TM 9-4110-246-14
TO 40R7-5-10-1
CHAPTER 4
DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. DIRECT SUPPORT AND GENERAL SUPPORT TROUBLESHOOTING
4-1.
This table lists malfunctions which may occur during operation or maintenance of the refrigerator or its
components. The manual cannot list all malfunctions that may occur, nor all test and inspections or
corrective action. If a malfunction is not listed or is not corrected by listed corrective actions, notify your
supervisor. Only those checks and corrective actions authorized for direct support and general support
maintenance are listed.
Malfunction
Test or Inspection
Corrective Action
REFRIGERATOR DOES NOT MAINTAIN DESIRED COOLING TEMPERATURE; UNSTABLE INTERNAL
TEMPERATURE.
Step 1.
Check installed refrigeration equipment in accordance with its TM.
Repair or Replace refrigeration cooling equipment as needed in accordance with its TM.
Step 2.
Check refrigerator walk-in door for proper closing and sealing at its gasket. Check for proper door
latch operation.
Replace door gasket per para. 3-28 if needed. Repair latch per para. 3-23 if necessary.
Step 3.
Inspect refrigerator ceiling, wall, and floor panel assemblies for cracks, holes, punctures on
surfaces, and other structural damage.
Repair refrigerator panels per para. 4-2, below. Replace entire panel assembly if framework is damaged.
Step 4.
Unstable internal temperatures or failure to maintain desired temperatures may b caused by
e
damaged or deteriorated gasket panels. If needed, disassemble refrigerator per para. 3-48 and
inspect all gasket panels for damage or deterioration.
Replace gasket panels per para. 3-18.
Section II. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE PROCEDURES.
4-2.
INITIAL SETUP.
TOOLS:
Pocket Knife
Screwdriver, Flat Tip
4-1
