Burkert Type 2033 - Manual (Page 20)

20
Option: Min. /max. stroke limitation
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.
8.3.1. 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 and 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/spindle cap
( yellow screw cap; see “
Fig. 8: “) by hand.
→
Interrupt supply of control air.
8.3.2. Installation and commissioning
→
Lightly grease spindle extension ①
(silicone grease OKS 1110-0).
→
Screw spindle extension ① (with Allan key WAF8) onto actuator
spindle (M16x1.5) and secure with Loctite 274.
→
Place guide spindle ② over spindle extension ①.
Type 2012 Control Function A:
→
Screw stop ⑧ onto guide spindle ② and secure with
Loctite 274.
Stop length for Actuator K-175 (2012): 54.5 mm
Stop length for Actuator L-225 (2012): 44 mm
english
Type 2000, 2002, 2012
2030, 2031; 2032, 2033