MAINTENANCE
BLANKETROL III, Model 233
OPERATION AND TECHNICAL MANUAL
Page 71 of 131
SECTION 4. GENERAL MAINTENANCE OF THE BLANKETROL III
SYSTEM
4-1.
INTRODUCTION
This section describes the general requirements maintenance personnel should complete on a
regular basis so that the BLANKETROL III System continues to operate within the manufacturers’
allowable tolerances.
These requirements include changing and replenishing the water in the reservoir; cleaning the
water filter, the exterior of the unit, the front grill, the condenser, the thermistor probes, and the
hyper-hypothermia blankets. Figure (4-1) provides a convenient checklist to record the maintenance
history of the unit.
The description of each requirement includes the tools, the procedures, and the precautions
necessary to complete the requirements. Maintenance, repair and/or service of BLANKETROL III by
qualified maintenance/technical personnel
will not
void the warranty of the unit.
After maintenance has been performed, the qualified Medical Equipment Service Technician,
Certified Biomedical Electronics Technician, or Certified Clinical Engineer should reset the PM
Required/HOURS UNTIL SERVICE hour counter back to 500 by simultaneously pressing SILENCE
ALARM, Decrement and Increment buttons.
The following procedures should be performed quarterly or when indicated by 500 hour PM
notification, whichever occurs first.
Draining/Replenishing the Reservoir
Cleaning the Condenser and Grill
Maintenance Checklist
Cleaning the Water Filter
Cleaning Water System
Cleaning Hyper-Hypothermia Blankets
Cleaning the Exterior of the Unit
Cleaning Thermistor Probes
Check Leakage Current
Cleaning the Water Flow Indicator Assembly
Test low and high temperature protection
Check temperature accuracy
WARNING
Before
returning the BLANKETROL III to patient use
after
repairs, the FIRST TIME
SET-UP/SYSTEM TEST ROUTINE in Section 2 must
always
be performed.
Improper repair and inadequate maintenance can result in damage to the
BLANKETROL III system and patient injury.