MARINE MIDI KG 82 CCH 4M

Dollar bill test - close door on currency and attempt to pull it out around entire perimeter. Check for cracks, tears, brittleness, excessive stickiness. Verify seal remains soft and pliable; inspect corners and hinge side under stress.

Monitor internal temperature with separate thermometer daily. Verify refrigerator maintains 37-40°F (2-4°C), freezer maintains -4°F (-20°C). Check for temperature fluctuations, frost buildup, or uneven cooling across all shelves.

Listen for unusual rattling, grinding, or squealing. Inspect for excessive vibration in mounting brackets and refrigerant lines. Check for signs of metal fatigue, loose fasteners, or thermal expansion damage. Verify no salt/corrosion buildup.

Verify all shelves are properly fixed to guide pins and supports with no play or movement when vessel rocks. Inspect guide pins for wear, bent clips, or misalignment. Confirm shelves remain secure under simulated heavy sea conditions.

Check for oil leaks around compressor connections, condenser coils, and refrigerant lines. Verify refrigerant levels per nameplate specs. Inspect for frost accumulation on suction line indicating low charge. Test pressure readings with gauges; document baseline values.