Page History

Step No

Description

Initials

Date

Comments

1

Cryomodule Position (CM01, CM16, etc.)

2

Before cooldown of cryomodule under test, enter housing and check module for connected cables:
Cavity 1 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

3

Cavity 2 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

4

Cavity 3 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

5

Cavity 4 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

6

Cavity 5 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

7

Cavity 6 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

8

Cavity 7 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

9

Cavity 8 Flange:
Connectors A-01, A-02, A-03, B-01 and B-07

Flange 'B':
N type connector. PROBE cable

These are for the 50 ohm loads for HOMs.
N type connectors. HOM1 and HOM2

10

Flange 'C': These are for the magnets.
Connectors C-01-A, C-02-A, C-03-A, C-04

11

Flange 'D': These are for the BPM.
Connectors D-01 (top), D-02(right), D-03(bot), D-04 (left)

Step No

Description

Initials

Date

Comments

12

Flange 'D': These are for the cool down heater.
Connectors D-07, D-08 (LL heater)

13

Flange 'E': These are for the liquid level DS probes.
Connector E2-01 and Pressure sensor.
Verify there is external He gas to these flanges.

14

Flange 'L': These are for the liquid level US probes.
Connector L2-01 and Pressure sensor
Verify there is external He gas to these flanges.

15

Flange 'F': These are for the temp sensors for magnet package.
Connector F-01 and F-02

16

Flange 'K': These are for the temp sensors for Cryo.
Connector K-01, K-02, K-03 and K-04 (heater)

17

Flange 'B': These are for the loads for HOMs.
N type connectors. HOM1 and HOM2

18

Flange 'B': These are for the probe cable.
N type connector. PROBEShouldn't these be included in steps 2-9?

19

WR650: Verify all cavity waveguides are complete.

2018

Verify forward and reverse power cables are connected to the directional couplers for all eight cavities
Note any problems or unusual conditions in the comment block.

2119

Go to klyston gallery.
Verify the WR650 is still pressurized and connected to the SSAs for cryomodule under test

2220

Inspect cable connections to RF racks for disconnected cables. DO NOT OPEN DOORS OF RACKS. If there is a concern, note in comments and call LLRF Group.

Step No

Description

Initials

Date

Comments

2321

Go to Operator console.
Open LLRF Interlocks Display. Click on each "More" for each interlock to go to detail screen.

2422

Note any disconnected PVs in the comment box.

2523

Push the 'Reset Interlocks' button. Note any faults which do not clear or reappear in the comments block.

2624

Verify that the Beamline Vacuum signal readback is correct. Record the Beamline Vacuum pressure in Torr. Note any problems in the comment block.

Step No

Description

Initials

Date

Comments

2725

Open the Cryomodule Instrumentation display.

2826

Verify that the Coupler Vacuum signal readback is correct. Record the Coupler Vacuum pressure in Torr. Note any problems in the comment block.

2927

Verify that the Stepper Motor temperature readbacks is correct. At room temperature it should be about ~300K. Note any unusual readbacks in the comments block.

3028

Verify that the FPC Top and Bottom Temperature readbacks are correct. At room temperature it should be about ~300K. Note any unusual readbacks in the comments block.

3937

Scroll to bottom of Cryomodule Instrumentation display

4038

Verify Magnet temperatures are connected to data acquisition. Verify that each readback is correct. At room temperature all values should be ~300K. Note any problems in the Comment block.

4139

Verify that all preceding Cool Down Preparation steps have been completed and that all requested information has been entered into the appropriate fields.

4240

Transmit completed checklist to Area Physicist.