7 | Servicing
07/2023 | ID 443360_en.00
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7 Servicing
7.1 Cleaning
If the surface of the drive is dirty, heat dissipation through the ambient air is no longer sufficient. As a result, impermissibly
high operating temperatures that reduce the lubricating effect of the lubricant and accelerate its aging could occur. This has
a negative effect on the service life of the drive. Furthermore, the thermal winding protection may force the drive to shut
down the drive has reached its nominal values.
Determine the cleaning interval according to the expected operating conditions, but it should be every 12 months at the
latest. Clean the drive according to the following instructions.
WARNING!Moving machine parts can cause serious injuries or even death! Before performing work, switch off the
machine with the main switch and secure the switch from being turned on again.
WARNING!Falling gravity-loaded axes or vertical axes can cause serious injuries or even death! Move gravity-loaded axes
or vertical axes to their lowest position and lock or brace them mechanically before entering the danger area.
CAUTION!The surface of the drive can reach temperatures over 65°C during operation! Allow the drive to cool
sufficiently before working on it. Wear gloves.
ATTENTION!Improper cleaning can cause damage to the gear unit/geared motor! Do not use steam jet cleaners, high-
pressure cleaners or compressed air to clean the gear unit/geared motor, as this can result in water and dirt entering the
interior of the gear unit/geared motor through the seals and can damage it. In addition, do not use solvents, as these can
damage the seals and the nameplate. Comply with the following instructions.
§ Remove dust and chips with a suitable industrial vacuum.
§ Remove contamination from the surface of the drive with a suitable industrial cleaner.
7.2 Inspection
Perform regular inspections on the gear unit in accordance with the following specifications. Inspect the attached motor in
accordance with the documentation of the motor manufacturer.
WARNING!Moving machine parts can cause serious injuries or even death! Before performing work, switch off the
machine with the main switch and secure the switch from being turned on again.
WARNING!Falling gravity-loaded axes or vertical axes can cause serious injuries or even death! Move gravity-loaded axes
or vertical axes to their lowest position and lock or brace them mechanically before entering the danger area.
CAUTION!The surface of the drive can reach temperatures over 65°C during operation! Allow the drive to cool
sufficiently before working on it. Wear gloves.
The gear units are filled with synthetic lubricant at the factory. With intended use, the lubricant does not need to be
changed over the entire service life of the gear unit. The specification and fill volume of the lubricant is specified on the
nameplate of the gear unit.
Interval Task
Every 3000 operating hours or
every 6 months
Check shaft seal rings for external damage and leaks
Annually Check paint for damage and touch up if necessary
Check tightening torques of the screw connections between gear unit/machine and
between gear shaft/drive elements (see the chapter Tightening torques)
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