Condenser (Current Config); Condenser Removal; Condenser Installation - MD Helicopters MD Explorer Servicing And Maintenance

21. Condenser (CURRENT CONFIG)

A. Condenser Removal
(Ref. Figure 407)
NOTE:
This task is typical for the left or right
condenser.
(1). Evacuate AC system (ref. Section
12-00-00).
(2). Remove access panels T155 and T220
(ref. Section 53-30-00).
(3). Remove forward fairing support (ref.
Section 53-30-00).
Install plugs in tube nuts imme­
CAUTION
diately after they are discon­
nected. Unwanted material can get in tubes
without plugs.
(4). Disconnect tubes (7, 8).
(5). Install plugs in tube nuts.
NOTE:
Be careful when you remove sealant
from around electrical bond jumper (17).
(6). Remove bolts (15) and washers (14).
(7). Remove bolts (10) and washers (9).
(8). Remove bolts (12) and washers (13).
(9). Remove bolts (4) and washers (3).
(10). Remove condenser (6) and inlet cooling
duct (11).
(11). Remove bolt (1), washer (2), and
condenser (6).
B. Condenser Installation
(Ref. Figure 407)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C211 Sealing Compound, Corrosion Inhibitive
C216 Sealant, Fuel Resistant
NOTE:
This task is typical for the left or right
condensers.
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
(1). Prepare mating surfaces of electrical
(2). Install condenser (6) on inlet cooling
(3). Put condenser (6) and inlet cooling duct
(4). Install end of electrical bond jumper
NOTE:
washer under the bolt head to get a clear­
ance between the bolt and condenser or the
bolt and heat exchanger.
(5). Install bolts (12) and washers (13).
(6). Environmentally seal bolts (12) and
(7). Test the condenser for a Class "H"
(8). Environmentally seal bolts (15) and
(9). Connect inlet tube (7) and outlet tube
21-50-00
bond jumper (17), condenser (6), and
heat exchanger mount (16) for an
electrical bond (ref. CSP-SPM, Section
20-50-00).
duct (11) with washers (2) and bolts (1).
(11) between heat exchanger (5) and
heat exchanger mounts (16).
(17) between inlet cooling duct (11) and
heat exchanger mount (16).
If necessary, you can add one additional
(a). Torque bolts (12) 36 to 46 in-lb
(4.07 to 5.19 Nm).
Sealing Compound (C211)
washers (13) with sealing compound
(C211) (ref. CSP-SPM, Section
20-50-00).
electrical bond (ref. CSP-SPM, Section
20-50-00).
Sealant, Fuel Resistant (C216)
electrical bond jumper (17) with sealant
(C216) (ref. CSP-SPM, Section
20-50-00).
(8).
(a). Torque captive nuts of tubes (7, 8)
230 to 260 in-lb (25.99 to 29.38
Nm).
CSP−900RMM−2
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Revision 34