FIELD REPAIR/SERVICE MICRO-TEMP
®
LT, Model 749
OPERATION AND TECHNICAL MANUAL
Page 31 of 75
SECTION 4. GENERAL MAINTENANCE OF THE MICRO-TEMP
®
LT
SYSTEM
4-1. INTRODUCTION
This section describes the general requirements maintenance personnel should complete on a
regular basis so that the MICRO-TEMP
®
LT System continues to operate within the manufacturer’s
allowable tolerances.
These requirements include changing and replenishing the water in the reservoir, cleaning the
exterior of the unit and the localized heat therapy pads, and testing indicator conditions. 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 MICRO-TEMP
®
LT
by qualified maintenance/technical personnel will not void the warranty of the unit.
The following procedures should be performed quarterly.
Draining/Replenishing the Reservoir
Maintenance Checklist
Exterior Physical Inspection
Check flow rate
Check temperature accuracy
Test Low Water Indicator
Check Leakage Current
Test Ground Continuity
Test high temperature protection
Test >1°C (2˚F) Indicator
Test Power Fail Indicator
Test Tilt Switch Indicator
4-1.1. TEST EQUIPMENT REQUIRED
The following test equipment is required to perform the preventive maintenance/functional check-
out procedures:
CSZ's model TF100 86173 Dual-Matic (Temperature Tester, Flow Meter)
Calibrated temperature measuring device
Digital Safety Analyzer
Leakage Current Tester
Improper repair and inadequate maintenance can result in damage to the MICRO-
TEMP
®
LT system and patient injury.