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Companion 1000/T Liquid Oxygen System Technical Manual
5-22
Service and Repair
B-701964-00 Rev. C
5.13
MANIFOLD
The Companion 1000/T manifold seals the cryogenic container from the atmosphere.
Most of the major functional components of the portable are directly or indirectly
mounted to the manifold. All liquid or gaseous oxygen withdrawal from the unit
originates from the manifold. The manifold has no serviceable parts.
5.13.1
Removal
Refer to Figures 6-1 or 6-2, 6-4, 6-5, 6-6, and 6-8 to identify parts with bold number
references.
1. Remove the side covers (Section 5.2.1).
2. Perform steps 2 and 3 of the top bezel removal procedure (Section 5.3.1).
3. Loosen and remove the four socket head cap screws
6
from the base of the contents
indicator assembly
16
. Remove the assembly.
4. Use a
1
/
2
-in. open-end wrench to disconnect the
3
/
16
-in. tube nut where the warming
coil
32
or spined tubing
37
(Companion T) connects to the manifold
7
.
5. Use a
9
/
16
-in. open-end wrench to disconnect the
1
/
4
-in. tube nut where the vent tube
26
connects to the manifold.
6. Use a
9
/
16
-in. open-end wrench to disconnect the
1
/
4
-in. tube nut where the fill tube
8
connects to the manifold.
7. Use a
1
/
2
-in. open-end wrench to disconnect the
3
/
16
-in. tube nut where the primary
relief valve tube
1
connects to the manifold.
8. Use a
1
/
2
-in. open-end wrench to disconnect the
3
/
16
-in. tube nut where the secondary
relief valve tube
5
connects to the manifold.
9. Use a
3
/
16
-in. nut driver to remove the four standoffs
4
from the manifold
(Figure 5-30). Remove the manifold.
Figure 5-30
5.13.2
Installation
Install the manifold by reversing the removal procedure (Section 5.12.1, step 9).
To prevent contaminants from entering the cryogenic container, place a clean
plastic bag over the neck of the container and seal tightly.
Summary of Contents for COMPANION 1000
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