Option: Min, Max Stroke Limit; Actuator Size D (50) - Burkert 2100 Instructions De Montage

7. OPTION: MIN, MAX STROKE
LIMIT
WARNING!
Risk of injury from forcibly ejected parts!
If this option is used with incoming medium flow over seat, there
is a danger that parts of the device could be forcibly ejected by
strong opening impacts.
• Use the option with incoming flow under seat only.
7.1. Actuator size D (50)
Fig. 5: Actuator D (50)
14
A Transparent cap
A
B Optical position indicator
C
C Actuator cover
B
D Spindle extension
D
1
Connection
English
Types 2100, 2101, 2103
Option:Min,maxstrokelimit
7.1.1. Tasks before Installation
DANGER!
Risk of injury from high pressure!
• Before making alterations to the devices, switch off the pressure
and vent the lines.
→
Interrupt the flow of medium.
→
Switch off the pilot air.
→
Empty the valve body.
→
Unscrew the transparent cap Ⓐ from the actuator cover Ⓒ.
DANGER!
Risk of injury from high pressure!
Without the transparent cap, the actuator blows freely upward
when the pilot pressure is applied to the wrong connection.
• Apply the pilot pressure for control functions A and I only on
connection 1.
→
Control functions A and I:
To remove the optical position indicator Ⓑ, move the actuator to
the upper end position: Apply the pilot pressure to connection 1
(one pressure pulse is sufficient for control function I).
→
Unscrew the optical position indicator Ⓑ from the spindle extension Ⓓ.
7.1.2. Installation and start-up
→
Install the O-ring ⑦ in the spindle groove ⑧.