Air Ducts Replacement

TM 9-2320-363-34-1 · Chapter 10 — Body, Cab, Hood, and Hull Maintenance

1. INSTALL DOOR (1), SHAFT (2), AND RETAINER (3).

2. INSTALL DUCT (4) AND TWO SCREWS (5).

3. INSTALL AIR CYLINDER (6) AND TWO RETAINERS (7).

4. INSTALL AIR CYLINDER (8) AND TWO RETAINERS (9).

5. INSTALL COVER (10) AND TWO SCREWS (11).

6. INSTALL MAIN DUCT ASSEMBLY (12) AND THREE SELF-TAPPING SCREWS (13).

7. INSTALL FLEX HOSE (14) AND TIE WRAP (15).

8. INSTALL FLEX HOSE (16) AND FIVE CLIPS (17) ON DUCT (18).

9. INSTALL DUCT (18) AND TWO SELF-TAPPING SCREWS (19).

10. INSTALL FLEX HOSE (20), DUCT (21), AND TIE WRAP (22).

Install dashboard (page 10-3).

AIR   DUCTS         REPLACEMENT

This task covers:     a. Removal b. Cleaning        c. Inspection d. Installation

Applicable Configuration: Equipment Condition:

All except M915A2 and M916A1                            Reference              Condition Description

Tools and Special Equipment:                            Page 10-3              Dashboard Removed

Tool Kit. SC 5180-90-CL-N26

1. REMOVE EIGHT RETAINERS (1) AND FOUR AIR CYLINDERS (2).

2. REMOVE TWO SELF-TAPPING SCREWS (3) AND SEPARATE FLEX TUBING (4) FROM DUCT (5).

3. REMOVE TWO SCREWS (6), DUCT OUTLET (7), AND DUCT (5).

4. REMOVE TWO SELF-TAPPING SCREWS (8), DUCT (9), AND FLEX TUBING (4).

5. REMOVE FIVE CLIPS (10) AND SEPARATE FLEX TUBING (4) FROM DUCT (9).

6. REMOVE HOSE CLAMP (11), FLEX TUBING (12), AND DUCT OUTLET (13).

7. REMOVE TWO SELF-TAPPING SCREWS (14) AND SEPARATE FLEX TUBING (12) FROM DUCT OUTLET (13).

8. REMOVE SELF-TAPPING SCREW (15), SPEED NUT (16), AND OUTLET DUCT (17) FROM DUCT (18).

9. REMOVE SELF-TAPPING SCREW (19), WASHER (20), SPRING NUT (21), AND DUCT (18).

10. REMOVE SCREW (22), VENT (23), AND GASKET (24).

11. REMOVE THREE SELF-TAPPING SCREWS (25) AND FACE DUCT (26).

Use general cleaning methods to clean all parts (page 2-30).

Inspect all parts for wear or damage.

1. INSTALL FACE DUCT (1) AND SECURE WITH THREE SELF-TAPPING SCREWS (2).

2. INSTALL GASKET (3), VENT (4), AND SECURE WITH SCREW (5).

3. INSTALL DUCT (6) AND SECURE WITH SPRING NUT (7), WASHER (8), AND SELF-TAPPING SCREW (9).

4. INSTALL OUTLET DUCT (10) AND SECURE WITH SPEED NUT (11) AND SELF-TAPPING SCREW (12).

5. CONNECT FLEX TUBING (13) TO DUCT OUTLET (14) AND SECURE WITH TWO SELF-TAPPING SCREWS (15).

6. CONNECT FLEX TUBING (13) TO FACE DUCT (1) AND SECURE WITH HOSE CLAMP (16).

7. CONNECT FLEX TUBING (17) TO DUCT (18) AND SECURE WITH FIVE CLIPS (19).

8. CONNECT DUCT (18) TO FACE DUCT (1) AND SECURE WITH TWO SELF-TAPPING SCREWS (20).

9. CONNECT FLEX TUBING (17) TO DUCT (21) AND SECURE WITH TWO SELF-TAPPING SCREWS (22).

10. INSTALL DUCT (21) TO DUCT OUTLET (23) AND SECURE WITH TWO SCREWS (24).

11. INSTALL FOUR AIR CYLINDERS (25) AND SECURE WITH EIGHT RETAINERS (26).

Install dashboard (page 10-3).