Troubleshooting Guide - Mongoose Netflix Stranger Things El Manual Del Propietario

6 Maintenance

TROUBLESHOOTING GUIDE

Problem
Slipping chain • Excessively worn/chipped chain wheel or freewheel sprocket
• Chain worn/stretched
• Stiff link in chain
• Non compatible chain/chain wheel freewheel
Chain jumping off • Chain wheel out of true
freewheel sprocket
• Chain wheel loose
or chain wheel
• Chain wheel teeth bent or broken
Constant clicking • Stiff chain link
noises when
• Loose pedal axle/bearing
pedaling
• Loose bottom bracket axle/bearings
• Bent bottom bracket or pedal axle
• Loose crankset
Grinding noise when • Pedal bearings too tight
pedaling
• Bottom bracket bearings too tight
Freewheel does not • Freewheel internal pawl pins are jammed
rotate
62
Possible Cause
teeth
Remedy
• Replace chain wheel, sprockets and chain
• Replace chain
• Lubricate or replace link
• Seek advice at a bicycle shop
• Re-true if possible, or replace
• Tighten mounting bolts
• Repair or replace chain wheel/set
• Lubricate chain/adjust chain link
• Adjust bearings/axle nut
• Adjust bottom bracket
• Replace bottom bracket axle or pedals
• Tighten crank bolts
• Adjust bearings
• Adjust bearings
• Adjust chain line
• Lubricate. If problem persists, replace
freewheel