94
Note. Infection control.
50% propylene glycol coolant has been evaluated for antimicrobial effectiveness
and determined not to promote growth of gram negative rods, gram positive cocci, or yeast microbes. 50%
propylene glycol was found to be comparable to 70% isopropyl alcohol.
Unscheduled Maintenance
The following table lists unscheduled maintenance tasks for the console. These tasks should be performed
when indicated. Detailed procedures for some tasks are listed later in this chapter.
Inspect/Replace Condenser Filter
Required Tools and Materials
You will need a Phillips screwdriver, an inspection lamp, and a vacuum cleaner with a crevice tool to perform
these tasks.
Procedure
To inspect and replace the condenser filter, perform these steps in the indicated order:
1. Ensure that the console has been switched off and the power cord has been disconnected.
2. Use a screwdriver to release the screws securing the access door. Remove the access door from the panel.
3. Remove and inspect the filter. Replace it if it is clogged with dust.
4. Use the inspection lamp to inspect the area in and around the condenser. Look for accumulations of dust
and debris.
Roller pump
Monthly
Clean rollers and tubing path with cloth moistened
with water.
Clean rollers and apply light lubricating oil if rollers
have been in contact with saline solution.
Annually
Verify the pump roller gap.
Coolant
Annually
Drain and refill with new coolant mixture.
Power cord
Annually
Inspect for wear or damage.
Temperature accuracy Annually
Perform a temperature accuracy test (refer to Tem-
perature Accuracy Test on page 95).
Item
Criteria
Maintenance Task
Console
When deterioration is
evident
Inspect mechanical and electrical components for
wear and loose or deteriorated parts. Verify continu-
ity of the electrical ground connection.
Console
When soiled
Clean the exterior of the console (refer to Clean
Console and Condensate Pan on page 95).
Coolant
If contaminated
Drain coolant, clean the coolant well, and refill with
1:1 mixture of distilled water and propylene glycol
(refer to Drain Coolant on page 96).
If particulate matter is
observed in the coolant
Drain coolant, clean the coolant well, and refill with
1:1 mixture of distilled water and propylene glycol
(refer to Drain Coolant on page 96).
Table 7.2: Unscheduled Maintenance
Table 7.1: Scheduled Maintenance (continued)
Summary of Contents for IVTM
Page 2: ......
Page 4: ...This page intentionally left blank...
Page 8: ...iv Specifications 101...
Page 28: ...20 This page intentionally left blank...
Page 92: ...84 This page intentionally left blank...
Page 96: ...88 This page intentionally left blank...