17
Lib
er
at
ors
Maintenance
(Schedule A, 30 Month)
IX
There are two schedules for routine maintenance which the home
health care distributor may follow. These schedules allow the dis-
tributor maximum flexibility while assuring that equipment is
operating properly.The healthcare distributor may follow either
Schedule A or Schedule B, or a combination of the two schedules.
Schedule A –30 Month
A. Introduction
Routine maintenance is a series of steps used to assure that equip-
ment is functioning properly.
1. If a unit fails a given test, one of two things may be done:
a. Refer to the Troubleshooting section of the corresponding
technical manual.
-or-
b. Return the unit to CAIRE, Inc. for repair.
2. Schedule – Maximum of two years between routine
mainte
nance testing. Unit should be tested whenever a
problem is suspected.
B. Procedure
Follow the steps in order listed. If the unit fails any step, refer to
Troubleshooting section of the corresponding technical manual.
NOTE: See the Troubleshooting and Repair section of the cor-
responding technical manual on the detailed procedures for the
tests mentioned below.
1. Visual Inspection:
a. Remove any LOX prior to maintenance (RP23).
b. Look for damaged or missing parts.
c. Verify the meter reads empty. For reservoirs equipped
with electronic level gauges, verify the low battery LED is
not lit and no error codes appear on the meter.
2. Component Test:
a. Remove shroud (RP2).
b. Perform Leak Test (RP16)
c. Perform PRV test (RP13).
d. Perform SRV test (RP13).
e. Pressure Retention Test (RP15).
f. Replace shroud (RP2).
g. Liquid Contents/Level Indicator Test (RP6).
h. Flow Rate test (RP25).
3.
Check Efficiency of Unit:
a.
Inspect unit for cold or sweaty condition and for excessive
venting from relief valve (some venting is normal).
b.
If the dewar bottle is cold and sweating, and/or there is
excessive venting from the relief valve, an NER test should be
performed (RP32).
4.
Prepare for Use:
a.
Empty contents (RP23).
b.
Clean and/or disinfect outside of unit following instruc
tions
set forth in the Operation section of the corresponding
technical manual.
Liberators Technical Service Manual • PN 13350704 Rev
K
