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  1. I

    New "TSDZ2 Torque Sensor Central Motor"

    Raid the garden shed for old plastic plant pots. They have the right curvature for extending your mudguards and are light weight. Otherwise, ice cream tub lids can work if you heat them with a heat gun to give them a curve.
  2. I

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    I didn't know you could use a ST Link V2 to program the 850C display. I use separate cables for each - as much because I have a different connecter on the end. I'm assuming you read through this section here?: https://endless-sphere.com/forums/viewtopic.php?f=28&t=79788&start=3650 My take...
  3. I

    New "TSDZ2 Torque Sensor Central Motor"

    Is there any way to verify that the roller clutch on the blue gear is faulty? I have lost power on my motor. If I turn on walk mode then I can hear a whine which sounds like the motor spinning up. After a couple of seconds it cuts out. The teeth on the blue gear looked fine. So I took the...
  4. I

    New "TSDZ2 Torque Sensor Central Motor"

    Thanks. Good to know. It looked possible but I hadn't heard many people saying it was a successful method. I broke my second LCD3 screen a week or so ago (turned my bike upside to fix a puncture mid journey in the rain and the screen cracked) so I picked up an 850C as it was the same price as...
  5. I

    New "TSDZ2 Torque Sensor Central Motor"

    Judging by the comments here: https://github.com/OpenSource-EBike-firmware/SW102_LCD_Bluetooth/issues/35 It looks like a couple of people are having a look into it. I'm not sure if I understood the limitations, but I thought that it was possible to load the current firmware via a bootloader...
  6. I

    New "TSDZ2 Torque Sensor Central Motor"

    You will need to remove the sprag clutch if you want to replace the torque sensor. I suspect this is easier to do before taking rest of the drive unit out. The large toothed gear can be inserted by hand so although its snug, it doesn't need special fitting tools. My preferred method is to...
  7. I

    New "TSDZ2 Torque Sensor Central Motor"

    I think the heat and cool was to extract the bearing for the one way clutch. Heating and cooling is normally used for freeing stuck items rather than inserting them together You can use a home made bearing press/headset press (long threaded bolt with large washers) if you want to be very...
  8. I

    New "TSDZ2 Torque Sensor Central Motor"

    My only really reference point is the Garmin Edge software for the 705. I found that a map overlay was less useful than the turn by turn notifications that popped up to let you know when to turn as the gps wasn't detailed enough to let you know which track you were riding on where two trails ran...
  9. I

    New "TSDZ2 Torque Sensor Central Motor"

    Bearings are a maintenance part. You can open the dust shield, clean and pack with fresh grease. Looks like its worth a spray of WD40 behind the dust shield every now and again to get rid of moisture.
  10. I

    New "TSDZ2 Torque Sensor Central Motor"

    Did anybody find an acceptable spring for the torque sensor? Mine snapped whilst trying to wind back into shape and my replacement torque sensor didn't have any included
  11. I

    New "TSDZ2 Torque Sensor Central Motor"

    Wow. That's your problem then. First person who I have seen that has reported a crack in the torque sensor casing.
  12. I

    New "TSDZ2 Torque Sensor Central Motor"

    Same experience but the coil tape is fine. Managed about 20km the first time before it pulled out the plug. Rewound the springs and refitted whilst I wait for a new one from China and I got about 10km this time (loss of power on my way to work and error 2 this morning). I did notice that there...
  13. I

    New "TSDZ2 Torque Sensor Central Motor"

    A bike cover (https://www.decathlon.co.uk/protective-bike-cover-id_2556471.html) will help with rain and snow and to a limited extent with condensation too. You can get light weight versions that pack into a small bag for transporting too. However you may need to bring the bike inside to...
  14. I

    New "TSDZ2 Torque Sensor Central Motor"

    Just to check are you programming the motor controller or an lcd screen? I ask because the same device is used to program the LCD3 screen. Have you tried without an extension cable at all? You should be able to use some TE PCB connectors to plug into the motor controller. This would eliminate...
  15. I

    New "TSDZ2 Torque Sensor Central Motor"

    I remember someone asking this question before but can't remember if there was a reply. Does anyone know the specs or a supplier of the springs for the torque sensor? My motor stopped giving any power(I only have about 20 miles on it so far). Something meant that the bottom sheet of the...
  16. I

    New "TSDZ2 Torque Sensor Central Motor"

    Hitting with a hammer isn't a problem. I would remove the pedal shaft first though. There is a roller bearing in the centre of the housing that the torque sensor fits into (and spins on) and it is this that has a tight fit. If you remove the pedal shaft you can see how far onto the bearing you...
  17. I

    New "TSDZ2 Torque Sensor Central Motor"

    I wouldn't advise it a second time. I thought about it myself first time around. You are tightening against the torque sensor. That itself is floating rather than fixed tight so you risk bending it.
  18. I

    New "TSDZ2 Torque Sensor Central Motor"

    If you screw the chainset back on, you can then pull on the chain ring which is easier to hold as you can get your fingers all the way around (wrap the chain ring in an old rag first)
  19. I

    New "TSDZ2 Torque Sensor Central Motor"

    I gave up with the back and forth to china over my problem with the Torque sensor (reading about 118-120 on startup with a max value of 130 when standing on the pedals) and decided to crack it open to calibrate the torque sensor. I haven't had enough time to put the bike back together enough to...
  20. I

    New "TSDZ2 Torque Sensor Central Motor"

    Its a nice idea and well executed (looks like it takes a little ground clearance though). I seem to remember the discussion further back in the thread seemed to suggest that the internal heat wasn't reaching the case. I'd probably start by measuring the temperature inside the controller and...
  21. I

    New "TSDZ2 Torque Sensor Central Motor"

    Thanks for the suggestion. It is starting to look like something like that. Was hoping to avoid taking the whole unit apart at this point as it only turned up a week ago and although the process looks within my capabilities I'm not as time rich as I was a year ago. Was looking to go through...
  22. I

    New "TSDZ2 Torque Sensor Central Motor"

    You can get into the menu for the torque settings by holding the ? And power button for 10 seconds (like the standard option menu but for longer). I'm assuming you have the vlcd5 display here. I read that you have to go into the menu within a certain time of turning on but I'm not certain. I...
  23. I

    New "TSDZ2 Torque Sensor Central Motor"

    Okay. I think I have figured out why I only sometimes get power. It seems that if I power on at different crank alignments I get different base torque sensor readings and as I rotate the cranks then the base level changes. In my earlier testing my max rE1 I could get by standing on the pedals...
  24. I

    New "TSDZ2 Torque Sensor Central Motor"

    No problems with the speedo. Reads rock steady without jumping around (though I need to calibrate properly for wheel size as I'm fairly sure its over-reading). I shimmed the sensor closer to the wheel using a pencil to get the gap down to about 5mm as I have disc brakes, although it was still...
  25. I

    New "TSDZ2 Torque Sensor Central Motor"

    Thank you! It looks like the answer is - not directly but it is possible by disassembling and adjusting. Reading through it looks like you need the open firmware in order to get the minimum value ranges which we don't have for the stock firmware. Magic fairies seem to have gone in overnight to...
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