Youin BK1001, Руководство пользователя

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25 ENGLISH
Charge your batteries and make sure they are protected from water. Batteries should
be charged every 30 days to avoid capacity loss. Don’t cover the bicycle with plastic
as “sweating” will result and it may cause rusting. Please notice that your bicycle
warranty does not cover paint damage (except as outlined in the warranty section of
this manual),rust, corrosion, dry rot or theft.
Problem Possible Cause Remedy
Gear shifts not working
properly
- Derailleur
cables sticking/stretched/
damaged
- Front or rear derailleur not
adjusted properly
- Indexed shifting not adjusted
properly
- Lubricate/tighten/replace
cables
- Adjust derailleurs
- Adjust indexing
Slipping chain - Excessively worn/chipped
chain ring or freewheel
sprocket teeth
- Chain worn. stretched
- Stiff link in chain
- Non-compatible chain/chain
ring/freewheel
- Replace chain ring, sprockets
and chain
- Replace chain
- Lubricate or replace link
- Seek advice at a bicycle sho
Chain jumping off freewheel
sprocket or chain ring
- Chain ring out of true
- Chain ring loose
- Chain ring teeth bent or
broken
- Rear or front derailleur side-
to-side
Travel out of adjustment
- Re-true if possible, or replace
- Tighten mounting bolts
- Repair or replace chain ring/set
- Adjust derailleur travel
Constant clicking noises
when pedaling
- Stiff chain link
- Loose pedal axle/bearings
- Loose bottom bracket axle/
bearings
- Bent bottom bracket or pedal
axle
- Loose crank set
- Lubricate chain/Adjust chain
link
- Adjust bearings/axle nut
- Adjust bottom bracket
- Replace bottom bracket axle
or pedals
- Tighten crank bolts
Grinding noise when pedaling - Pedal bearings too tight
- Bottom bracket bearings too
tight
- Chain fouling derailleurs
- Derailleur jockey wheels dirt/
binding
- Adjust bearings
- Adjust bearings
- Adjust chain line
- Clean and lubricate jockey
wheels
Freewheel does not rotate - Freewheel internal pawl pins
are jammed
- Lubricate. If problem persists,
replace freewheel
Service & Maintenance Schedule
Problems and Remedy