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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
)
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
)
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
:
(
Belt too small for
:
:
(
Belt too small for
:
:
Quincy Compressor-QGB
Section VIII - Troubleshooting
c
heck machine comPonents and guards
,
,
mounts
motor Pads
Bushings
,
framework for staBility
.
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
.
and direct sunlight
r
.
etension Belts
r
.
ePlace sheaves
™
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,
motor
,
Brackets and
ProPer maintenance
.
.
.
.
.
.
.
.
. a
void heat
79
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Troubleshooting
