bcjm December 31, 2009 December 31, 2009 (edited) My little giant pump (4MDQX-SC) wouldn't start after I shut it off to do a water change. Maybe it is because it is getting weak. I can hear the motor making sound when plugged in but wouldn't turn over. Is there a way to get it starts? Does anyone can loan me one for the time been? Thanks Bob Edited December 31, 2009 by bcjm
extreme_tooth_decay December 31, 2009 December 31, 2009 My little giant pump (4MDQX-SC) wouldn't start after I shut it off to do a water change. Maybe it is because it is getting weak. I can hear the motor making sound when plugged in but wouldn't turn over. Is there a way to get it starts? Does anyone can load me one for the time been? Thanks Bob Do you need to prime it?
bcjm December 31, 2009 Author December 31, 2009 Do you need to prime it? It never needs to and the water is still in the hose so I assume it is primed.
reefhunter December 31, 2009 December 31, 2009 sounds like there is air in it and it is spinning... ?
dbartco December 31, 2009 December 31, 2009 could also give the impeller a little spin to get it going. might have a dead spot in it. - and buy a back up. Many sell for about $60 on here..
ReeferMan December 31, 2009 December 31, 2009 could also give the impeller a little spin to get it going. might have a dead spot in it. - and buy a back up. Many sell for about $60 on here.. THIS WORKS ANYTIME MY PUMP DOES THIS. TAKE A SCREW DRIVER AND GIVE IT SOME HELP
bcjm December 31, 2009 Author December 31, 2009 I took the pump apart. Nothing blocks the impeller. I definitively need a new pump. Wonder who carry the pump locally.
davelin315 December 31, 2009 December 31, 2009 Some of the Little Giants need to be oiled periodically. Once it's started it will stay going, but it needs a little help as it gets older and the drive shaft itself gets dirty. I would take a screwdriver to the fan end and carefully spin it until it gets going. Be careful, though, the fan blades bend very easily. I think the solution to this problem is to simply take the whole pump apart and clean the motor, not the impeller housing itself, that is usually not the problem with these.
jason the filter freak January 1, 2010 January 1, 2010 If you can find a back up or alternatives I've rebuilt seized pan world, iwaki, and sequence pumps i may be able to help you with yours
bcjm January 1, 2010 Author January 1, 2010 If you can find a back up or alternatives I've rebuilt seized pan world, iwaki, and sequence pumps i may be able to help you with yours I changed to an internal water pump for now while looking for an external one. How do you rebuild the pump? I thought it can't be opened.
jason the filter freak January 1, 2010 January 1, 2010 ill attempt to make a photo thread, they are certainly not easy to open, it requires a good set of tools, a steady hand, and a head for mechanical things.
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