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B-701964-00 Rev. C
Service and Repair
5-5
Companion 1000/T Liquid Oxygen System Technical Manual
5. Use a
1
/
16
-in. Allen wrench to loosen the set screw
1
in the flow control valve knob
2
. Remove the flow control valve knob and decal
3
. If the knob does not use a set
screw, insert the Allen wrench into the hole in the knob. Simultaneously push in and
pull up on the Allen wrench to remove the knob.
6. Use a small flat-blade screwdriver to loosen and remove the two flat-head screws
4
from the flow plate
5
. Remove the flow plate.
7. Remove side cover A.
5.2.2
Service
Service to the Companion 1000/T side covers consists of replacing the warning label
14
,
warning decal
16
, the four rubber feet
19
, and the “Companion T” label
42
(Companion T).
5.2.3
Installation
Install the side covers by reversing the Removal procedure (Section 5.2.1).
5.3
TOP BEZEL
The top bezel on the Companion 1000/T forms the top surface of the unit between the
front and rear side covers. It has a recessed opening for the oxygen outlet barbed fitting,
as well as an opening for the window of the contents indicator weight scale mechanism.
The top bezel is not field serviceable.
5.3.1
Removal
Refer to Figure 6-1 or 6-2 to identify parts with bold number references.
1. Remove side cover B (Section 5.2.1, steps 1 and 2).
2. Use a
7
/
16
-in. deep well socket and a T-handle or ratchet wrench to remove the
oxygen outlet barbed fitting
9
. Do not lose the O-ring
10
.
3. Remove the top bezel
11
.
5.3.2
Installation
Install the top bezel by reversing the Removal procedure.
5.4
CARRYING STRAP
The carrying strap is a woven nylon strap that enables the patient to wear the
Companion 1000/T over the shoulder or across the body. You may also engage the
plastic buckle in the strap to create a short carrying handle. The strap is connected to
the contents indicator weight scale mechanism on one end and between the side covers
on the other. The shoulder pad is the only serviceable item on the carrying strap.
5.4.1
Removal
Refer to Figures 6-1 or 6-2 and 6-3 to identify parts with bold number references.
Summary of Contents for COMPANION 1000
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