TM 9-2320-260-34-2
15-45. CEILING AIR DUCTS AND SUPPORTS REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-260-10).
M820, M820A1, M82A2
Van body sides fully expanded and secured
TOOLS
(TM 9-2320-260-10).
General mechanic's tool kit
Ceiling rear cover removed (para. 15-40 or 15-41).
(Appendix B, Item 1)
Ceiling filler and side panels removed
(M820, M820A2) (para. 15-44).
MATERIALS/PARTS
Ceiling registers and deflectors removed (M820A1)
Primer (Appendix C, Item 31)
Ceiling lights removed (M820A1) (para. 15-93).
PERSONNEL REQUIRED
Two
GENERAL SAFETY INSTRUCTIONS
Gloves, eyeshields, and dust mask must be worn
REFERENCES (TM)
during duct and support replacement.
TM 9-2320-260-10
TM 9-2320 -260-34P-2
Van body is insulated with fibrous glass felt insulation. Gloves,
eyeshields, and dust mask must be worn during duct and support
replacement. Failure to do so may result in injury to personnel.
NOTE
Perform step 1 for M820 and M820A2 vehicles.
Perform step 2 for M820A1 vehicles.
1. Remove fifty-two screws (8) and two enclosures (9) from air ducts (4) and (7).
2. Remove seventy-two screws (8) and two enclosures (9) from air ducts (4) and (7).
3. Remove fourteen screws (6) from air ducts (4) and (7) and support (3).
4. Remove sixteen screws (5) and air duct (4) from ceiling (1).
5. Remove eighteen screws (10) and air duct (7) from ceiling (1).
6. Remove nine screws (2) and support (3) from ceiling (1).
NOTE
Perform step 7 for M820 and M820A2 vehicles.
Perform step 8 for M820A1 vehicles.
7. Remove fifty-two screws (21) and two enclosures (20) from air ducts (11) and (18).
8. Remove seventy-two screws (21) and two enclosures (20) from air ducts (11) and (18).
9. Remove eight screws (17) and four screws (19) from air ducts (11) and (18) and supports (12)
and (14).
10. Remove eighteen screws (16) and air duct (18) from ceiling (1).
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