This chapter contains necessary information for the qualied and trained personnel to carry out
regular maintenance work.
Do not disassemble the electric machine
.
Only procedures described in this user guide
may be done.
Only trained and qualied personnel familiar with the relevant safety requirements are allowed to do
maintenance to the
electric machine.
Risk of electric shock when the connection box is open.
Use correct
personal protective equipment when you are near the electric machine.
Read the instructions in the manual before you start to work with
the electric machine. To ensure safe and reliable
operation of the machine, obey the maintenance instructions
carefully.
Regular maintenance
Inspect the machine at regular intervals. Use the regular maintenance checklists for help.
Do not attempt to tighten bolts or screws that are not discussed in this manual and that are not needed for normal
installation and maintenance procedures.
The sealing of the bolts and screws can
break.
Correct supervision and maintenance of the electric machine makes sure of reliable operation and
designed lifetime.
Table 6. Maintenance schedule
Object Check/Task Weekly Monthly Yearly
General
construction
Operation Noise, vibration. If clearly increased, contact Danfoss. X
Mounting
Bolt
tightness. Tighten to proper value if necessary. Applies to bolts and
screws that are discussed in this manual. See Chapter
See Chapter Tightening torques.
X
Enclosure and
connected parts
Check cleanliness. Clean if necessary. See Chapter Cleaning. X
Shaft seals Check the wear. Replace if necessary. X
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