Maintenance
111
Maintenance
What this chapter contains
The chapter contains preventive maintenance instructions.
Safety
WARNING! Read the instructions in chapter Safety on the first pages of this manual
before performing any maintenance on the equipment. Ignoring the safety
instructions can cause injury or death.
Maintenance intervals
If installed in an appropriate environment, the drive requires very little maintenance.
The table lists the routine maintenance intervals recommended by ABB.
Fan
The drive’s cooling fan has a life span of minimum 25 000 operating hours. The
actual life span depends on the drive usage and ambient temperature.
Fan failure can be predicted by the increasing noise from the fan bearings. If the
drive is operated in a critical part of a process, fan replacement is recommended
once these symptoms start appearing. Replacement fans are available from ABB.
Do not use other than ABB specified spare parts.
Maintenance Interval Instruction
Reforming of capacitors Every year when stored See Capacitors on page 112.
Visual inspection Every year Check dustiness, corrosion,
temperature and fan operation.
Cooling fan replacement
(frame sizes R1…R2)
Every three years See Fan on page 111.
Tightness of input power cable,
motor cable and control cable
terminals
Every six years Check that tightening torque
values given in chapter
Technical data are met.
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