4. If you discover that there are heavy deposits inside the cooling coil, arrange for the cooling
water or the deposits to be analysed.
Analysis services of this kind are offered by specialist chemical cleaning companies. These
companies also sell special cleaning agents for removing deposits. Before you use a
cleaning agent, check whether it is suitable for use on the cooling coil materials. You must
consult Flender Customer Services. Carefully read the instructions for use supplied by the
manufacturer before using different kinds of cleaning agent.
5. If the cooling coil is severely soiled, it must be replaced by a new one.
Please consult Flender Customer Services for further advice.
6. Reconnect the cooling water inlet and drain lines to the cooling coil.
8.3.11 Inspecting the shrink disk
Introduction
The shrink disk inspection is limited to a visual assessment of its condition.
Aspects of the inspection
Observe the following points when inspecting the shrink disk:
● Loose bolts
● Damage due to use of force
● Inner ring resting flush against the outer ring
Further information
Further information about the shrink disk can be found in the shrink disk operating instructions
in the complete documentation for the gear unit.
8.3.12 Check that all of the fastening bolts are tight
Procedure
Proceed as follows to check that the fastening bolts are tight:
1. Observe the data regarding connection classes (Page 78), preload forces and tightening
torques (Page 79).
2. Replace any bolts that are no longer fit for use by bolts of the same strength class and type.
Maintenance
8.3 Maintenance and service work
REDUREX Gear unit 5200en
98 Operating Instructions 03/2019
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