MD Helicopters MD Explorer - Closeout Panels; Light Support Units; Light Support Units Installation; Light Support Units Removal

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 405
Original
25-20-00
12. Light Support Units
A. Light Support Units Removal
(Ref. Figure 403)
(1). Disengage pull pins (4) and guide pins
(5) that attach center roof panel (6).
(2). Remove area light unit (10) (Ref.
Section 25-20-00).
(3). Remove screws (11) and washers (12)
that attach light support units (9) to
forward and aft passenger service unit
(PSU) panels (7).
B. Light Support Units Installation
(Ref. Figure 403)
(1). Install screws (11) and washers (12)
attaching light support units (9) to
forward and aft PSU panels (7).
(2). Install area light unit (10) (Ref.
25-20-00).
(3). Engage pull pins (4) and guide pins (5)
attaching center roof panel (6).
13. Passenger Service Unit (PSU) Panels,
Forward and Aft (Commercial and
Business)
A. PSU Panels Removal
(Ref. Figure 403)
(1). Remove forward, aft and center roof
panels (6) (Ref. Section 25-20-00).
(2). Remove screws (11) and washers (12)
that attach light support units (9) to
Fwd and Aft passenger service unit
(PSU) panels (7). Disconnect electrical
connections from area light units (10).
(3). Remove screws (13) and washers (12)
that attach Fwd and Aft PSU panels (7)
to roof structure.
B. PSU Panels Installation
(Ref. Figure 403)
(1). Install electrical connections to area
light units (10).
(2). Install screws (13) and washers (12)
attaching passenger service unit (PSU)
panels (7) to roof structure.
(3). Install light support units (9) and
secure to PSU panels (7) with screws
(11) and washers (12).
(4). Install forward, aft and center roof
panels (6) (Ref. Section 25-20-00).
14. Soundproofing (902 CONFIG) (Business)
A. Soundproofing Removal
(Ref. Figure 403)
(1). Remove cabin trim interior wall panels.
(2). Remove soundproofing (25) panels.
B. Soundproofing Installation
(Ref. Figure 403)
(1). Install soundproofing (25) panels.
(2). Install cabin trim interior wall panels.
15. Closeout Panels
A. Closeout Panels Removal
(Ref. Figure 403)
(1). Remove forward, center and aft roof
panels (6) (Ref. Section 25-20-00).
(2). Remove light support units (9) (Ref.
Section 25-20-00).
(3). Remove aft and forward PSU panels (7)
(Ref. Section 25-20-00).
(4). Remove screws (11) and washers (12)
that attach closeout panels (14) to roof
structure.