Section VIII - Troubleshooting
Unusual Vibration (continued):
l
oose
drive
comPonents
Severe or Abnormal Belt Wear:
W
ear
on
top
oF
Belt
:
r
uBBing
against
guard
W
ear
on
top
corners
oF
Belt
:
i
ncorrect
Belt
to
sheave
fit
(
Belt
too
small
for
groove
)
W
ear
on
sideWalls
oF
Belt
:
B
elt
sliP
m
isalignment
w
orn
sheaves
i
ncorrect
Belts
W
ear
on
Bottom
corner
oF
Belt
:
i
ncorrect
Belt
to
sheave
fit
(
Belt
too
small
for
groove
)
w
orn
sheaves
W
ear
on
Bottom
surFace
oF
Belt
:
B
elt
Bottoming
on
sheave
groove
w
orn
sheaves
d
eBris
in
sheaves
u
ndercord
cracking
:
s
heave
diameter
too
small
B
elt
sliP
i
mProPer
Belt
storage
u
ndercord
or
sideWall
hardening
:
B
elt
sliP
w
orn
sheaves
c
heck
machine
comPonents
and
guards
,
motor
mounts
,
motor
Pads
,
Bushings
,
Brackets
and
framework
for
staBility
,
ProPer
maintenance
and
ProPer
installation
.
r
ePlace
or
rePair
guard
.
u
se
correct
Belt
to
sheave
comBination
.
r
etension
Belts
.
r
ealign
and
retension
drive
.
r
ePlace
sheaves
.
r
ePlace
with
correct
Belt
set
.
u
se
correct
Belt
to
sheave
comBination
.
r
ePlace
sheaves
.
u
se
correct
Belt
to
sheave
comBination
.
r
ePlace
sheaves
.
c
lean
sheaves
and
imProve
shielding
.
u
se
correct
Belt
to
sheave
comBination
.
r
etension
Belts
.
d
o
not
coil
,
kink
or
Bend
Belts
. a
void
heat
and
direct
sunlight
.
r
etension
Belts
.
r
ePlace
sheaves
.
Quincy Compressor-QGB
™
79
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