Burkert Type 2002 - Manual (Page 4)

For actuator size D (50 mm) the tube 8 is screwed and
sealed in the nipple 6 .
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Release and remove screw 18 with socket spanner.
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Remove disk springs 17 .
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Remove actuator body 12 .
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Only actuator size C (40 mm): Replace O-ring 11 .
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Replace O-ring 36 .
Reinforcing ring 10 remains on the tube 8 .
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Slide packing gland set 7 , 13 , 14 , 15 , 16 carefully out of the
tube 8 . Take care that the tube is not damaged.
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Clean all replacement parts thoroughly after removal.
aSSembly
Rebuild packing gland set based according to the drawing:
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Lubricate new wiper with silicone grease OKS 1110-3 and insert
into the tube
8 .
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Lubricate individually chevron seal 13 14 liberally with silicone
grease OKS 1110-3.
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Assemble packing gland set 7 , 13 , 14 , 15 , 16 in the tube 8
in the right sequence (see detailed drawing).
Chevron seal
Pressure
rings
Chevron seal
16 Pressure spring
7
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Push packing gland into the tube 8 as far as the stop; clamp
nipples 6 to do this and screw in packing gland set with screw
18 . Remove screw 18 again.
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Mount actuator body 12 , disk springs 17 and screw 18 on the
tube 8 .
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Screw 18 with socket spanner; ensuring that the disk springs 17
are in a central position.
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Lubricate spindle 2 lightly with silicone grease OKS 1110-3
and insert suitable assembly sleeve over spindle thread.
For information about the assembly sleeve, see:
www.burkert.com → Type 2000 → Maintenance-EU-ML,
section Installation Wrench.
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Insert spindle through nipple 6 into actuator and remove
assembly sleeve.
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For control function A: Place filler piece 19 on spindle.
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For control function B: Insert pressure springs 35 .
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For control function I: Insert filler piece 19 .
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Place intermediate washer 20 and lightly lubricated O-ring 21 on
spindle.
The following operations must only be carried out with all valves:
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Lubricate mounting actuator body 12 ; lubricant Amblygon TA.
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Remove old piston seal 23 from pistons 22 , clean groove and
lubricate well; lubricant Amblygon TA.
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Insert new piston ring 23 .
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Insert pistons 22 and supporting washer 24 and lightly lubricate
bearing surface.
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Wet spindle thread 2 with special adhesive LOCTITE 274 and
screw on nut 25 .
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Carefully screw in actuator on the swivel plate 3 (only put pressure
on the upper section of the swivel plate).
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Screw 25 nut tightly and mount position indicator 26 .
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Clamp body 1 .
Do not damage sealing edges when replacing the seal!
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Replace graphite seal 5 .
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Only for VA body: Lubricate nipple thread 6 with Klüber paste
UH1 96-402.
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note!
Damage to the seat contour!
• During installation, take care that there is no damage to the seat
contour.
• Observe tightening torques according to “Tab. 1”.
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For control function A (CFA): Pressurize lower control air con-
nection with compressed air (5 bar).
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Screw in nipple 6 with actuator in valve body 1 .
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Only for type 2002: Use sealing tape.
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For control function A: Use pressure springs 28 29 .
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Only actuator size G (100 mm) and H (125 mm): Insert washer 40 .
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For control function B and I: Change O-ring 30 .
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Replace O-ring 32 ; to do this, remove transparent cap.
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Lightly lubricate cover thread, lubricant Amblygon TA.
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Mount cover 31 and screw tightly with special wrench.
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Check the valve for function and leaks.
A detailed description about how to change spare parts and
maintenance of valves can be found at:
www.burkert.com → Type 2000 → Maintenance-EU-ML.
CHaNGe THe paCkING GlaND FoR ValVeS
WITH aCTUaToR SIze F (80 mm), G (100 mm),
H (125 mm) aND IDeNTIFICaTIoN "R"
DAnGer!
Risk of injury from discharge of medium and release of pressure!
• Before removing a device, switch off the pressure and vent the lines!
The seal set for the packing gland contains:
Item Description Item Description
13, 14 7 chevron seal 7 1 spindle guide
Upper chevron seal
Upper pressure ring
Pressure spring
Lower pressure ring
Lower chevron seal
Spindle guide
Pushing direction
for packing gland parts
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