TM 9-2320-260-20
12-44. BONNET ACCESS DOOR MAINTENANCE (Contd)
d. Assembly
NOTE
Insulate areas of dissimilar metal-to-metal contact with zinc
chromate primer.
Seal between exterior joints with sealing compound.
Insulate all enclosed structures with fibrous glass felt insulation.
Perform step 1 if inner panel is to be installed (subtask c.).
Assistant will help with steps 1 and 2.
1.
Install inner panel (4) on door frame (18) with seventy-four new rivets (16).
2. Install new seal (1), three retainers (15), and outer panel (19) on door frame (18) with thirty-three
screws (20), nuts (14), and seventy-four new rivets (21).
3. Install holder bracket (7) and rod (9) on inner panel (4) with four screws (8).
4. Install screw (12) and two nuts (10) on bracket (11).
5. Install bracket (11) on inner panel (4) with two screws (13).
6. Install two angle brackets (5) on inner panel (4) with four screws (6).
7. Install new seal (1) and hinge (2) on door frame (18) with twelve screws (3).
NOTE
Assistant will help with installation.
Install access door (24) on bonnet frame (22) with twelve screws (23).
12-92
