Actuators K-175, L225 - Burkert 2000 Instructions De Montage

7.3. actuators K-175, l225
Actuator
Fig. 5: Actuators K-175, L-225,
maximum stroke limitation without position repeater
WArnIng!
risk of injury and functional failure due to derailed or slipped
parts!
The actuators contain pre-tensioned springs that may derail or slip
on improper opening.
• Actuators K-175 and L-225 shall only be opened in our factory
or by the responsible distributor.
14
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Parts required
1 Threaded nipple
2 Setscrew M16 x 80
3 Nut M16
4 Spindle cap
english
Type 2 000, 2002, 2012
Option: Maximum stroke limitation
7.3.1. Work to be carried out before
installation
DAnger!
hazard due to high pressure!
• Interrupt the control air and fluid infeed before modifying the
devices and reduce the pressure in the fluid system.
→
Interrupt supply of medium.
→
Empty valve housing.
→
Bring actuator into the upper piston position.
DAnger!
for control function a and I:
risk due to high pressure when screwing on the visibility
hood!!
The visibility hood must not be pressurized during attachment.
• Therefore pressurize only the lower piston area via the lower
control air connector using compressed air.
→
Unscrew transparent cap from actuator cover.
→
Screw out position indicator (yellow screw cap) by hand.
→
Screw threaded sleeve or spindle cap
indicator onto the end of the spindle (WAF14).
→
Interrupt supply of control air.
2030, 2031; 2032, 2033
④ instead of the position