MD Helicopters MD Explorer - Valve to Deck Tube Assembly (900 CONFIG); Valve to Deck Tube Assembly Installation; Valve to Deck Tube Assembly Removal

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 413
Original
21-40-00
12. Valve To Deck Tube Assembly (900
CONFIG)
A. Valve to Deck Tube Assembly Removal
(Ref. Figure 404)
(1). Open right engine cowl assembly R260
(Ref. Section 06-00-00).
(2). Remove baggage compartment interior
trim roof insulation panel (Ref. Section
25-50-00).
(3). Remove right aft station 230.00
bulkhead baggage compartment
interior trim insulation panels (Ref.
Section 25-50-00).
(4). Remove bolts (22) from deck tube
assembly (19) flange and engine deck
and tube assembly (21). Remove and
discard deck gaskets (20) from top and
bottom of engine deck.
(5). Remove support clamp and attaching
hardware from deck line assembly.
(6). Disconnect flexible coupling (13) and
retainer (12) from deck tube assembly
(19) at bleed air flow control shutoff
valve (17).
(7). Retain spacer fitting (14). Remove and
discard seals (15) from flow control
shutoff valve and deck tube assembly.
(8). Remove tube assembly.
B. Valve to Deck Tube Assembly Installation
(Ref. Figure 404)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C211 Sealing Compound, Corrosion Inhibitive
(1). Install new gaskets on top and bottom
of engine deck between deck assembly
and tube flanges.
(a). Install bolts in tube assembly flange
through engine deck and flange of
tube assembly. Torque bolts.
Sealing Compound (C211)
(b). Apply sealing compound (C211) to
faying surfaces of tube assembly
flange (19 and 21) (Ref. Section
20-50-00).
(2). Install threadless flexible coupling seals
with cup facing tube end (Ref. Section
21-40-00).
(3). Install spacer fittings, connecting bleed
air flow control shutoff valve to deck
tube assembly with retainer and
flexible coupling.
(4). Install support clamp and attaching
hardware to deck tube assembly.
(5). Install right aft station 230.00 bulk
head baggage compartment interior
trim insulation panels (Ref. Section
25-50-00).
(6). Install baggage compartment interior
trim roof insulation panel (Ref. Section
25-50-00).
(7). Close right engine cowl assembly R260
(Ref. Section 06-00-00).