2022 Hisun 750 Afraid to drive it
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By didgeridoo
Hello, All! I've decided to replace the traction batteries in my 2018 Sector E1 with a 48V Lithium set. They may be expensive, but I figure the Discovery Dry Cell are, too. I am not looking for the max driving range, as I have never received near the brochured range to begin with, but a good mix of charge/ get work done/ charge is what I am expecting.
I have settled on the 48V EAGL kit from bigbattery dot com. Each battery pack provides 30Ah. The kit ships with a charger, as well. The packs would be physically connected in parallel (using a busbar) to one another, maintaining the 48V voltage, but together would be able to provide the amp draw the buggy pulls when going up hill or towing a rake (rated 320 max continuous Amps). This is in comparison to the serial connection the eight 6V lead batteries. Each of the EAGL batteries looks to have its own BMS; am I correct in thinking I will have to use their included charger rather than (simply) changing the onboard charger to lithium mode? The chemistry of the pack is LiFe PO4, for what it's worth. I haven't torn anything apart yet (to diagram), so I am not sure how the dash will interpret the AMP draw, but the kit I am looking at includes a dash mounted charge indicator.
If anyone has completed a similar conversion, do you have any tips? Specifically, how did you remove the original batteries, and how did you secure the new ones? I am guessing that almost any change from the stock batteries would involve at least some modifications. Any tips would be appreciated, especially things I may have failed to consider. Thanks!
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By redneckred
I have a 2012 Bennche Bighorn 700X. I bought it used. It had been sitting in a field for several years untouched. I put a new sun gear in the shifter, new shifter linkage due to the old one having been patched, and a new battery (and of course fresh fuel). The machine cranked and ran beautifully. I had it over a year and then the machine quit running. As it would not stay cranked, I narrowed the problem down to a bad IAC valve. I replaced it and it ran as good as new/old. Fast forward, the machine started to act like reverse wasn't catching and would not always back up when in gear. Then forward quit. I assumed a bad CVT belt and got one. Started removing the bolts from the cover and (3) just turn in the housing without coming loose. (2) are on the bottom, so very little room to do anything with them. I tried cranking the machine again to see the belt move since I can move the cover enough to see the belt and now the machine will not crank. It turns over fine. It gets gas to the injector and has spark. I can spray cleaner down her throat and she would run until it ran out. I have replaced the IAC twice and put a new injector with no change. I went out and put the old injector back in to see if that made any difference and, well, it did. I tried to crank the machine and the starter is stuck trying to turn the machine over even with the key off. I have to disconnect the battery to stop it. Before I shoot this thing, what am I missing? Is this an ECM problem or something else I am not seeing? Been dealing with these Gremlins for over a month now and weeds are starting to overtake the motor due to it not moving. I would love to get the thing running first and any ideas of getting those CVT cover bolts out would be extremely helpful. Thanks in advance.
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By John M in Louisiana
Quick question about replacing the plug. One of the prongs pulled out, so I'm thinking it will be an easy fix to connect the old cord with a new plug but I'm unsure about the specs. 15amp 125v? Is it more complicated than that? I do plan to buy a plug that's water tight.
Thanks in advance!
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By A P
Hi
I have a 2022 hisun sector eps 550. 30amp fuse is blown for eps. Checked the motor and it’s fine. Opened up the controller and found a bad diode. Dealer wanted 500$ for the controller. Just posting this in case it helps someone. I couldn’t read numbers from the old one so just took a guess and replaced it with a 100v 3amp diode.
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By John Gubancsik
I started my UT400 but forgot to buckel my seat belt. It bogged down and then died. Only way I could restart it was to press the gas pedal and if I let up on it, it stalls. Any suggestions? Thanks.
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