27
TROUBLESHOOTING
TROUBLESHOOTING
PROBLEM
POTENTIAL
CAUSE
CORRECTION
Ab
nor
ma
l vibr
ation
Pr
esen
ce
o
f de
br
is in
the
syste
m
Remo
ve
any
d
eb
ris
that
could
pre
vent
proper
operation of
the
syst
em
Sev
er
e
a
nd
l
oc
aliz
ed
w
ea
r
o
n
a
w
he
e
l
(fla
t
spot
)
Rep
lace pa
rt
F
ro
ze
n s
pr
oc
ke
t o
r
wh
ee
l
Remo
ve
ice
/sno
w
bu
ild-
up.
S
to
rin
g
th
e
veh
icle
at
temp
e
ra
ture
s
high
er
th
an
0°
C
m
igh
t
b
e
re
qu
ir
ed
.
An
o
pt
ion
a
l
S
pr
o
cke
t
Scra
per
k
it
is
availa
ble.
C
on
ta
ct
C
usto
mer
Service.
Beginning of derailing
Che
ck
tensio
ner
a
lig
nme
n
t.
M
ak
e
sur
e
t
hat
the
trac
k
is
w
ell
guided
by
the
wheels
a
nd
tra
ck
guid
e
. Re
a
lign
T
ra
ck
System
if
ne
ed
ed.
Che
ck
we
ar
on
whee
ls,
tra
ck
gu
ide
an
d
tra
ck
dr
ive lug
s
Pr
esen
ce
o
f
dir
t
between
w
hee
l
hu
b
an
d
tra
ck
system
hub
cou
ld
ca
u
se
incor
re
ct
seating
of
m
ating
surfaces
w
hen
ins
talling
track
sy
stem
Remo
ve
system
an
d
cle
an
co
ntact
su
rfaces
be
twe
en hu
bs
Dam
age
d Hub or
wh
eel b
ear
in
g
Rep
lace da
mag
ed be
ar
ing
Wh
ee
l
Hu
b
o
r
tra
ck
sys
tem
h
u
b
d
ef
or
m
ed
follow
ing an impac
t
or abusive use
Rep
lace de
fo
rme
d pa
rt
Unstab
le beh
avior
Incorrect
adjust
men
t of angle of att
ac
k
A
d
ju
st
a
ng
le
o
f
a
tt
ac
k a
cc
o
rd
in
g
to
m
an
u
fac
tu
re
r's
sp
ecif
ica
tio
ns.
(R
ef
er
to
Adjustments
section
in
User
M
anu
al
)
T
rac
k t
en
sio
n
to
o
hig
h
A
d
ju
st
t
ra
ck
t
e
ns
io
n
. (
R
ef
er
t
o
A
djustment
s
section in
User Ma
nu
al
)
Misalignment
of
T
rac
k Sy
stem
Co
rr
ec
t
alig
n
m
e
n
t.
(R
ef
er
to
A
djustment
s
section in
User Ma
nu
al
)