MD Helicopters MD Explorer - Condenser to Keel Beam Tube Installation; Keel Beam to Condenser Tube Removal; Keel Beam to Condenser Tube Installation; High-Pressure Tubes (CURRENT CONFIG)

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 437
Revision 34
21-50-00
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Disconnect tube (7) from unions (8).
(4). Remove tube (7)
V. Condenser to Keel Beam Tube
Installation
(1). Connect tube to unions.
(2). Torque the captive nuts of tube 230 to
260 in-lb (25.99 to 29.37 Nm).
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.
(3). Remove and replace the receiver
dehydrator (ref. Procedure 22.).
(4). Service AC system (ref. Section
12-00-00).
(5). Install baggage compartment floor
center panel (ref. Section 53-20-00).
W. Keel Beam to Condenser Tube Removal
(Ref. Figure 409)
(1). Remove baggage compartment floor
center panel (ref. Section 53-20-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Remove tube (6) from unions (8).
X. Keel Beam to Condenser Tube
Installation
(Ref. Figure 409)
(1). Connect tube to unions.
(2). Torque tube nuts 230 to 260 in-lb
(25.99 to 29.37 Nm).
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.
(3). Remove and replace the receiver
dehydrator (ref. Procedure 22.).
(4). Service AC system (ref. Section
12-00-00).
(5). Install baggage compartment floor
center panel (ref. Section 53-20-00).
29. High−Pressure Tubes (CURRENT
CONFIG)
A. Evaporator to Sight Glass Tube Removal
(Ref. Figure 409)
(1). Remove Access Panel L155 (ref. Section
53-30-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Remove tube (42) from sight glass (41)
and adapter (14).
B. Evaporator to Sight Glass Tube
Installation
(Ref. Figure 409)
(1). Install tube (42) between sight glass
(41) and adapter (14).
(a). Torque the captive nuts of tube (42)
230 to 260 in-lb (25.99 to 29.37
Nm).
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.
(2). Remove and replace receiver dehydra
tor (26) (ref. Procedure 22.).
(3). Service AC system (ref. Section
12-00-00).
(4). Install Access Panel L155 (ref. Section
53-30-00).
C. Sight Glass Removal
(Ref. Figure 409)
(1). Remove Access Panel L155 (ref. Section
53-30-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Disconnect tube (42) and tube (43) from
sight glass (41).
CAUTION
CAUTION
CAUTION