to the con...
Page 13: ... the oil casing and all sealing surfaces thoroughly Remove burrs and scratches Pack the ball bearing up to 2 3 of its volume with a ball bearing grease e g Shell Alvania Grease 3 or SKF Alfalub LGMT 3 1 Mount the washer in the bottom of the bearing seat on the circlip Heat the bearing seat with LP gas to about 150o C 340o F and mount the bearing in the seat Mount the nilos ring and circlip on top ...
Page 14: ...nd mount the stationary ring with 0 ring part No 00461 Push it down to the bottom of the seat with tool part No 00478 Push the rotating part of the secondary seal onto the shaft with tool part No 00472 Mount lock washer included part No 00471 using the same tool Push the tool down to its stop against the shaft end Shaft seal should then be fully seated 00478 ...
Page 15: ...il casing check that the wear plate is sealed tightly against 0 ring Grease and mount 0 ring in casing and assemble wear plate with washers and stud bolts Mount the rubber covers on the stud bolts and over the knobs on stator housing and oil casing Grease and mount a new 0 ring included in new replacement seal on the shaft Oil the sealing surfaces of the mechanical seal and carefully push the rota...
Page 16: ... 90 liters 1 qt Tighten the oil plug using a new 0 ring Diffuser and Outer casing Insert the coil springs onto the stud bolts P 2001 3001 Mount the diffuser on the stud bolts and screw one nut onto each stud bolt Grease and mount the O ring on the main cover Also grease the outer diameter of the diffuser Push the outer casing over the diffuser towards the main cover and check that the O ring is no...
Page 17: ...cable to power supply and start the pump Check the direction of rotation Seen from above the pump should make a counter clockwise jerk If possible operate the pump in water and measure the head against a PSI gauge Measure the PSI and use formula Feet PSI X 2 31 Check against pump curve it should be close to max lift ...
Page 18: ...e the pro mised high head That the diffuser is correct installed parallell can be checked by measuring the distance from the guide vane up to the motor The distance between the upper side of the impeller and the guide vane is adjusted by shims 00179 to about 1 to 1 5 mm Please note that the shaft key 03149 should be fitted after the shims The washers 03121 six pcs are placed on the stud bolts and ...
Page 19: ...01 58 0308 Eng Digital 19 22 1 15 2 3 4 62 8 14 16 17 22 62 24 33 34 35 37 38 39 40 41 49 67 62 64 73 62 73 21 36 20 63 18 23 19 13 12 29 30 31 32 31 43 44 45 47 54 55 56 50 57 58 57 66 60 71 25 26 27 28 11 42 46 Oil 45 72 Motor 7 9 61 70 68 69 59 74 10 51 52 53 6 5 ...
Page 20: ... F1 7 8 6 5 4 3 2 L3 L2 F0 L1 1 THERMAL PROTECTION MOTOR TERMINAL BOARD Yellow Green BLUE BLACK GREY GREEN YELLOW BROWN RED Y Ä Y FSV 82 Ä FSV 82 Y Ä 8 7 6 5 4 3 2 F0 F1 350074AA 1 L1 L2 L3 THERMAL PROTECTION MOTOR TERMINAL BOARD Yellow Green BLUE BLACK GREY GREEN YELLOW BROWN RED 350071 AC 350072 AC 350073 AA 50 60 Hz ...
Page 21: ...ntacts Terminal board Cable 9 leads Star delta starter BLUE BLACK GREY GREEN YELLOW BROWN RED V2 U2 W2 W1 V1 U1 Y 1 9 350768 AC E C B E Auxiliary L1 L1 N C Main G 230 V Option G C E B WHITE BLUE RED BLACK 1 350077 AB 350078 AA BLACK RED BLUE WHITE B E C G Option 230 V G Main C N L1 L1 Auxiliary E B C E GUL BRUN RÖD ORANGE XENON DT230 SK DK 355349 AA 1 10 50 60 Hz ...
Page 22: ... 22 13 12 11 14 2 1 3 4 5 6 7 8 9 460 V serie Y GR A2 2 4 6 1 3 5 A1 460V 7 1 8 2 9 3 4 5 6 230 V GR Y parallell A2 2 4 6 1 3 5 A1 230V Option A1 1 A1 Option 1 353687 AA 350766 AD 351039 AC serie Y 460 V Y parallell 230 V 351041 AC 1 115 V 1 230 V 1 115 V 1 230 V 60 Hz 230 460 V 1 115 230 V ...