MD Helicopters MD Explorer - Supplemental Fuel Tank Filler Neck Adapter; Supplemental Fuel Tank Filler Neck Adapter Installation; Supplemental Fuel Tank Filler Neck Adapter Removal

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 403
Revision 1
28-10-00
2. Supplemental Fuel Tank Filler Neck
Adapter
A. Supplemental Fuel Tank Filler Neck
Adapter Removal
(Ref. Figure 402 and Figure 403)
(1). Defuel supplemental fuel tank (Ref.
Section 12-00-00).
(2). Remove baggage compartment floor
(Ref. Section 53-20-00).
(3). Remove bolts (63 and 65) and washers
(64 and 66) attaching supplemental fuel
filler neck cover (61) (Ref. Figure 403).
(4). Remove sealant from around periphery
of filler neck cover. Remove cover.
(5). Remove right side baggage floor panel
(Ref. Section 53-20-00).
(6). Remove bolt (5), washers (6), nut (7),
and clamp (12) (Ref. Figure 402) from
filler neck.
Aviation Turbine Fuel
(7). Loosen hose clamps (16) and slide hose
(13) up on filler neck (2) to expose tank
adapter (14).
(8). Remove bolts (15) and washers (17)
attaching adapter (14) to fuel tank.
(9). Remove adapter (14) from fuel tank.
(10). Remove and discard packing (21).
B. Supplemental Fuel Tank Filler Neck
Adapter Installation
(Ref. Figure 402)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C113 Fuel, Aviation Turbine
C216 Sealant, Fuel Resistant
Special Tools
(Ref. CSP−SPM)
Item Nomenclature
T1002 Milli−Ohm Meter
Aviation Turbine Fuel
NOTE: Lubricate new packing with aviation
turbine fuel (C113).
(1). Install new packing onto filler neck
adapter.
NOTE:
 If may be necessary to remove supple
mental fuel tank cover and assist filler
neck adapter alignment from within fuel
tank.
 Shop aides may be fabricated by removing
the heads from two (2) 1/4-28 bolts with
approximately 3 in. (7.62 cm) shanks. Ra
dius and deburr ends. Install shop aides
into two (2) lower adapter attach holes
through keel beam and thread into inserts
in fuel tank, hand tighten. After position
ing filler neck adapter, pull shop aides out
board and start the upper attach bolts. Re
move shop aides and continue installation.
(2). Align filler adapter mounting holes
with holes in keel beam and inserts in
fuel tank.
(3). Install filler adapter mounting bolts
and bonding jumper. Torque bolts (Ref.
CSP-SPM).
(4). Slide filler hose centered over gap
between filler adapter and filler neck.
Torque hose clamps (Ref. CSP-SPM).