5.5.1414 DrDrivive ue unnit it / D/ Diiagagnonosisis as and nd trtrououbble le shshooototiing ng / T/ Troroububle le shshooootiting ng chcharartt
Diagnosis and trouble shootingDiagnosis and trouble shooting
Trouble shooting chartTrouble shooting chart
SSyymmppttoomm CCaauussee AAccttiioonn
The wheel has a flappingThe wheel has a flapping
sound when driving.sound when driving.
The tyre has separated as aThe tyre has separated as a
result ofresult of
impact.impact.
1.1. ChChanange tge the whe wheheelel..
2.2. ExaExaminmine the the floe floor for foror
irregularities.irregularities.
The wheel squeaksThe wheel squeaks
continuously when driving.continuously when driving.
BBeeaarriinng g iis s ddaammaaggeedd.. 11.. RReeppllaacce e bbeeaarriinngg..
2.2. InfInform orm the dthe dririvever thar thatt
cords and plastic etc.cords and plastic etc.
should be removed dailyshould be removed daily
and the floor kept clean.and the floor kept clean.
The wheel goes flat afterThe wheel goes flat after
long breaks, but becomeslong breaks, but becomes
round again after driving forround again after driving for
a while.a while.
The wheel mass has The wheel mass has becomebecome
warm while driving andwarm while driving and
deforms when parked.deforms when parked.
Try another type of wheel.Try another type of wheel.
The wheel has a deformityThe wheel has a deformity
that does not disappear whenthat does not disappear when
driving.driving.
A "blow out" has occurredA "blow out" has occurred
due to overheating anddue to overheating and
changed the molecularchanged the molecular
structure of the wheel mass.structure of the wheel mass.
Change the wheel.Change the wheel.
The truck seems to jerk wheThe truck seems to jerk whenn
driving.driving.
Hard foreign object hasHard foreign object has
fastened in the drive wheel.fastened in the drive wheel.
1.1. RemRemove ove ththe obe objecject ort or
replace the wheel.replace the wheel.
2.2. See aSee also lso the athe abovbove ite itemsems..
The truck jumps at regularThe truck jumps at regular
intervals, proportional to theintervals, proportional to the
speed, when driving.speed, when driving.
TThhe e wwhheeeel l iis s oovvaall.. 11.. CChhaanngge e tthhe e wwhheeeell..
2.2. ChecCheck/Ak/Adjusdjust t the the brakbrakes.es.
3.3. See aSee also lso the athe abovbove itee items.ms.
The wheel has transverseThe wheel has transverse
cracks and small pieces havecracks and small pieces have
fallen out of the tyre.fallen out of the tyre.
The wheel has been heated.The wheel has been heated.
Small cracks appear withSmall cracks appear with
hard acceleration andhard acceleration and
reversing.reversing.
1.1. LoweLower thr the ace acceleceleratiration on andand
reversing rate.reversing rate.
2.2. ChanChange whge wheel eel if neif necessacessaryry..
The wheel has one or moreThe wheel has one or more
small deformations.small deformations.
Locking of the brakes so thatLocking of the brakes so that
the wheel slides, or loosethe wheel slides, or loose
objects on the floor thatobjects on the floor that
prevent the wheel fromprevent the wheel from
rotating.rotating.
1.1. RemovRemove te the ohe objecbjects ts on on thethe
floor.floor.
2.2. TTell ell the the drivdriver to er to brabrakeke
more smoothly.more smoothly.
OOiil l oon n tthhe e fflloooorr.. LLeeaakkiinng g sseeaal l aarroouunnd d tthhee
drive shaft.drive shaft.
•• RRepepllaacce e sseaeall..
Or:Or:
• • if if ththerere ae are re paparalrallelel cl cracracksks
in the casting then thein the casting then the
gearbox must be replaced.gearbox must be replaced.
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