Hidoes HD-BF1 - Page 27

23
Malfunction
Possible Cause
Possible Solution
Grinding noise when pedalling
1.Pedal bearings too tight.
2.Bottom bracket bearings too tight.
3.Rear wheel not straight.
4.Chain too tight.
5.Derailleur dirty.
1.Adjust.
2.Adjust.
3.Align so chain is straight.
4.Adjust.
5.Clean and lubricate.
Brakes not effective
1.Pads worn.
2.Pads / discs dirty.
3.Brake cables binding / stretched /damaged.
4.Brakes levers binding.
5.Brakes require adjustment.
1.Replace.
2.Clean and degrease.
3.Lubricate / adjust / replace cables.
4.Clean pivots.
5.Adjust.
Brakes squeal
1.Pads / discs dirty.
2.Brakes not centred.
Calliper fasteners loose.
1.Clean and degrease.
2.Centre brakes and adjust.
Tighten.
Brakes chatter / vibrate
1.Brake mounting bolts loose.
2.Brakes out of adjustment.
3.Steering head bearings loose.
1.Tighten.
2.Centre brakes and adjust.
3.Adjust bearings.
Wheel vibration / wobble
1.Axle bent or broken.
2.Wheel out of true.
3.Wheel hub bearings loose / not serviceable.
4.Quick-release (if equipped) mechanism loose.
1.Replace.
2.True wheel.
3.Adjust / replace.
4.Adjust.
Steering not accurate
1.Wheels not aligned to frame.
2.Steering head loose / binding.
3.Front forks or frame bent.
1.Align wheels.
2.Adjust.
3.Straighten.