Mongoose BMX - Troubleshooting Guide

6 Maintenance
60
INFLATING THE TIRE TUBEHUB BEARINGS

Hubbearingsrequirespecialthinwrenchescalled cone
wrenches.Ifyoudonotownthesetools,donotaempthub
bearingadjustments.Haveaqualiedbicyclemechanicperform
theadjustmentifyouhaveanydoubts.
❶Checktomakesureneitherlocknutisloose.
❷Toadjust,removewheelfrombicycleandloosenthelocknut
ononesideofthehubwhileholdingthebearingconeon
thesamesidewithaconewrench.
❸Rotatetheadjusngconeasneededtoeliminatefreeplay.
❹Re-ghtenthelocknutwhileholdingtheadjusngconein
posion.
❺Re-checkthatthewheelcanturnfreelywithoutexcessive
sideplay.
Follow these steps to inate a re:
❶Removethevalvecapandaddair.
❷Besurethereisevenlyseatedontherim,bothsides.
❸Spinthewheelandcheckforhighandlowareas.
❹Completeinaontotherecommendedpsifoundonthe
sidewallofthere.
❺Besurethereisevenlyseatedontherim,bothsides.If
 not,releasesomeairandrepeatstepsthreethroughsix.
❻Checkfordirtinthevalvecaporstem.Cleandirtfromcap
orstem.
❼Securelyreplacethevalvecaponthestem.
• Anunseatedrecanruptureunexpectedlyandcause
seriousinjuryordeath.Besurethereisproperlyseated
wheninangthetube.
• Overinaonorinangthetubetooquicklymayresult
inthereblowingotherimanddamagingthebicycleor
causinginjurytotherider.Alwaysuseahandpumpto
inatethetube.Do notuseagasstaonservicepumpto
inatethetube.
WARNING!