TM 9-4520-258-14
4-22.
DUCT COVER ASSEMBLY.
This task consists of:
a. Removal
b. Inspection
c. Repair d. Installation
INITIAL SETUP:
Tools:
Material/Parts:
Tool Kit, General Mechanics (Item 1, App B)
Anti-seizing Compound (Item 3, App E)
Lockwasher (Item 8, App H)
Equipment Condition:
Unit disconnected from power source (para 2-8)
a.
Removal (Refer to Figure 4-24)
NOTE
Both covers are the same.
(1)
Loosen two screws (1), turn duct cover (2) clockwise (right) and remove duct cover (2).
(2)
Remove screw (3), lockwasher (4), flat washer (5), and cable (6). Discard lockwasher.
b.
Inspection
(1)
Inspect cover for cracks, or holes.
(2)
Inspect cable assembly for fraying cable or missing hardware.
c.
Repair
(1)
Repair of duct cover assembly is limited to replacement of damaged parts.
(2)
If cable assembly (6) is damaged, fabricate new cable assembly (Item 58, App F).
(3)
Remove locknut (7), flat washer (8), screw (9), and cable assembly (6) from cover (2).
(4)
Attach cable assembly (6) on cover (2) using screw (9), flat washer (8) and locknut (7).
d.
Installation (Refer to Figure 4-24)
(1) Apply anti-seizing compound (Item 3, App E) to screw (3). Install cable (6), screw (3), flat washer (4),
and lockwasher (5).
(2)
Align duct cover (2) so two screws (1) protrude through cover.
(3)
Turn duct cover (2) counter clockwise (left) and tighten two screws (1).
4-90
