MD Helicopters MD Explorer - Evaporator Installation; Evaporator Outlet Shroud (CURRENT CONFIG); Outlet Shroud Removal; Outlet Shroud Installation

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 415
Revision 34
21-50-00
B. Evaporator Installation
(Ref. Figure 405)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C610 Rubber, Expanded
C710 Tape, Glass Fabric
(1). Put evaporator (12) and gasket (8) in
their installed position.
(2). Install washers (11) and screws (10).
(a). Torque screws (10) 20 to 25 in-lb
(2.26 to 2.82 Nm).
(3). Install inlet shroud (23) (ref. Procedure
12.B.).
(4). Install packing (8) and union (9) in the
outlet of evaporator (12).
(a). Torque union (9) 460 to 500 in-lb
(51.97 to 56.49 Nm).
(5). Connect tube (25) to union (9).
(a). Torque the captive nut of tube (25)
460 to 500 in-lb (51.97 to 56.49
Nm).
(6). Make sure washer (29) and strainer
(30) are installed in expansion valve
(4).
(7). Install adapter (5).
(a). Torque adapter (5) 230 to 260 in-lb
(25.99 to 29.38 Nm).
(8). Connect tube (24) to adapter (5).
(a). Torque the captive nut of tube (24)
230 to 260 in-lb (25.99 to 29.38
Nm).
(9). Put sense element (34) against tube
(25) at the 3 or 9 o'clock position, no
more than 12 inch (305 mm) along
tube (25) from the outlet of evaporator
(12).
(10). Put rubber (C610) (35) around sense
element (34) and the full length of tube
(25).
(11). Wind glass fabric tape (C710) (36) on
rubber (C610) (35).
The receiver dehydrator must
be replaced each time the com
pressor is removed, or the AC system is
opened. An early failure of the compressor
can occur.
(12). Remove and replace the receiver
dehydrator (ref. Procedure 22.).
(13). Service AC system (ref. Section
12-00-00).
14. Evaporator Outlet Shroud (CURRENT
CONFIG)
A. Outlet Shroud Removal
(Ref. Figure 405)
(1). Remove evaporator (12) (ref. Procedure
13.A.).
(2). Remove band clamp (22).
(3). Disconnect duct (18) from outlet shroud
(1).
(4). Remove screws (14) and washers (15).
(5). Remove screws (6), washers (7), and
outlet shroud (1).
B. Outlet Shroud Installation
(Ref. Figure 405)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C205 Sealing Compound
(1). Install outlet shroud (1), washers (7),
and screws (6).
(a). Torque screws (6) 20 to 25 in-lb
(2.26 to 2.82 Nm).
Sealing Compound (C205)
(2). Apply sealing compound (C205) to
mating surfaces, washers (7), and
screws (6).
(3). Install screws (14) and washers (15).
CAUTION