4
Fault Finding
No. Cause
Remedy
8
Incorrect pump direction of rotation Carry out the electrical connection so that the
direction of pump rotation matches that of the
arrow on the flange cover, see
on page
.
9
Differential pressure too high
Check the system and reduce the differential
pressure.
Increase the temperature of the liquid
- or -
10
Viscosity of the pumped liquid too
high
Reduce the rotation speed.
Decrease the temperature of the liquid
11
Viscosity of the pumped liquid too
low
- or -
Increase the rotation speed.
Test the pipe system for ingress of air and replace
parts if necessary.
Reduce the suction head
- or -
12
Airlock or gas in the liquid
Increase the inlet pressure.
Ensure that the motor voltage and frequency match
the operating voltage.
13
Motor running at wrong voltage or
frequency
Compare the speed of the motor with the pump
communication plate. If the data does not match,
adjust the speed of the motor.
14
Pressure relief valve opens during
normal operation
Reduce operating pressure.
15
Pressure relief valve leaks
Clean the pressure relief valve and reseat if
necessary.
Check screw set and housing and replace the
pump if necessary.
16
Advanced wear of rotating pump
components
Replace the seal and check the pumped liquid for
abrasive content.
17
Advanced wear of sealing surfaces Support the weight of the pipe system.
18
Pump distorted
Loosen pipework connections and mount
stress-free, see
7.3 Piping on page 43
.
Provide a flexible bearing arrangement for the
pump unit
- or -
19
Resonance in the system
Make the connections with hoses.
Set the flow speed in the suction pipe so that it
does not exceed 1 m/s.
20
Speed of flow in suction or pressure
pipe too high
Set the flow speed in the pressure pipe so that it
does not exceed 3 m/s.
21
Ball bearing damaged
Replace the ball bearing, see
5.7 Replacing the
mechanical seal and ball bearing on page 29
.
22
Lack of lubrication or foreign bodies
have caused superficial damage to
rotating pump components
Check the screw set and the housing. If necessary
replace the pump with free shaft end.
23
Dry running has damaged the shaft
seal
Replace the shaft seal, see
mechanical seal and ball bearing on page 29
When starting up the pump, pay attention to
venting.
20
495
Содержание S946
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Страница 11: ...S and P Flex Separation Safety Printed Book No Feb 2008 584610 02 V 1 11 ...
Страница 31: ...S Flex Separation System Description Printed Book No Jul 2010 584621 02 V3 31 ...
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Страница 44: ...2 THE PROCESS S FLEX SEPARATION SYSTEM DESCRIPTION 10 584621 02 44 ...
Страница 45: ...S and P Flex Separation Operating instructions Printed 03 2014 Book No 584612 02 rev 8 45 ...
Страница 96: ...S Flex Separation Parameter List Printed 10 2014 Book No 584613 02 rev 8 96 ...
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Страница 113: ...S Flex Separation Alarms and Fault Finding Printed 07 2014 Book No 584614 02 rev 6 113 ...
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Страница 150: ...150 MAN Managua LO S946 Module 4500968861 10 to 80 Mat Nr 11 63010 0244 ...
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Страница 201: ...4 Specifications 104 5 2 Lifting Single Module with Electric Heater 201 ...
Страница 208: ...6 Commissioning and Initilal Start 114 6 2 Initial Start up 208 ...
Страница 213: ...Separator Manual High Speed Separator S 946 Specification No 881203 05 02 2 Book No 9006919 02 rev 3 213 ...
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Страница 230: ...2 Safety instructions 230 ...
Страница 252: ...5 Operating instructions 252 ...
Страница 285: ...6 Service dismantling assembly 285 ...
Страница 390: ...7 Fault finding 390 ...
Страница 420: ...S 946 Specification No 881203 05 02 2 Book No 9007138 02 Rev 4 420 ...
Страница 424: ...14 2Hydraulic tool 46 15 Motor service kit 48 16 Motor service kit 50 17 Cross reference list 52 4 424 ...
Страница 435: ...2 1 Driving device vertical 2 Machine bottom part 16 2 1 4 14 17 3 6 7 8 5 15 9 10 13 11 2275B 15 435 ...
Страница 437: ...2 2 Monitoring kit for speed 2 Machine bottom part 1 6 5 3 1904E 17 437 ...
Страница 441: ...4 Inlet and outlet device 20 19 1 17 16 3 5 6 24 27 25 C A B 4 18 9 8 26 10 7 15 14 11 A D C E B 2052T 21 441 ...
Страница 443: ...5 Belt driving device 1524E 23 443 ...
Страница 445: ...5 1 Centrifugal clutch 5 Belt driving device 1523D 25 445 ...
Страница 447: ...6 Set of plates 2161E 27 447 ...
Страница 449: ...7 Monitoring kit for vibration 1769F 29 449 ...
Страница 451: ...8 Set of tools 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A A B A 17 A B 18 19 A B C E D 16 20 2043D 31 451 ...
Страница 453: ...9 Inspection kit 3 2 4 1 5 6 8 7 21 22 13 16 13 11 10 9 12 23 19 20 17 18 24 25 29 26 27 27 2551D 33 453 ...
Страница 455: ...10 Overhaul kit 18 20 12 8 6 9 5 4 31 29 3 2 11 17 19 16 15 14 13 30 1 27 28 24 23 22 22 25 26 7 2637A 35 455 ...
Страница 457: ...11 Lifting tool 1686E 37 457 ...
Страница 461: ...13 Cover interlocking kit 1 2 3 4 5 1769E 41 461 ...
Страница 463: ...14 Hydraulic tool kit 1 3 2047D 43 463 ...
Страница 465: ...14 1 Hydraulic components 14 Hydraulic tool kit 1 2 2050A 45 465 ...
Страница 467: ...14 2 Hydraulic tool 14 Hydraulic tool kit 2047A 47 467 ...
Страница 469: ...15 Motor service kit 2585B 49 469 ...
Страница 471: ...16 Motor service kit 2585B 51 471 ...
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Страница 483: ...1 EC Declaration of Conformity 483 ...
Страница 485: ...2 Warning signs in text 485 ...
Страница 493: ...3 Function Description 493 ...
Страница 497: ...4 Fault Finding 497 ...
Страница 511: ...6 Technical Data 6 4 1 Dimension drawing of ALP pump and pump unit X027341A 36 511 ...
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Страница 551: ...HEATING SYSTEM KIT 5 TECHNICAL DATA 20 9007143 02 551 ...
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Страница 599: ...12 584692 02 2 SPARE PARTS SLUDGE REMOVAL KIT COMPONENT DESCRIPTION 2 Spare Parts 599 ...
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Страница 612: ...2 Sludge removal kit 2200H 13 612 ...
Страница 614: ...3 Sludge removal kit 2205M 15 614 ...
Страница 616: ...3 1 Sludge outlet S 821 S 836 3 Sludge removal kit 2219L 17 616 ...
Страница 618: ...3 2 Sludge outlet S 881 S 886 3 Sludge removal kit 2217E 19 618 ...
Страница 620: ...3 3 Sludge outlet S 851 S 856 3 Sludge removal kit 2223K 21 620 ...
Страница 622: ...3 4 Sludge outlet S 861 S 866 3 Sludge removal kit 2223L 23 622 ...
Страница 624: ...3 5 Sludge outlet S 871 S 876 3 Sludge removal kit 2223N 25 624 ...
Страница 626: ...4 Sludge removal kit 2205T 27 626 ...
Страница 628: ...4 1 Sludge outlet S 881 S 886 4 Sludge removal kit 2223M 29 628 ...
Страница 630: ...4 2 Sludge outlet S 881 S 886 4 Sludge removal kit 2219L 31 630 ...
Страница 632: ...5 Slugde pump T70 spare parts 2123N 33 632 ...
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