MD Helicopters MD Explorer - Fuel Cell Access Cover; Fuel Cell Access Cover Installation; Fuel Cell Access Cover Removal

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 408
Original
28-00-00
2. Fuel Cell Access Cover
A. Fuel Cell Access Cover Removal
(Ref. Figure 402)
Aviation Turbine Fuel
(1). Defuel helicopter (Ref. Section
12-00-00).
(2). Remove cabin seats, if applicable (Ref.
Section 25-20-00).
(3). Remove carpet, if applicable (Ref.
Section 25-20-00.
(4). Remove cabin floor panels AL165,
AR165, A170 (Ref. Section 53-20-00).
System Contamination
NOTE: Record electrical bonding jumper loca
tion on each fuel cell cover. Reinstall in the
same location as removed.
(5). Remove bolt (1) and washer (2),
disconnecting electrical bonding jumper
(5) from fuel cell cover (3). Clean all
sealant compound from bonded area
(Ref. CSP-SPM).
(6). Remove remaining bolts (1) and
washers (2) attaching fuel cell covers to
fuel cell. Remove cover and discard
O-rings (4).
B. Fuel Cell Access Cover Installation
(Ref. Figure 402)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C109 Grease
C207 Sealing Compound, Fuel Resistant
Special Tools
(Ref. CSP−SPM)
Item Nomenclature
T801 Fuel Cell Rod
(1). Prepare access cover surface for
electrical bonding (Ref. CSP-SPM).
Grease (C109)
(2). Lubricate O-rings (4) with grease
(C109) and install on fuel cell cover (3).
(3). Install fuel cell access cover (3) on fuel
cell.
(4). Attach electrical bonding jumper (5) in
original location on fuel cell cover with
bolt (1) and washer (2).
(5). Install remaining bolts (1) and washers
(2). Torque bolts.
Sealing Compound (C207)
(6). Apply sealing compound (C207) over
bonding jumper area attachment bolts
(Ref. CSP-SPM).
(7). Install cabin floor panels AL165,
AR165, A170 (Ref. Section 53-20-00).
NOTE:
 Use fuel cell rod (T801) through hole in
floor panel to lift top of fuel cell for instal
lation of screws to support fuel cell to floor
panel. Install vapor seal plug in floor pan
el hole (Ref. Section 53-20-00).
 As an alternate method use high grade
steel all thread rods with large surface
flat washers and nuts. Insert threaded
rods through floor panel and threaded
hole in fuel access panel. Place large sur
face flat washers over floor panel and
threaded rods. With nuts installed on
threaded rods, turn the nuts down evenly
until fuel cell is located in correct position
to cabin floor panel.
(8). Perform fuel cell leak check/pressure
test (Ref. Section 28-00-00).
(9). Install carpet, if applicable (Ref. Section
25-20-00).
(10). Install cabin seats, if applicable (Ref.
Section 25-20-00).
CAUTION