Thread: Basic Pump Operations!
04-23-2004, 02:56 PM #1
- Join Date
- Jan 2003
Basic Pump Operations!
Question in a basic pump operators class-
After the operator engages the PTO- The very next step:
Open the Tank to Pump & Tank Fill to run off of pump.
and now to run off of hydrant close the tank to pump.
or is there a faster more effective way. this is for a
first basic pump class. Thanks any in put is helpful...
04-23-2004, 09:13 PM #2
- Join Date
- Jul 1999
- Rural Wisconsin, Retired from the burbs of Milwaukee
After you engage the pump, if you intend to initially run off from tank water, open the tank to pump valve and then open the lines you intend to flow. Unless you will be sitting for long periods of time not flowing water at this point there is no benefit to having the pump to tank valve open and in fact, it may make it hard for you to build pressure if the fill line is big enough. If you will be sitting for long periods in between actually flowing water, such as in an overhaul situation, then it would be benificial to have the pump to tank line open so as not to overheat the pump.
The switch over from tank water to hydrant water involves opening the intake, adjusting your throttle down, if you don't have a pressure governor, and closing the tank to pump valve. Then as soon as possible open the pump to tank valve to fill the water tank back up.
Hope this helps,
04-27-2004, 01:17 PM #3
Keeping it Simple
If you're teaching a BASIC pump class remember to keep it simple! I always use acronyms when teaching to those who have never been pump operators before. Obviously, after covering how the pump is built, including diagrams on operations, a very little about friction loss, and so on, I go straight into the actual operation. If they can remember the acronym and can read, they should have very little problems. Here's the BASIC pump operation steps AFTER engaging the pump
When We Come To Rescue Mom
1. When = Water in! either from the tank or another source, you first must have water going into the pump!
2. We = Water out! Once you get water into the pump, send it out via a discharge!
3. Come = Calculate friction loss!
4. To = Throttle! Adjust your throttle to meet the pressure you just calculated, this could mean throttle up for tank ops, or throttle down when switching to hydrant ops
5. Rescue = Relief Valve! Set that to your highest calculated line pressure
6. Mom = Monitor! you're pretty much done, now just monitor your pump panel for any changes.
Now if you start with a tank operation then switch to a hydrant operation you basically start the acronym over, (without shutting down the current operation of course) but when it boils down to it the only thing that will change is where the water in is coming from therefore opening the intake valve, and closing the tank valve, water out will be the same, calculations should stay the same, throttle, will most likely have to be adjusted, and all else stays as it is.
Hope this helps! It's just a little deal that I was taught at a very young age and still use it today for teaching.COFire
PROTECTING THOSE WHO DEFEND AMERICA ===================================
05-05-2004, 01:03 PM #4
- Join Date
- Nov 2000
Just one thing the pump operaters in my dept. do when they switch from tank to hydrant is to top off the tank water. This way if the hydrant or supply line malfunctions they have a full tank of water to hold them over. You never know when something might happen to your water supply.
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