KOJA 0603, Инструкция по эксплуатации и обслуживанию

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AIR HANDLING UNIT FUTURE
INSTRUCTIONS FOR OPERATION AND MAINTENANCE
Air flow meter FIZM
2017-02-13 V. 2.0 47
14.1.2. Belt-driven fans
Failure or problem
1. Broken belt.
2. A soft, stretching area in a belt.
3. Belt/belts turn in the grooves.
4. Drive is noisy or vibrates.
5. Belt sides wear quickly.
6. Scratched or slightly torn belt sides.
7. Soft belt sides, burnt rubber stuck in the grooves.
8. Torn and/or cracked belt sides.
9. Scratched and torn outer surface.
10. Sticky and lumpy belt surfaces, loose rubber on the belt and pulleys.
11. Hard belt surface, cracks on the bottom rubber side.
Cause Action Failure/problem
1 2 3 4 5 6 7 8 9 10 11
Loose belts Replace and tighten
according to the instructions.
X X X X X
Belts at different depths in
the grooves, worn pulleys
Replace the pulleys and
belts.
X X X X X
Belt forced in the groove Install new belts, according
to the instructions.
X X
Hard particles in the grooves Check the guards, replace
the belts.
X X
Belts unequally tensioned Follow the installation
instructions.
X X X X X
Belts are of different lengths Check the product codes,
replace the belts.
X X X X
Cracks or flaws in the grooves Replace the pulleys and
belts.
X
Belt touches fixed structures Check the space, replace
the belts according to the
instructions.
X X X
Dust gets in the drive Check the guards, replace
the belts and pulleys.
X
Drive is under-dimensioned Redesign the drive. X X X X
Pulley is too small Redesign the drive.
Replace the pulleys and
belts.
X X X X
Short belt, high speed Check for alternative profiles
and redesign the drive.
X X
Belts have been tight during
drive standstill
Loosen the belts, if the drive
is out of operation for more
than 2 months.
X
Lubricant or fuel on the belts,
belts have been waxed
Clean the drive and repair
any leaks.
Replace the belts.
X X
Belts stored in sunshine Store the belts, according to
the instructions.
X X