ARMY
TM 5-6115-612-12
MARINE CORPS TM 6115-12/7
AIR FORCE
T0 35C2-3-471-1
N A VY
AG-320B0-0MM-000
4-36.
FUEL LINES,
VALVES,
FITTINGS
(INTERNAL). (cont)
a.
Removal. (cont)
(3) Refer to figure 4-25 for
layout of fuel lines, valves,
and
fittings.
Remove attaching parts and
damaged components as required.
b. Insta llation.
(1) Install new components and
secure with attaching parts.
(2) Close fuel housing (paragraph
4-34C).
4-37. ELECTRICAL FUEL TRANSFER PUMP.
Maintenance of the electrical
fuel
transfer pump consists of testing,
servicing, and replacement.
a. Test.
(1) Gain access to fuel housing
(paragraph 4-34a).
(2) Open control
panel
access
door.
Ensure that MASTER SWITCH is in
OFF position.
(3) Disconnect
fuel
line at
outlet port (8,
figure 4-26) of fuel
transfer pump.
Connect direct reading
pressure gage to outlet port.
(4) Place MASTER SWITCH in RUN
position to pressurize fuel system.
Pressure gage
should read 5-7 psi
(34-48 kPa).
If not, pump is faulty
and
should be
serviced (paragrah
4-37b) or
(5)
position
door.
(6)
pressure
reconnect
4-90
replaced (paragraph 4-37c).
Place MASTER SWITCH in OFF
Close control panel access
Remove
direct
reading
gage from outlet port and
fuel line.
(7) Close fuel housing (paragraph
4-34C).
b. Service.
(1) Gain access to fuel housing
(paragraph 4-34a).
(2) Place
suitable
container
under fuel transfer pump.
(3) Remove
screws
(1,
figure
4-26),
cover
(2),
gasket (3), and
filter (4) from body (5).
WARNING
Compressed air used for cleaning
or drying can
create airborne
particles that may enter the
eyes.
Pressure shall not exceed
30 psi
(207 kPa).
Wear eye
protection to prevent eye Injury.
(4) Clean
filter
(4)
with
compressed air.
(5) Install filter (4) and new
gasket (3).
(6) Install cover (2) and secure
with screws (1).
(7) Close fuel housing (paragraph
4-34C).
c.
Removal.
(1) Gain access to fuel housing
(paragraph 4-34a).
(2) Drain fuel system (paragraph
4-34b).
(3) Tag
and
disconnect
fuel
transfer pump electrical connector (6).
