Life Of Bearings; Operation Problems - FPZ SCL K09R MD-GOR Betriebsanleitung

•
Clean and assemble by proceeding in reverse order
•
Use a threaded bar to correctly position the bearing cover (6).
•
Seal with System RS01 Arexons or Loctite 5970
1
4

14.5 LIFE OF BEARINGS

In normal operating conditions (values given in the SPECIFICATIONS) the machine's bearings should be replaced by FPZ personnel
after 25000 hours or 3 years, whichever comes first.
The unit's bearings can be replaced only if all the instructions, parts list, and the section/exploded view of the
NOTE FOR THE USER
respective unit are available.

14.6 OPERATION PROBLEMS

Problem
F
The unit does not
start
F
G
G
Insufficient or no air G
flow
G
F
Insufficient or no
differential pressure
G
Current absorption
F
higher than the
permissible value
F
5
Divided as follows: F for functional fault and G for serious fault
FPZ-MI-K MD-GOR/GVR-EU-R00-15
2
5
Cause
Incorrect electrical wiring.
Unsuitable supply voltage.
The impeller is stuck.
The suction filter is clogged.
Wrong frequency (for inverter powered units).
Profile of impeller blades modified (due to
deposits on the profile).
Wrong rotation direction.
Leak in the system
Incorrect electrical wiring.
Supply voltage drop.
3
6
Cure
Have the electrical connection checked by the
Technician, referring to the diagram in the terminal box.
Make sure the supply voltage, measured at the motor
terminals, matches the rated voltage +/-10%.
Have the unit repaired by FPZ After-Sales Service.
Have the cartridge cleaned or replaced by the Technician.
Correct the frequency.
Have the impeller checked by FPZ After-Sales Service
Have the rotation direction reversed by the Technician,
switching around the two power supply wires.
Find the leak and seal it.
Have the electrical connection checked by the
Technician, referring to the diagram in the terminal box.
Have the supply voltage at the terminals restored within
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