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Companion Portable Technical Service Manual •
PN 20562220 Rev B
22
Companion P
or
tables
Maintenance
(Schedule B, Continuous)
X
Schedule B – Continuous Pre and Post Fill Inspection
A. Introduction
Continuous maintenance is a set of tests and inspections done
periodically to ensure equipment is functioning properly. It can
be performed by drivers or other personnel while the equipment
is in service.
1. If a unit fails a given test, it should be taken out of service
and sent to the Repair Center/Department for further inspec-
tion.
2. Schedule – Checks should be made before and after the
driver fill the reservoir at a patient location.
B. Pre Fill Procedure
1. Visually Inspect For:
a. Cracks, warping, or discoloration on the case, bezel, flow
knob, and vent lever.
b. QDV deformation. Verify that the poppet is not worn or
damaged and that the lip seal is not cracked or worn.
c. Liquid Contents/Level Indicator functionality
d. Cryogenic container damage (dents, dings).
e. Visible dirt or contaminants inside or outside of the case.
f. Cracks on the moisture cup (C1000T only). Verify the
presence of a clean moisture pad in the moisture cup. Verify
that the fastener opens properly and secures the moisture cup
to the bottom of the C1000T.
g. Presence of all required labels
f. If LOX is still present in the unit, inspect for heavy frost
or condensation.
h. Vent vale functionality (opens and closes smoothly)
i. FCV knob moves smoothly and encounters a detent at
each setting.
j. Abnormal wear to the carrying strap and buckle.
C. Post Fill Procedure
1. Visually Verify
a. QDV poppet is closed and not leaking
b. Vent valve is completely closed and not leaking
c. No heavy frost or condensation is present on the exterior
of the unit
d. Liquid Level Contents Indicator reads the accurate
amount.