Airframe Fuel Filter; Airframe Fuel Filter Removal; Airframe Fuel Filter Installation - MD Helicopters MD900 Instructions Manual

15. Airframe Fuel Filter

(Ref. Figure 208)
Prevent fuel vapor ignition.
WARNING
Turn OFF and disconnect all
electrical power. Electrically ground
helicopter before opening fuel system.
Aviation Turbine Fuel
CAUTION
D Residual Fluids
D System Contamination
NOTE:
This task is typical for LH and RH air
frame fuel filters.
A. Airframe Fuel Filter Removal
(1). Gain access to components as necessary
(Ref. CSP−900RMM−2 Section
12−00−00).
(2). Disconnect battery and external power
(Ref. CSP−900RMM−2).
(3). Place suitable fuel container under fuel
filter drain line.
(4). Push the drain control (1) to drain fuel
from airframe fuel filter (2).
(5). Remove 22 bolts (3) and washers (4)
from access cover (5) and drain control
guard (6). Remove cover and drain
control guard.
(6). Disconnect electrical plug from connec
tor (7).
(7). Remove drain control (1)
(Ref. Drain Control Removal).
(8). Remove fitting seal (8) from enclosure
(9).
(a). Disconnect hose (10) from fitting seal
(8) on the exterior of the enclosure
(9).
(b). Remove nut (11), washer (12) and
adapter hose fitting (13) that attach
fitting seal (8) to the enclosure (9).
MD Helicopters Inc.
Optional Equipment Manual
900P5663200
(c). Remove lockwire and disconnect hose
(d). Remove fitting seal (8) from enclo
(9). Remove reducer fitting (14) from filter
(a). Remove lockwire from hose (15).
(b). Remove reducer fitting (14) and
(c). If necessary, disassemble reducer
(10). Disconnect inlet hose (19) and outlet
(a). If necessary, remove two external
(11). Remove three bolts (23), washers (24),
(12). Remove airframe fuel filter (2) from
B. Airframe Fuel Filter Installation
Item
C208
C229
C702
(1). If necessary, install two external
(2). Apply a bead of sealing compound
(3). Place airframe fuel filter (2) in enclo
Airframe Fuel Filter
(15) from adapter hose fitting (13).
sure (9).
bowl (2).
Remove hose.
packing (16) from filter bowl (2).
fitting (14), packing (16), fuel drain
valve (17), and packing (18).
hose (20) from filter bowl (2).
flareless tube reducers (21) and
packings (22) from airframe fuel
filter (2).
spacers (25) and bond jumper (26) from
airframe fuel filter (2) bracket (27).
enclosure (9).
Consumable Materials
(Ref. CSP–SPM)
Nomenclature
Sealing Compound, Fuel Resistant
Sealant, Conductive
Lockwire
flareless tube reducers (21) and pack
ings (22) onto airframe fuel filter (2).
Sealing Compound (C208)
(C208). around base of connector (7).
sure (9).
CSP–900–S4
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