TB-9-2320-279-13-1

TECHNICAL BULLETIN; AIR CONDITIONING SYSTEM

OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LISTS

DECEMBER 2005

TB-9-2320-279-13-1 - Page 424 of 524

TB 9-2320-279-13-1

0052-32

17.

Drill two pilot holes (25) in cab (26).

NOTE

Do not enlarge two pilot holes bigger than opening in insulation (6).

18.

Enlarge two pilot holes (25) with “nibbling” tool to allow two fittings (2 and 5) on heater/evaporator (3) to

pass through cab (26).

19.

Install two grommets (27) in cab (26).

20.

Install four PVC foam tape strips (28) on cab (26).

CAUTION

If fresh air box cover is not installed as

shown, evaporator vent tubes will not be

installed correctly.

Failure to comply may

cause damage to equipment.

21.

Soldier A supports plate (29) on

underside of vehicle while Soldier B

installs fresh air box cover (30) and plate

(29) on cab (26) with 14 screws (31).

22.

Install two grommets (32) in fresh air

box cover (30).