TGW CRUZbelt, Installation, Operation & Maintenance Manual

Page: 54 / 94

CRUZ
®
belt IOM
P/N: E0032544 Revision Date: 03/14/2019 Page
54
of
94
10.3: C
HAIN
& S
PROCKET
T
ROUBLESHOOTING
G
UIDE
Problem - Chain &
Sprocket Possible Cause Remedy
1.
Excessive slack Normal wear
Expect rapid chain growth in first two
weeks of operation. Check sprocket
alignment and re-tension.
2.
Sprocket loose on shaft Loose set screws
Realign sprockets with straight edge
and tighten set screws. Check for worn
components.
3.
Wear on tips of sprocket
teeth
Chain elongated Replace chain and sprockets
4.
Abnormal wear on
chain or sprockets
Excessive chain tension
Align sprockets and reduce tension to
1/4” chain slack each way of center.
Sprockets misaligned
Realign with straight edge across
sprocket faces.
Chain not adequately lubricated
Lubricate chain with approved
lubricant, wipe away excess lubricant.
Damaged sprocket or chain
Replace damaged component. Check
alignment.
Dirty chain
Clean thoroughly and use approved
Lubricant.
10.4: B
EARINGS
T
ROUBLESHOOTING
G
UIDE
Problem - Bearings Possible Cause Remedy
1.
Excessive vibration Bearing brinnelled Locate and replace
2.
Bearing runs
excessively hot
No lubrication Add approved lubricant
3.
Noise (intermittent) Loose mounting bolts Check security or mounting bolts
4.
Shaft rotation in bearing bore Eccentric locking collar or hub loose
Tighten locking collar in the direction of
shaft rotation and/or tighten set screws.
5.
Noise (low pitch) Bearing brinnelled Replace
6.
Rough spots felt when
rotated
Bearing worn Replace
7.
Bearing squeals or
Bearing has defect Replace
Bearing frozen Replace bearing or complete roller