MD Helicopters MD Explorer - High-Pressure Switch to Tee Tube Installation; High-Pressure Switch to Tee Tube Removal; Left Condenser to High-Pressure Switch Tube Installation; Tee to Right Condenser Tube Installation

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 440
Revision 34
21-50-00
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Remove tube (45) from tee (68) and LH
condenser (69).
(4). Remove screws (3), washers (2), clamps
(1), and tube (45).
P. Left Condenser to High−Pressure Switch
Tube Installation
(Ref. Figure 409)
(1). Install tube (45) between tee (68) and
LH condenser (69).
(2). Install clamps (1), screws (3), and
washers (2).
(a). Torque screws (3).
(3). Torque captive nuts of tube 230 to 260
in-lb (25.99 to 29.38 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.
(4). Remove and replace receiver dehydra
tor (26) (ref. Procedure 22.).
(5). Service AC system (ref. Section
12-00-00).
(6). Install access panels L210 and R210
(ref. Section 53-30-00).
Q. High−Pressure Switch to Tee Tube
Removal
(Ref. Figure 409)
(1). Remove Access Panel R210 (ref. Section
53-30-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Remove tube (46) from tee (68) and tee
(47).
R. High−Pressure Switch to Tee Tube
Installation
(Ref. Figure 409)
(1). Connect high-pressure switch to tee
tube (46) to tees (47, 68).
(a). Torque captive nuts of tube (46) 230
to 260 in-lb (25.99 to 29.38 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 R210 (ref. Section
53-30-00).
S. Tee to Right Condenser Tube Removal
(Ref. Figure 409)
(1). Remove Access Panel R210 (ref. Section
53-30-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Remove tube (49) from tee (47) and RH
condenser.
T. Tee to Right Condenser Tube Installation
(Ref. Figure 409)
(1). Install tube (49) between tee (47) and
RH condenser.
(a). Torque the captive nuts of tube (49)
230 to 260 in-lb (25.99 to 29.38
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 R210 (ref. Section
53-30-00).
CAUTION
CAUTION
CAUTION