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Hi Flow Stroller Technical Service Manual • PN 14314465 Rev
F
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Maintenance
(Schedule B, Continuous)
IX
Schedule B – Continuous
A. Introduction
Continuous maintenance is a set of tests and inspections per-
formed periodically to ensure the equipment is functioning prop-
erly. It can be done with equipment in service by drivers or other
personnel.
1. If a unit fails a given test, it should be taken out of service.
Refer to the Troubleshooting section (Pages 17-21) or con-
tact Technical Service.
2. Schedule B – Checks are made when the driver visits patients
and when equipment is transferred between patients.
B. Procedure
These inspections are to be performed at least once per year by
the driver or other personnel when the Hi Flow is in use by the
patient (LOX in the unit).
1. Visual Inspection:
a. Case not damaged or dirty. Flow control knob turns easily
with firm detent feel.
b. Condensation pad is not soaking wet or excessively dirty.
c. QDV pin not bent (side fill only).
2. Verify that the meter reads the correct liquid level.
3. Check flow rate, Erie liter meter (± 0.25 LPM) can be used.
These inspections/tests are to be done between patients.
1. Visual Inspection:
a. Damaged case.
b. Condensation pad (replace if soiled).
c. QDV pin not bent (side fill only).
d. Inspect interior of unit for dirt or contaminants.
2. Verify that liquid level meter reads empty.
3. Fill Unit:
a. Verify that liquid level gauge reads full.
b. Check for audible/visual leaks in QDV and vent valves.
4. Flow Test (Table 1):
a. Set flow control knob to highest flow setting, run for at
least 20 minutes.
b. Check all flow settings with chart below and check pres-
sure to at least 18 psig (1,2 bar).
5. Prepare for Use:
a. Empty contents by turning flow selection knob to highest
flow setting and running unit until dry and warm to room
temperature (approximately one hour).
b. Verify that the meter reads empty.
c. Clean case per RP27.