Figure 1-1. Basic refrigeration system.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES PROCEDURES
You perform preventive maintenance checks and services (PMCS) to ensure that
the refrigerator operates properly. All checks are performed before operation and
a. Operational Inspection/Test Procedures. While inspecting and testing the
refrigerator, you can discover malfunctions that require servicing. Follow these
procedures to inspect and test the refrigerator.