Teral CTF3-HOH, Инструкция по эксплуатации

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Type of noise Normal noise
Swash sound.
This is a sound that a ball rolls on la e surface.
ed on the radial direction (this is normal case),
a load is placed upon and removed from each ball one by one.
On each border line, a sound comes out. This sound occur on low revolution but
it is harmless.
A retainer is an apparatus to hold balls is in their position.
A retainer rotates maintaining a small clearance between an outer ring.
And sometimes a retainer makes co tact with outer ring and makes sound
"pattering". This is an unpleasant noise but hardly to eliminate.
And it occurs on low revolution but it is harmless.
Lace noise
Roller dropping
noise
Retainer noise
Steady sound and no sudden changes.
c
c Clattering sound. When a load is pla
n
Type of noise Abnormal noise
Due to not pr e.
It is rattling or grinding sound. Wash bearing with solvent and refill
heavy noise, replace bearing.
Rust noise This is same phenomenon like a flaw noise. If heavy noise, replace bearing.
This is an irregular and uncyclical sound. This is caused that slipping between a ball
and raceway or a ball and retainer, or not proper lubrication.
Replace grease with better quality grease.
Dirt noise
Flaw noise
Squeaking
oper handling grease, dirts may be mixed in greas
a
new grease.
If any scratches on ball, rattling sound comes out irregulary.
If any scratches on inner or out ring, continuous noise comes out.
For slightly noise, refill grease but for
Normal Bearing Operating Noises
Abnormal Bearing Operating Noises
6.2 Periodical inspections
Conduct periodical inspections at least once a year.
In addition to conducting daily inspections, complete the following.
(2) Check for impeller and shaft for corrosion and wear.
t proofing etc.
6-2
(1) Check the rattle in the impeller hub and shaft.
(3) Clean the interior of the fan and repaint the rus