Ecs Evaporator To Mid-Section Tube Installation - MD Helicopters MD Explorer Servicing And Maintenance

CSP−900RMM−2
(6). Remove tube (6).
(7). If necessary, remove union (7) and
packing (8) from evaporator (17).
(a). Discard packing (8).
D. ECS Evaporator To Mid−Section Tube
Installation
(Ref. Figure 410)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C610 Rubber, Expanded
C710 Tape, Glass Fabric
(1). If removed, install union (7) on evapo­
rator (17):
(a). Install packing (8) on evaporator (17)
side of union (7).
(b). Install union (7) with packing (8) on
evaporator (17).
(c). Torque union (7) 460 to 500 in-lb
(51.97 to 56.49 Nm).
(2). If tube (6) is a replacement, do these
steps:
(a). Wind rubber (C610) on surface of
tube (6) from 12 inch (305 mm) aft
of forward end to aft end.
(b). Wind glass fabric tape (C710) on
rubber (C610).
NOTE:
Do not put glass fabric tape (C710) on
forward 1.00 inch (25.4 mm) of rubber
(C610).
Page 444
Revision 34
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
21-50-00
(3). Connect tube (6) to unions (7).
(4). Install clamps (10) on tube (6).
(5). Attach clamps (10, 15) to bracket (13)
with washer (11) and screw (9).
(a). Torque screw (9) 20 to 25 in-lb (2.26
to 2.82 Nm).
(6). Attach clamps (10, 15) to bracket (14)
with washer (11) and screw (9).
(a). Torque screw (9) 20 to 25 in-lb (2.26
to 2.82 Nm).
(7). Torque both captive nuts of tube (6) 460
to 500 in-lb (51.97 to 56.49 Nm).
(8). Wind rubber (C610) on forward 12 inch
(305 mm) surface of tube (6).
(9). Wind glass fabric tape (C710) on rubber
(C610).
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.
(10). Remove and replace receiver dehydra­
tor (2) (ref. Procedure 22.).
(11). Service AC system (ref. Section
12-00-00).
(12). Install access panels L155 and L210
(ref. Section 53-30-00).