Burkert Type 2031 - Handbuch (Seite 16)

16 - 2030/2031
english
Work steps:
• Hold actuator on square of actuator housing (Pos. 1).
• Dismount cover (Pos. 18) with special key.
• Actuator size G-100/H-125mm:
Remove disc (Pos. 29).
• Remove springs (Pos. 11, 12).
• Dismount position indicator (Pos.15).
• Unfasten nut (Pos. 14), thus counter holding in upper spindle edge
(Pos. 4) with Allan key.
• Remove piston (Pos. 9) and the upper support disc (Pos. 13).
CAUTION!
Do not damage the sealing surfaces of the actuator ring
(Pos.1)!
• Remove lower intermediate disc (Pos. 7) and o-ring (Pos. 8).
• Slightly grease over inner surface of actuator ring (Pos. 1):
- for PA-actuator with "Lagermeister SL"
- for PPS-actuator with "Amblygon TA 30-1".
• Push lower intermediate disc (Pos. 7) and o-ring (Pos. 8) onto spindle
(Pos. 4) until it stops.
• Insert piston (Pos. 9) into actuator housing (Pos.1) and slide over spindle
thread (Pos. 4).
• Slide support disc (13) over spindle (Pos. 4).
• Wet spindle thread with liquid glue “LOCTITE 274”.
• Mount nut (Pos. 14) and fasten tightly, while counter holding with Allan
key.
• Mount position indicator (Pos. 15).
• Actuator size G-100/H-125mm:
Put on disc (Pos. 29).
• Place o-ring (Pos. 17) onto seal of actuator housing.
• Slightly grease over cover thread as on actuator housing.
• Fasten cover (Pos. 18) with special key.
• Examine valve on reliable operation and tightness .