Building spray rig from 275g IBC tote

[HCJtractor]

Sorry to be unorganized , but found other pix in case it helps.















Food plot was one pass of herbicide

 

[California]

Here's the first half of a solution for a spray trailer: An IBC tote is a perfect fit on Harbor Freight's little 40" x 48" trailer. This one cost me $30 used. Three summers use so far, and even though it's grossly beyond the rated weight capacity, the only repair it has needed was to stiffen the tongue. (You don't need a highway-quality safety margin in this application).

This is for watering new trees, not spraying, so I need volume instead of pressure. There's a HF 12 volt sump pump inside, suspended from its discharge hose through the top opening. This discharges 15 gpm at negative 1.5 ft lift.

I wired this pump with household extension cord that already included a touch on/touch off switch. I put the switch near the steering wheel so I can hold the wand in one hand and press the switch with the other hand.

Hope this gives you some ideas!

 

[farm boy00]

U could do for the power supply is rig it to the center hot on your 7 way trailer plug for the truck

 

[HCJtractor]

U could do for the power supply is rig it to the center hot on your 7 way trailer plug for the truck[/QUOTE

Do you think the wiring leading to that is heavy enough to handle that amperage? I if so, how is that wired? I assume two wires, one to the hot and another grounded to the chassis????

 

[farm boy00]

Last i knew it was just one big wire running from the battery to the plug,no ground. I'm sure it would be heavy enuff cause it is made for power for dump trailers. What u could do is craw under your truck and see how big the wire is and if u can't tell get me a good pic of the wire

 

[countrybumpkin]

Not sure what year and make truck you have , or if it has a factory wired seven way rv plug or not, but if it does the battery charge circuit will be fused and you need to check what amp it is. Then look at amp draw of the pump you decide to use, that will give you a idea if the circuit would run the pump or not, I have never looked at amp draw on those types of pumps so I couldn't even make a guess as to what they would pull. If it were me I would mount a battery on the skid unit, and run a charge and ground from the battery to the trailer plug to keep the battery charged. As for turning the pump on and off you could use a cheap wireless 12 volt switch. They have a key fob that you can turn on and off a 12 volt circuit from several feet away, has a control unit that would mount on the skid unit and wire the pump into, again have to check amp draw to see if the switch will handle the pump draw with out any added relay. It's really not as complicated as it sounds and would be a nice skid unit that could be set in and out of any truck or even on a trailer if need be.

HCJtractor's setup is a nice little setup, and would give years of service.

 

[countrybumpkin]

Something like this here.

 

[BukitCase]

HJC, I'm curious - how long have you been using your rig, and have the pipes/fittings plugged up or fallen off yet?

Not trying to be s-a here, it's just you seem to have a mix of brass, bronze and galvanized that the chemicals go thru - that's why the small rig I built for one of my riding mowers got all PVC and poly except where I couldn't find it in fittings I needed - I spent 35 years in industrial instrumentation, and we NEVER mixed metals because of electrolysis... Steve

 

[HCJtractor]

No offense taken. I'm not an engineer or chemical expert. Used it for three years. Only spray Roundup . And of course I flush it good after use. Never had any issue at all. I mainly just pieced it together from what I could find locally. Never thought about mixing metals.

 

[HCJtractor]

Something like this here.

Yes. I used that exact switch. It really gets hot and failed. So now I just use my alligator clip and connect / disconnect. For my use that's fine as I spray large areas. But if I wanted a better switch, I would just buy a little heavier duty one. Haven't done that yet.