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I just want to correct myself on this. Having opened the backpack up and seen the parts inside, coupled with the fact its all put together ready to use and comes with a warranty from a reputable supplier I think I was wrong here. The parts to build a window cleaning trolley wouldn't be as high quality and would cost only a fraction less than a backpack does.All of the backpacks on the market just look like cheap Chinese tat that will give me the same issues
Thanks to @Alex Gardiner for sending out the parts as offered earlier in the thread. I know they aren't expensive bits but without your kind offer I wouldn't have ordered them until I next place an order. Thankfully my backpack is now back to 100% functionality.
Opened mine yesterday, really easy to get into. Everything is relatively simple to access. It would appear the switch wasn't the issue stopping it from working (Although it did need replacing) but the wire to the negative terminal had snapped off. I haven't used a soldering iron since I was at school but even I managed it.A backpack is just like a van mount in that it's a pump a d a battery, some wires and a switch or two in a plastic casing.
Me too. When my van broke last year I just loaded the car with a backpack and some water containers and carried on. In retrospect the title of the post should have been ''Need something more hardwearing than a backpack'' or ''something that carries more water''.i must admit backpacks have got me out of a tight spot in the past when ive had various van breakdowns etc and allowed me to keep on working albeit on a limited basis.....
I am going to go ahead with a trolley build. For £120-130 it would be useful. With a trolley system you can carry 50 litres of water, this will be handy for the back of some of the properties I have. If I have 3 or 4 houses in a row I could get through them with 50 litres and leave the van locked at the front. It also removes the need to wind in loads of hose. It would also be good to just chuck some pre-mixed chemicals on a trolley instead of worrying about rinsing out etc.