Quando  II Tips
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The fact is that there are very few tips specifically for the Quando, and much of what applies to the Torq also applies to the Quando.  Here's the few I'm aware of.

Damp

One thing specific to the Quando is the possibility of it's being put on it's side, in a car for example, after folding it following a wash.  In this circumstance the cable sleeve connecting the switch with the controller can act as a conduit for drops of water to run into the controller and onto it's circuit.  When this happens, the motor might fail to work completely, or give spasmodic very noisy pulses.  When the diagnostic lights are checked, eight flashes are often seen then, but this does not indicate the listed failure.  All that is necessary is to dry out the controller, and here's the most effective way to do that.

Bring the bike indoors into a small room.  Place a fan heater about 2 feet away from the likely electrical area affected, running on 1 kilowatt or less.  Two feet away on the other side, place a dehumidifier drawing air away from the bike.  Then close the door on it.  That sets up a loop of warm air which is progressively getting more and more dry, and I've found about half to one hour usually does the trick.  A fan heater alone is nothing like as effective, so if you haven't got a dehumidifier it could be worth you hiring one from a hire centre to do the job.

Battery Choice

The Quando's speed is slightly enhanced with a Li-ion battery, but only by less than a mile per hour.  On the other hand, if you intend to carry or haul heavy loads up very long slopes or hills, you may suffer battery protection cutout since Li-ions don't like very high sustained discharges for a long time.  To avoid the inconvenience and the wait for the battery to rest, if you intend such high drain usage, NiMh is a better battery choice for you, since it will just give what it's got without complaint.

Brake Judder

The Quando can suffer the same sort of front brake judder that affects a few Torqs, and although the Diacompe levers fitted to some bikes can be implicated, I've found a change of front brake pads can be a complete cure.  The best I've found for this purpose are the Avid 20R, obtainable by any bike dealer from Fisher Outdoor.  Quote this to your dealer and give him the Fisher part number AV 191020 and he'll be able to get them promptly for you.  They are fortunately a low cost pad, but their firm material and long profile is very effective at smoothing out the braking.
quando.html
22.1.2007
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