High-Pressure Tubes (Early Config); Mid-Section To Evaporator Tube Removal; Mid-Section To Evaporator Tube Installation; High-Pressure Switch To Mid-Section Tube Removal - MD Helicopters MD Explorer Servicing And Maintenance

The receiver dehydrator must
CAUTION
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 the receiver
dehydrator (ref. Procedure 22.).
(5). Service AC system (ref. Section
12-00-00).
(6). Close Access Panel R210 (ref. Section
06-00-00).
28. High−Pressure Tubes (EARLY CONFIG)
A. Mid−Section To Evaporator Tube
Removal
(Ref. Figure 409)
(1). Remove access panels L155 and L210
(ref. Section 53-30-00).
(2). Evacuate AC system (ref. Section
12-00-00).
(3). Disconnect tube (16) from adapter (14)
and union (8).
(4). Remove nuts (5), screws (3), washers
(2), clamps (1), and tube (16).
B. Mid−Section To Evaporator Tube
Installation
(Ref. Figure 409)
(1). Connect tube to adapter and union.
(2). Install clamps, screws, washers, and
nuts.
(a). Torque nuts.
(3). Torque tube nuts 230 to 260 in-lb
(25.99 to 29.37 Nm).
The receiver dehydrator must
CAUTION
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 the receiver
dehydrator (ref. Procedure 22.).
(5). Service AC system (ref. Section
12-00-00).
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
(6). Install access panels L155 and L210
C. High−Pressure Switch to Mid−Section
(Ref. Figure 409)
(1). Remove access panels L155, L210, and
(2). Evacuate AC system (ref. Section
(3). Disconnect tube (19) from union (8) and
(4). Remove nuts (5), screws (3), washers
D. High−Pressure Switch to Mid−Section
(Ref. Figure 409)
(1). Connect tube to union and tee.
(2). Install clamps, screws, washers, and
(3). Torque tube nuts 230 to 260 in-lb
CAUTION
pressor is removed, or the AC system is
opened. An early failure of the compressor
can occur.
(4). Remove and replace the receiver
(5). Service AC system (ref. Section
(6). Install access panels L155, L210, and
E. Receiver Dehydrator to High−Pressure
(Ref. Figure 409)
(1). Remove Access Panel R210 (ref. Section
(2). Evacuate AC system (ref. Section
(3). Remove tube (22) from tee (68) and
21-50-00
(ref. Section 53-30-00).
Tube Removal
R210 (ref. Section 53-30-00).
12-00-00).
tee (68).
(2), clamps (1), and tube (19).
Tube Installation
nuts.
(a). Torque nuts.
(25.99 to 29.37 Nm).
The receiver dehydrator must
be replaced each time the com­
dehydrator (ref. Procedure 22.).
12-00-00).
R210 (ref. Section 53-30-00).
Switch Tube Removal
53-30-00).
12-00-00).
receiver dehydrator (26).
CSP−900RMM−2
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Revision 34