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

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 401
Revision 30
28-00-00
FUEL SYSTEM
REMOVAL/INSTALLATION
1. Fuel Cell
A. Fuel Cell Removal
(Ref. Figure 401)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C707 Tape, Pressure Sensitive
Aviation Turbine Fuel
(1). Defuel helicopter (Ref. Section
12-00-00).
(2). If necessary, remove cabin seats (Ref.
Section 25-20-00).
(3). If necessary, remove carpet (Ref.
Section 25-20-00).
(4). Remove panels AL155, AR155, A160,
AL165, AR165, A170, A217, AL230,
and AR230 (Ref. Section 53-20-00).
(5). Remove panel B178 (Ref. Section
06-00-00).
System Contamination
(6). Remove fuel cell access covers.
(7). Remove forward and aft fuel quantity
probes.
(8). Remove left and right fuel cell frangible
valves.
(9). Remove single and dual vent/rollover
valves.
(10). Remove fuel filler neck flexible coupling
(8, Figure 407) and remove and discard
o-rings (7).
(11). Remove sealant from bolt heads (26,
Figure 401).
(12). Remove bolts (26) and washers (27).
(13). Remove sealant from bolt heads (23).
(14). Remove bolts (23) and washers (24).
(15). Remove and discard o-ring (25).
(16). Disconnect booster pump wire har
nesses (10, Figure 403) as follows:
(a). Remove screw (16) from left booster
pump and disconnect A111 (Q12D16)
wire positive (+) terminal.
(b). Remove screw (16) from right booster
pump and disconnect A112 (Q13C16)
wire positive (+) terminal.
(c). Remove screw (17) from left booster
pump, push up on shut-off lever arm.
Remove A111 (Q35A16N) and
(Q35B16) wire from negative (-)
terminal.
(d). Remove screw (17) from right booster
pump, push up on shut-off lever arm.
Remove A112 (Q36A16N) and
(Q36B16) wire from negative (-)
terminal.
(17). Disconnect forward and aft fuel sump
drain valve controls.
(18). Remove bolts (28) and washers (29).
 Do not fold fuel cell in temperatures less
than 50 °F (10 °C).
 Do not use fuel cell metal fittings to lift or
move fuel cell. Damage to the barrier that
you can not see can occur.
(19). Carefully remove fuel cell (1).
NOTE: If fuel cell is to be replaced, do the steps
that follow:
(20). Remove fuel sump drain valves.
(21). Remove fill port check valve.
(22). Remove screws (19), washers (20), and
clamps (21) from left and right inner
CAUTION
CAUTION