TM 9-2320-289-34
10-9.
CAB HEATER DEFROSTER DUCT REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Equipment Condition
• Instrument pad assembly removed. (See TM 9-2320-289-20)
• Rear battery box removed (if truck is equipped with winterization kits), (See TM 9-2320-289-20)
• Heater assembly removed, (See TM 9-2320-289-20)
a .
REMOVAL
1 .
Remove 2 screws (3) and retainers (1), Remove defroster duct (6) through instrument panel
compartment opening (5).
2 .
Remove 2 “U” nuts (2) if damaged and discard.
b.
INSTALLATION
1 .
Install 2 new “ U“ nuts (2) to defroster duct (6) if removed.
2 .
Install defroster duct (6) through instrument panel compartment opening (5) and secure to
instrument panel assembly (4) with 2 screws (3) and retainers (1).
TA50413
Change 2
10-33
