Intervals and time limits Measures
Every 2 years Carry out a general inspection of the gear unit
Check the cooling coil
Check that all of the fastening bolts are tight
Clean the fan and gear unit
Every 20 000 operating hours, at least every
4 years
Change the oil if using semi-synthetic oil of API Group
III, PAO or PG oil (or depending on the result of the oil
sample test)
6 years after the specified date of manufacture Change the hoses
Further information
Further information about additional maintenance and servicing activities can be found in the
separate data sheet in the overall documentation for the gear unit.
Further information about installed components can be found in the operating instructions for
the components in the complete documentation for the gear unit.
8.3 Maintenance and service work
Introduction
You can find maintenance and servicing measures relating to gear unit lubrication and
preservation, which are not provided in this chapter, in BA 7300 in the complete gear unit
documentation.
8.3.1 Cleaning the fan and gear unit
Introduction
The gear unit can sustain damage due to inadequate cooling if you operate it with a damaged
or soiled fan. Depending on the conditions at the site of installation, it may therefore be
necessary to clean the fan and gear unit more frequently than stipulated in the maintenance
schedule.
Procedure
Proceed as follows to clean the fan and gear unit:
1. Remove the air guide cover.
2. Use a hard brush to remove any stubborn dirt from the impeller, air guide cover and
protective grille. Never use a high-pressure cleaning device.
3. Treat any areas of corrosion.
Maintenance
8.3 Maintenance and service work
REDUREX Gear unit 5200en
Operating Instructions 03/2019 93
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