TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 183 of 991
TM 9-2320-272-24-2
3-297. CAB HEAT AND DEFROST AIR DUCTING REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
All
TOOLS
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
b. Installation
a. Removal
1.
Remove eight screws (3) and instrument cluster (2) from instrument panel (1).
2.
Loosen six clamps (10) and remove cab heat ducting hose (7) and defrost ducting hoses (4) and (6)
from diverter (5), exhaust flange (8), and two defrost air flanges (9).
1.
Install cab heat ducting hose (7) on diverter (5) and exhaust flange (8) with clamps (10).
2.
Install defrost ducting hoses (4) and (6) on defrost air flanges (9) with clamps (10).
3.
Install instrument cluster (2) on instrument panel (1) with eight screws (3).
3-791
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