TB-9-2510-251-13

TECHNICAL BULLETIN

OPERATOR AND FIELD MAINTENANCE; INSTALLATION MANUAL (INCLUDING REPAIR PARTS LIST); FOR ADD-ON-ARMOR (AoA) AIR CONDITIONING

AUGUST 2007

TB-9-2510-251-13 - Page 302 of 624

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TB 9-2510-251-13

INITIAL SETUP

Equipment Conditions:

Materials/Parts:

Engine Shut Down (TM 9-2320-280-10)

Tag, Marker (Item 11, Appendix D)

Air Conditioning System Discharged (para 4-14)

Batteries Disconnected (TM 9-2320-280-10)

Personnel Required:

Disconnect Wiring

(1) MOS 52C - Utilities Equipment Repairer

Remove Refrigerant Hoses

Tools and Test Equipment:

General Mechanic’s Tool Kit (Item 1, Appendix B)

Refrigeration Tool Kit (Item 4, Appendix B)

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Air Conditioning Unit Repair

This task covers:

a. Access Panel Removal

b. Distribution Plenum and Centrifugal Fan Repair

c.

Evaporator Coil Replacement

d. Filter Element Replacement

e. Access Cover Repair

f.

Follow-On-Maintenance

General

When the air conditioning system must undergo initial service or maintenance that requires opening

the system, the system must be discharged prior to maintenance and purged and charged after

maintenance.