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6.16
Final work
•
After installation of the gear unit check all screw connections for tight fit.
•
Check the alignment after tightening the fastening elements (the alignment must not have been
changed).
•
Check that all the devices which have been demounted for transport reasons have been refitted.
For this refer to the details in the data sheet, the list of equipment and the associated drawings.
•
Oildrain cocks, if any, must be secured against accidental opening.
•
The gear unit must be protected against falling objects.
•
Protective devices for rotating parts must be checked for correct seating. Contact with rotating parts
is not permitted.
•
A potential equalisation in accordance with the applying regulations and directives must be carried out!
If no threaded holes for earth connection are available on the gear unit, other appropriate measures
must be taken. This work must always be done by specialist electricians.
•
Cable entries should be protected against moisture.
6.17
Screwconnection classes, tightening torques and initialtensioning forces
6.17.1 Screwconnection classes
The specified screw connections are to be fastened applying the tightening torques specified in the table
below.
Table 11: Screwconnection classes
Fastening of
Gear unit
Motor*
Brake*
Torque arm
Inspection-hole cover
Protective hood
Canopy
*) The tightening torques applying to these addon parts can be found in the instructions supplied by the
manufacturers of the parts.
Screw-connection
class
‐ Hydraulic tightening with mechanical screwdriver
‐ Torque-controlled tightening with torque wrench,
C
signal-emitting torque wrench
‐ Tightening with precision mechanical screwdriver
with dynamic torque measuring
D
‐ Torque-controlled tightening with mechanical screwdriver
‐ Tightening with pulse screwdriver or impact wrench
without adjustment checking device
E
‐ Tightening by hand, using a spanner without torque
measuring device
BA 5230 en 04/2011
45 / 67
Tightening procedure
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