VTP
MOTORS
MAINTENANCE
PUMP TALK
100
Rotation of a VTP is ______________.
What is COUNTER CLOCKWISE?
100
Rule of thumb, you should change motor oil every ________________.
What is REFER TO THE OWNER'S MANUAL?
100
We should check these things when diagnosing a pump system?
What is:
PSI, FLOW, AMPERAGE, VOLTAGE, HISTORY/TRENDS, LEAKS, VIBRATIONS, SOUNDS, ________?
100
TDH is _________________.
What is Total Dynamic Head?
200
Stickup refers to the measurement of the ______________________.
What is the TUBE AND SHAFT?
For DOUBLE SCORE....
This measurement is taken from ___________.
200
in motors, the 2 most common types of lubrication are ________________________.
What is OIL AND GREASE?
200
If amps are pulling MORE today than yesterday, this tells us ________________.
What is we are pumping more water?
What is the voltage has dropped?
What is there is mechanical resistance?
(NEVER disregard rotation)!!
200
Pressure _____________ as flow increases.
What is decreases?
300
Two ways to seal a VTP are _____________and______________.
What is PACKING AND MECHANICAL SEAL?
300
Motors use this kind of grease.
What is REFER TO THE OWNER'S MANUAL?
300
If amps are pulling LESS today than yesterday, this tells us ________________.
What is:
Strainer is clogged or blocked?
Filter is dirty?
Pump is worn?
(NEVER disregard rotation)!!
300
PSI X __________ = Head
What is 2.31?
400
The standard shaft thread pitch for NPC & IP is _____________.
What is 10-TPI?
400
There are ________watts in 1-HP.
What is 746?
400
This phenomenon sounds like the pump is pumping gravels.
What is cavitation?
For DOUBLE SCORE:
I do this to fix cavitation....
400
______________ is the resistance of flow to a given liquid (how "thick" the liquid is)?
What is Viscosity?
500
This measurement is referring to the distance from the BD to the pump shaft.
What is STICK DOWN?
500
The "typical" high motor temperature operation is_________.
What is 105F?
Many factors such as ambient temp, motor load, and motor winding insulation determine the variance and acceptability of higher temps.
500
The rotation of this pump is stated as _______.
What is CLOCKWISE?
500
NPSH is the acronym for _____________.
What is Not Pumping So Hot?
600
ELS VTP should receive __________DPM lubrication?
What is 20-30 Drips Per Minute?
600
This is the top common cause of motor failure.
What is HEAT?
600
Under this electrical fault should you NEVER restart a pump without having an electrician thoroughly troubleshoot.
What is PHASE LOSS?
600
TDH = __________ + ____________
What is ELEVATION + FRICTION LOSS?