General Maintenance - Delta mDrive User Manual

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GENERAL MAINTENANCE

Although some service and maintenance can and should be performed by the owner,
and require no special tools or knowledge beyond what is presented in this manual, we
recommend an annual inspection once a year by certified bicycle mechanic to maintain
and preserve the electric bike's condition. The annual inspection must include a check of
the electrical connections.
After every long or hard ride or after every 10 to 20 hours of riding:
Squeeze the front brake and rock the bike forward and back. Everything feel solid?
If you feel a clunk with each forward or backward movement of the bike, you
probably have a loose headset. Have a certified bicycle mechanic check it.
Lift the front wheel off the ground and swing it from side to side. Feel smooth? If
you feel any binding or roughness in the steering, you may have a tight headset.
Have a certified bicycle mechanic check it.
Take a hold of one pedal and rock it toward and away from the centerline of the
bike; then do the same with the other pedal. Anything feel loose? If so, take it to a
certified bicycle mechanic for inspection.
Inspect your brake pads, if they are starting to look worn or not in contact with
the wheel rim on your disc brakes are squealing and not stopping you efficiently,
consult a certified bicycle mechanic for adjustments and/or replacements.
Carefully check the control cables and cable housings for rust, kinks or fraying.
Consult a certified bicycle mechanic for replacements.
Squeeze each adjoining pair of spokes on either side of each wheel between your
thumb and index finger. Do they all feel about the same? If any feel loose, Have a
certified bicycle mechanic check the wheel for tension and trueness.
Check the tires for excess wear, cuts or bruises. Have a certified bicycle mechanic
replace them if necessary.
Check the wheel rims for excess wear, dings, dents and scratches. Consult a
certified bicycle mechanic if you see any rim damage.
Check to make sure that all parts and accessories are still secure, and tighten any
which are not.
Check the frame, particularly in the area around all tube joints; the handlebars; the
stem; and the seatpost for any deep scratches, cracks or discoloration. These are
signs of stress-caused fatigue and indicate that a part is at the end of its useful life
and needs to be replaced. Consult a certified bicycle mechanic for replacements.
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Bm1000

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