Burkert Type 2031 - Handbuch (Seite 16)

16 - 2030/2031
english
• actuator size h-125:
Carefully push out safety disc over lip seal (Pos. 2 )
• Carefully remove lip seal (Pos. 2) from actuator body (Pos. 1).
Caution!
• Thus not injuring the seal surface!
• Clean all internal parts from spent grease and dirt
particles!
• Grease slightly over inner surface of actuator ring (Pos. 1):
- for pa-actuator with "Lagermeister SL"
- for pps-actuator with "Amblygon TA 30-1".
• Grease slightly over lip seal seat (Pos. 2) and spindle guide bush (Pos. 4)
in the actuator body (Pos. 1) with “Amblygon TA 30-1 ”.
• Insert lip seal (Pos. 2) into actuator body (Pos. 1).
• actuator size h-125: Push-in safety disc.
• Grease slightly over spindle* (Pos. 4) with “Amblygon TA 30-1” and insert
together with pressure piece (Pos. 5) and diaphragm (Pos.21) from below
into the actuator body until it stops.
Caution!
Keep diaphragm grease-free!
• CFB: Insert pressure spring (Pos. 6).
• CFI: Don't insert a spring.
• Push lower intermediate disc (Pos. 7) onto spindle (Pos. 4) until it stops.
• Remove piston seal (Pos. 10) from piston (Pos. 9) and clean it.
• Grease support ring on the piston (Pos. 9) as on actuator body (Pos.1).
• Insert new piston seal (Pos. 10) and o-ring (Pos. 8) into piston.
• CfB: Mount piston into actuator body with pretensioned spring, whereas
spring (Pos. 6) and piston (Pos. 9) shall be pressed in by hand until
spindle thread protrudes bore hole. Keep in this position.
• Push support disc (Pos. 7 ) over spindle (Pos. 4).
• Wet spindle thread with liquid glue “LOCTITE
® 274”.
• Install nut (Pos. 14).
• Firmly tighten nut (Pos. 14), thus counter holding with Allen key.
• actuator size G-100/h-125 mm: Place disc (Pos. 29).
• Replace o-ring (Pos. 17).
• Replace o-ring (Pos. 19).
* Use mounting sleeve (see 6.2 Mandrells)