Burkert Type 2033 - Manual (Page 14)

14
Option: Maximum stroke limitation
7.3. Actuators K-175, L225
Actuator
Parts required
1 Threaded nipple
2 Setscrew M16 x 80
3 Nut M16
4 Spindle cap
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.
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 ④ instead of the position
indicator onto the end of the spindle (WAF14).
→
Interrupt supply of control air.
english
Type 2000, 2002, 2012
2030, 2031; 2032, 2033