Friction Clutch - Siemens SIPART PS2 Compact Operating Instructions

①
Arrester device
②
Unplug
③

Friction clutch

④
Lock
Figure 3-2 Arrester device and lock
3.5.2 Friction clutch
Procedure
NOTICE
The following is applicable for the "flameproof enclosure" version:
● Move only the outer friction clutch. The inner friction clutch is fixed when using a flameproof enclosure.
● Do not open the flameproof enclosure of the positioner in explosion-prone atmospheres. An additional friction clutch is
therefore provided on the outside of the positioner axis. Move only the outer friction clutch.
After installing the positioner and commissioning it completely, set the torque of the friction clutch as follows:
1. Insert a commercially available, approximately 4 mm wide screwdriver in the slit of the yellow wheel on the module cover.
2. Move the yellow wheel anticlockwise using the screwdriver until it noticeably engages. This intensifies the torque of the
friction clutch.
3. A fixed friction clutch is characterized by an approximately 1 mm wide gap between the yellow and the black wheels.
4. For zero balancing, for example, after changing the actuator, first reduce the torque by rotating clockwise up to the end
stop of the yellow wheel. After zero balancing, fix the friction clutch again as described above.
3.5.3 Transmission ratio selector
Procedure
Lock the transmission ratio selector starting from the neutral position (condition at delivery) as follows:
1. Move the yellow wheel below the terminals using a commercially available, approximately 4 mm wide screwdriver
anticlockwise or clockwise depending on the 33° or 90° position that you have selected until it noticeably engages.
2. Note that the transmission ratio selector can now be moved only after unlatching the anchorage. You must therefore
bring the yellow ring back to the neutral position if you wish to move the transmission ratio selector, e.g. after changing
the actuator.
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SIPART PS2 (6DR5...)
A5E03436683-02, 01/2013