1. INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD
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2. ELLIPTICAL HEAD
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

3. AFTER VENTING FIRST OPEN VALVE SV421!
Before disconnecting the elliptical head,
disconnect first one flange one the beam volume
and then one flange on the detector volume.
VENTING USE: PURE NEON FOR THE BEAM VOLUME!
AND NEON FOR THE DETECTOR VOLUME!
W A R N I N G
AFTER VENTING FIRST OPEN VALVE SV421!
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

4. SWITCH OFF THE TURBO PUMP
TP 301
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

5. THE VENT VALVE CONNECTOR
DISCONNECT
THE VENT VALVE CONNECTOR
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

6. TAKE OFF THE FRONT PART FROM THE PROTECTING COVER
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

7. CLOSE AIR PRESSURE VALVE ON VESSEL STAND
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

8. DISCONNECT 2 AIR PRESSURE CONNECTIONS WITH WRENCH 14
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

9. DISCONNECT CONNECTORS VALVE SV421
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

10. DISCONNECT BELLOW
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

11. DISCONNECT ALL CABLES TP304 PI 301 PE301 DP411 AP411
220 V (3x) PT 100 (3x)
TP304
PI 301
PE301
AP411
DP411
OS 412 A & B
OS 413 A & B
OS 411 A & B
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

12. Switch of water supply DISCONNECT WATER COOLING PLATE
(L – key number 4)
WATER COOLING
(Wrench 14)
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

13. Trolley under the valve DISCONNECT VALVE GV302 CONNECTOR GV302
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

14. (Use L – key number 5) Disconnects 2 M6x12 hexagon socket head screw
from the wake field suppressor at the spoke
in side of the vacuum vessel!
(Use L – key number 5)
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

15. DISCONNECTING THE ELLIPTICAL HEAD
M12 - WRENCH 18
LIFTING BRACKET
FLANGE SUPPORT
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

16. SLIDE THE ELLIPTCAL HEAD INTO THE SLOTS AND COVER THE VACUUM SIDE
WITH ALUMINUM FOIL
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

17. ALL HEXAGON HEAD SCREWS FOR UHV FLANGES:
USED MATERIALS:
Helicoflex ring
ALL HEXAGON HEAD SCREWS FOR UHV FLANGES:
STAINLESS STEEL A4
SPECIFICATION : LO-GE N° 507
Partly threaded (b)
Steel grade (ISO 3506) : A
Traction resistance Rm : 1000N/mm2
Elastic limit Rp 0.2 : 940 N/mm2
Elongation at break A5 : 9%
INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD

18. ALARM NUMBERS INSTRUCTION DISCONNECTING THE ELLIPTICAL HEAD 18
Eddy JANS from PH/ULB
Tel:77108 (from outside: ) Office: Mailbox: E05300
Experiment: LHCB Homeinstitute: NIKHEF
Delio DUARTE RAMOS from AT/VAC
Tel:72465 (from outside: ) GSM: (from outside: ) Office: Mailbox: M18800
Homeinstitute: CERN
Martin DOETS from PH/ULB
Tel:77108 (from outside: ) Office: Mailbox: E05300
Experiment: LHCB Homeinstitute: NIKHEF
Adriana ROSSI from AT/VAC
Tel:75978 (from outside: ) GSM: (from outside: ) Office: Mailbox: M28810
Homeinstitute: CERN
Frans MUL from PH/ULB
Tel:76309 (from outside: ) Office: Mailbox: F26200
Experiment: LHCB Homeinstitute: NIKHEF
Luc JANSEN from PH/ULB
Tel:74024 (from outside: )
Office: Mailbox: F26300
Experiment: LHCB Homeinstitute: NIKHEF