4-13. CARGO DOOR VENT ASSEMBLY. - Continued
Use eye goggles when drilling metal parts. Failure to do so may
result in serious eye injury from flying metal fragments.
(1) Repair by replacing door latch (1) on cargo door vent assembly (2).
(a) Using an electric drill, drill out blind rivets (3) on wing latch.
(b) Install replacement latch (1) using riveter and blind rivets.
(2) Repair by replacing torsion spring (4) on cargo door vent assembly (2).
(a) Open vent door (5).
(b) Remove screws (6) and washers (7).
(c) Remove spring (4).
(d) Install replacement spring (4) and secure with washers (7) and screws (6).
(3) Repair by replacing push-button switch (12) on cargo door vent assembly (2).
(b) Open vent door (5).
(c) Remove screw (8) securing switch cover (9) to vent assembly housing (10) and remove switch cover (9).
(d) Disconnect electrical wiring (11) from switch (12). (Tag wires for reinstallation on replacement switch.)
(e) Pull knob (13) off switch (12), remove nut (14), and remove switch (12). (f)
Connect electrical wiring (1) to
replacement switch (12) and remove tags.
Air conditioner will not operate with vent door closed when pushbutton switch is operational.
(g) Secure replacement switch (12) to vent assembly housing using nut (14).
(h) Push on knob (13).
Position switch cover (9) and secure with screw (8).
Close and secure vent assembly door (5).