Hight adjustment in cooling
  1. Monitor the height of payload with the camera and the laser spot.
  1. Adjust the height of some GAS filters following the height of payload.

Table 1. Present height (setpoint) of each GAS filter in EX.
EX
Setpoint [cnt]
[mm]
Mid. [cnt]
[mm]
Setpoint-Mid.
Min. [cnt]
[mm]
Min.-Setpoint
F0
-1245
+0.5 
-2100
-0.5 
1.0 
-4250
-1.1 
-1.6 
F1
19667
-4.4 
6450
-1.4 
-3.0 
27900
-6.2 
-1.8 
F2
X
X
X
X
 
X
X
 
F3
15481
-3.5 
20150
-4.5 
1.0 
29900
-6.7 
-3.2 
BF
8010
+1.6 
-1900
-0.4 
2.0 
-17800
-3.6 
-5.3 





1.1 


-11.9
*The height of F1 was -10709cnt (+2.4mm) before the cooling of the cryo-shield in May, 2022. It corresponds to +3.8mm from the mid. point.

Table 2. Present height (setpoint) of each GAS filter in EY.
EY
Setpoint [cnt]
[mm]
Mid. [cnt]
[mm]
Setpoint-Mid.
Min. [cnt]
[mm]
Min.-Setpoint
F0
23100
+4.5
23070
+4.5
0
21950
+4.3
-0.2
F1
-2754
+1.2 
3000
-1.3
2.6
10700
-4.8
-3.4
F2
7000
+1.3
3000
+0.6
0.8
1360
+0.3
-0.3
F3
-3561
+1.1
2000
-0.6
1.7
10400
-3.2
-2.6
BF
825
-0.7
1880
-1.6
0.9
5000
-4.2
-2.6





5.9


-9.2

Table 3. Present height (setpoint) of each GAS filter in IX.
IX
Setpoint [cnt]
[mm]
Mid. [cnt]
[mm]
Setpoint-Mid.
Min. [cnt]
[mm]
Min.-Setpoint
F0
15600
+4.4
2200
+0.6
3.7
-11000
-0.3
-3.7
F1
6750
-1.2
6750
-1.2
0
12800
-2.3
-1.1
F2
6100
-1.3
4060
-0.9
-0.5
9100
-2.0
-1.1
F3
3000
+0.6
300
+0.1
0.6
-3700
-0.8
-0.8
BF
4100
-1.2
4100
-1.2
0
7100
-2.1
-0.9





3.9


-7.6

Table 4. Present height (setpoint) of each GAS filter in IY.
IY
Setpoint [cnt]
[mm]
Mid. [cnt]
[mm]
Setpoint-Mid.
Min. [cnt]
[mm]
Min.-Setpoint
F0
-9208
+4.8
-6710
+3.5
1.3
-3300
+1.7
-1.8
F1
460
-0.2
4000
-1.4
1.2
11000
-3.8
-2.4
F2
5600
+0.8
-2300
-0.3
1.1
-14000
-2.0
-1.7
F3
5450
+0.6
650
+0.1
0.5
-10500
-1.1
-1.2
BF
-5108
-2.7
-6000
-3.2
0.5
-7800
-4.1
-1.0





4.6


-8.0