Troubleshooting Section

The Mc Nally Institute
GT005 Troubleshooting Section

 

 

TROUBLESHOOTING TUTORIALS

  • Pump troubleshooting,                          PT001
  • Seal troubleshooting,                             S015
  • Bearing troubleshooting,                       TBB001
  • PD pump troubleshooting                      PT016
  • General troubleshooting                        GT001
  • Leak paths in the mechanical seal,         ST002
  • Auxiliary seal equipment                       ST018-4
  • Seal repair                                              S026
  • Seal specifications, how to write them   S028

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HARMFUL PRACTICES LEADING TO PREMATURE SEAL AND BEARING FAILURE

PREVENTATIVE MAINTENANCE PROGRAMS

  • Maintenance programs M005
  • Monitoring the centrifugal pump M026
  • Predictive maintenance P027
  • PM for pumps P034
  • PM for seals    P035
  • Preventing premature seal failure P035-1

 

 

THESE ARE THE PUMPS I WILL BE REFERING TO IN THIS CD

  • ANSI pump A023
  • Centrifugal pumps C025
  • Diaphragm pump D012
  • Diffuser or turbine pump D014
  • Double ended pumps D021
  • Double suction pump DO23
  • Heavy duty pumps H013
  • High head low capacity pumps H017
  • Jockey pump J003
  • Multistage pump M030
  • Rotary or positive displacement pumps  R019
  • Self priming S033
  • Slurry pumps S062
  • Vacuum pumps V001-1
  • Vortex pump V025

 

 

WHO WILL BE DOING THE TROUBLESHOOTING?

  • Maintenance people  M031
  • Operators                   O025

TESTS YOU CAN PERFORM

  • Hydrostatic test H034
  • Net positive suction head available N001-01
  • Net suction positive head required N002-01
  • Pump performance field testing      P044-1
  • Seal face hardness testing              S010
  • Viscous fluids, measuring rate of flow V020-1
TROUBLESHOOTING PUMPS
 

  • Analyzing rub marks, PT014
  • Analyzing bearing parts, TBB002
  • Axial deflection of the shaft A036
  • Ball bearing life B010
  • Cavitation problems, PT006
  • Cavitation and high suction energy pumps C021-1
  • Cavitation, how to stop it C022
  • Cavitation resistant materials for impellers C022-1
  • Centrifugal pump modifications TN004
  • Corrosion, Stainless Steel, PT015
  • Disassembled pump troubleshooting, PT014
  • Fluid pre-rotation problem P028
  • Friction within the pump, F038
  • Galvanic series of metals and alloys  GR007
  • Heat generation inside the pump, ST006
  • High amperage pump problem, PT005
  • High temperature problems, pumps and seals H020
  • Losing the prime, PT012
  • Low head, PT004
  • Noise in the pump, N007
  • Not enough capacity, PT003
  • Not enough head, PT004
  • Operating window on the pump curve, O013
  • Power failure problem, P025
  • Pump installation recommendations P041
  • Pump standards problems P049
  • Pump technology available P050
  • Pump types P051
  • Pumping systems, recognizing problems P058
  • Priming- the pump looses its prime, PT012
  • Reversed impeller, R013
  • Reversed shaft rotation, R014
  • Rub marks in centrifugal pumps PT014
  • Rules of thumb for pumps, R023
  • Running centrifugal pump, PT002
  • Shaft breakage S041
  • Shaft deflection S042
  • Shaft deflection, how to reduce it S043
  • Stopped centrifugal pump, PT013
  • Stuffing box getting hot, ST018_2
  • Stuffing box noise, ST018_3
  • Stuffing box pressure control S098
  • Stuffing box temperature control S100
  • Suction throttling, when to use it. S115
  • Surging S116
  • Using too much amperage, PT005
  • Vibration, V016
  • Vortexing P015-1
TROUBLESHOOTING SEALS
 

  • Asperity theory/ face lubrication A031
  • Carbon, where it don’t work C011-1
  • Carbon/ graphite damage ST008
  • Cartridge seal overheating, ST020
  • Damaged bushing, ST017
  • Damaged carbon/graphite, ST008
  • Damage, S006
  • Damage, the causes & cures, S007
  • Damaged drive lugs, pins, slots, ST012
  • Damaged elastomer, ST010
  • Damaged hard face, ST009
  • Damaged metal parts, ST011
  • Damaged sleeve or shaft, ST014
  • Damaged springs, ST013
  • Damaged set screws, ST015
  • Damaged seal gland, ST016
  • Damping seal vibration D004
  • Different type of leakage ST018-1
  • Faces open ST003
  • Finite element analysis F013
  • Fretting of the shaft or and seal sleeve, F036
  • Heat generation at the faces, ST005
  • Hydrogen embrittlement H030
  • Hysteresis H035
  • Inspecting individual components, ST007
  • L3/D4 and mechanical seal failure L003
  • Life expectancy of a seal, ST001
  • Metal fatigue F008
  • No apparent cause for the leakage problem, ST019
  • Noise in the stuffing box ST018_3
  • OEM seal problems, O003
  • On a running pump, ST018
  • Operation problems, S025
  • Oversized pump problems, O021
  • Oxidizers that attack carbon, O023
  • Preventing premature seal failures P035-1
  • Rubber bellows seal problemsR022
  • Seal damage S006
  • Seal face opens, S013
  • Seal leak paths S019
  • Seal life, increasing it S021
  • Seal technology S029
  • Shaft deflection, the types, ST004
  • Slip stick, S060
  • Stainless steel discoloration, S082
  • Stainless steel corrosion C061
  • Types of leakage ST018_1
  • Vibration problems, ST018_5
  • Why lapped seal faces open, ST003