Spare Parts - Sulzer MT Manual De Empleo Y De Mantenimiento

FAILURE OR MALFUNCTION
! Motor overheating
! Bearing overheating
The amperometric relay
!
trips, the current
absorption is regular
The amperometric relay
trips, the current
!
absorption is higher
than expected
The amperometric relay
trips, the current
!
absorption is
unbalanced
The group generates
!
abnormal vibrations
and/or noises
For further information, refer to the driven equipment manual.
For problems not included in the list, contact Sulzer technical assistance.

10. SPARE PARTS

Use only original spare parts. For spare parts, refer to the catalogs or contact Sulzer technical assistance, specifying the type of motor, serial
number and year of construction, which can be found on the identification plate. This product is free from manufacturing defects.
ID PROBABLE CAUSE
C.1 → Overload
C.2 → Insufficient cooling
C.3 → Ambient temperature too high
C.4 → Number of starts too high
C.5 → Wrong power supply voltage
C.6 → The voltage is not the same on the 3 phases
D.1 → Too much grease
→
D.2 Use of unsuitable grease
→
D.3 Grease aging
D.4 → Lack of grease
D.5 → Excessive axial or radial load
E.1 → The relay is not setted correctly
E.2 → The relay is defective
F.1 → Wrong power supply voltage
→
F.2 Loose cable terminals
The driven equipment or the motor are
F.3 →
blocked
→
F.4 Use beyond the permissible operating limits
G.1 → The voltage is not the same on the 3 phases
G.2 → One cable is grounded
G.3 → The winding is grounded
The driven equipment or the motor are
G.4 →
blocked
G.5 → The motor connection is incorrect
The driven equipment, the coupling device
H.1 →
or the motor are damaged/worn
H.2 → Group not leveled/aligned
H.3 → Unbalanced group or single components
H.4 → Wrong direction of rotation of the motor
H.5 → Loose fixing screws
H.6 → Resonance phenomena
H.7 → Damaged bearings
Keep the manual for future reference - For more informations visit www.sulzer.com
- Translation of the original instructions
SOLUTION
Refer from F.1 to F.4
Check the condition of the fan and the fan cover. If
necessary, clean or replace them.
Check the distance between the fan cover inlet and the wall
Adapt the environmental conditions to the motor operating
limits.
Replace with motor suitable for environmental conditions
Reduce the number of starts
Change the power supply voltage or the motor
Check and correct the power supply voltage on the three
phases.
Clean the bearings and relubricate
Lubricate the bearings
Recheck and resize the load
Re-calibrate the relay
Replace the relay
Change the power supply voltage or the motor
Tighten all terminals
Disassemble and repair
Bring back the operating conditions within the permissible
limits
Check and correct the power supply voltage on the three
phases.
Replace the cable
Rewind the motor
Disassemble the group and repair
Correct the connection according to the connection
diagrams
Disassemble the group and repair
Correct the alignment and leveling of the group.
Check the balancing of the complete group
Reverse the direction of rotation
Tighten the fixing screws correctly
Check the design of the foundations, the system and the
installation in general.
Replace the bearings