CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 206
Original
21-20-00
B. Vent Air Supply Plenum Assembly
Installation
(Ref. Figure 204)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C205 Sealing Compound
NOTE: If seal between duct assembly and deck
has been broken it is necessary to reseal the
duct assembly. Remove old sealant and
clean faying surfaces. Apply sealing com
pound (C205) to faying surfaces and install
fasteners.
(1). Place vent air supply plenum assembly
(4) in position and install screws (9) and
washers (10) through roof deck duct
assembly (8).
Torque screws (9).
Sealing Compound (C205)
(2). Apply sealing compound (C205) to cover
faying surfaces between duct and deck
structure (Ref. CSP-SPM, Section
20-50-00).
(3). Connect plenum assembly flexible ducts
(6) to gasper assembly plenum caps (7)
with hose clamps (5). Torque hose
clamps (5).
(4). Connect flexible ducts (2 and 3) to
plenum assembly (4) with hose clamps
(1). Torque hose clamps (1).
(5). Install cabin compartment interior roof
panels (Ref. CSP-SPM, Section
25-20-00).
(6). Close left-hand forward access door
assembly L155 (Ref. Section 06-00-00).
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