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Operating manual

Variable speed drives and motors R

1

03/2017

WE KEEP THINGS MOVING

ID 441995_en.05

en

www.stober.com

These operating instructions contain information about the 
transport, assembly, commissioning and service of , gear 
units/geared motors from STOBER.
Observe the applicable documents of attached motors and 
additional drive components.

1

Operation in accordance with its in-
tended use

Gear units/geared motors from STOBER comply with the val-
id standards and regulations. They are intended for installa-
tion in commercial machines and systems. Intended use 
includes:

Use of the gear unit/geared motor exclusively for the ap-
plication that it was designed for.

No modifications to the gear unit/geared motor by the 
customer.

No overload of the gear unit/geared motor with regard to 
the maximum permitted speeds, torques and tempera-
tures that are specified in the order confirmation.

Compliance with the inspection and maintenance inter-
vals.

Observance of this documentation.

If the gear units/geared motors are to be used to left or hold 
loads, the machine manufacturer must check whether addi-
tional safety measures are required.

1.1 Surface temperature

To ensure safe operation of the gear unit, the surface tem-
perature of the gear unit must not exceed the following tem-
perature values:

For mineral lubricants 80° C,

For synthetic lubricants 90° C.

For this reason, observe the following:

The standard version of gear units/geared motors from 
STOBER may be used at surrounding temperatures be-
tween 0 °C and +40 °C. Different surround temperature 
ranges are specified in the order confirmation for special 
versions.

The gear units must be protected from overload and be 
adequately ventilated. More detailed information can be 
found in the Assembly chapter.

2

Safety information

CAUTION!

Burns!

The surface temperature of the gear unit can significantly ex-
ceed 65° C in operation!

Allow the gear unit to cool down sufficiently before touch-
ing it or wear protective gloves.

Also follow the applicable national, local and system-specific 
requirements.

2.1 Personnel requirements

All work on the electrical equipment of the drive units must be 
performed by qualified electricians. Installation, maintenance 
and repairs of mechanical parts must be performed by fitters, 
industrial mechanics or persons with comparable qualifica-
tions.

3

Technical data

The technical data of the gear unit/geared motor can be found 
in the order confirmation. This refers to the lubricant used that 
is specified on the nameplate of the gear unit. Other technical 
data as well as dimensional drawings can be found in the ap-
propriate catalog from STOBER.

4

Transportation and storage

When transporting the gear units/geared motors make certain 
not to damage the shafts and bearings with impacts.

Use the ring screws on the gear unit housing for vertical trans-
port of the gear units. Sling the gear units without ring screw 
with a suitable support cable directly on the gear unit housing.
Note that ring screws are only intended for vertical transport 
of the gear units without additional attachments. In addition 
sling the motor mounted on the gear unit and make sure that 
there is no diagonal pull.
If the ring screws are removed after assembly, permanently 
seal the threaded holes according to the protection class of 
the gear unit.

The gear units/geared motors may only be stored in en-
closed, dry rooms. Storage in open air areas with a roof is only 
permitted for brief periods. Protect the gear units/geared mo-
tors from all damaging environmental effects and mechanical 
damage. 
Avoid extreme temperature fluctuations with high relative hu-
midity when the gear units/geared motors are being stored 
temporarily to prevent formation of water from condensation. 

Long-term storage

If long-term storage is planned, protect the bare parts of the 
gear unit against corrosion. Completely fill the variable speed 
drive with integrated spur gear stage with lubricant that is 
specified on the nameplate. Reduce the lubricant to the cor-
rect filling quantity according to the nameplate before com-
missioning the drive.

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