MD Helicopters MD Explorer - Evaporator Fan; Evaporator Fan Removal; Evaporator Fan Installation

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 407
Revision 34
21-50-00
4. Evaporator Fan
A. Evaporator Fan Removal
(Ref. Figure 403)
(1). Remove Access Panel T155 (ref. Section
53-30-00).
(2). Remove V-band clamp (9) and duct
(10).
(3). Disconnect Electrical Connector P516
(8).
(4). Carefully remove sealant from the
bottom of evaporator fan (1) and upper
deck.
(5). Remove screws (6) and washers (3) to
disconnect flexible duct (7) from
evaporator fan (1).
(6). Remove screws (4, 5) and washers (3).
(7). Remove evaporator fan (1).
(8). Remove washers (2).
NOTE: Washers (2) are only installed with the
-101 evaporator fan.
B. Evaporator Fan Installation
(Ref. Figure 403)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C205 Sealing Compound
(1). Prepare mating surfaces of evaporator
fan (1) and the upper deck for an
electrical bond (ref. CSP-SPM, Section
20-50-00).
(2). Install washers (2) between the upper
deck and evaporator fan (1).
NOTE: Only install washers (2) with the -101
evaporator fan.
(3). Install evaporator fan (1) with washers
(3) and screws (4, 5).
(a). Torque screws (4, 5) 20 to 25 in-lb
(2.26 to 2.82 Nm).
Sealing Compound (C205)
(4). Environmentally seal screws (4, 5),
washers (3), and mating surfaces with
sealing compound (C205) (ref. CSP-
SPM, Section 20-50-00).
(5). Attach flexible duct (7) to evaporator
fan (1) with screws (6) and washers (3).
(a). Torque screws (6) 20 to 25 in-lb
(2.26 to 2.82 Nm).
(6). Connect Electrical Connector P516 (8).
(7). Install V-band clamp (9) and duct (10).
(8). Install Access Panel T155 (ref. Section
53-30-00).