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b. Cleaning. The flame heater fuel filter
(1) Figure 141. (A) Disconnect fuel filter-
element can be cleaned by blowing compressed
to-fuel inlet solenoid valve tube from
air through element. Replace element when it
1/4 tube x 1/8 pipe union in filter out-
appears extremely dirty or deteriorated or
let port. (B) Remove union from fuel
filter. (C) Remove two No. 10 plain
when spring or gasket is defective.
nuts, No. 10 lock washers and No. 10
x 1-3/4 machine screws securing fuel
Warning: Particles blown by compressed
filter to flame heater fuel pump and
filter bracket. Remove fuel filter. Dis-
air are hazardous. Direct the air stream away
from personnel.
connect ground wire when machine
screw is removed.
c. Assembly. Refer to figure 142 and reverse
t h e- sequence of instructions to assemble the
(2) Figure 142. (A) Remove filter bowl from
filter head. (B) Remove gasket from
flame heater fuel filter. Use a new preformed
filter element. (C) Remove filter ele-
packing.
ment assembly from filter bowl. (D) Re-
move spring from filter element. (E)
D . Installation. Refer to figure 141 and re-
verse th e sequence of instructions to install
Remove and discard 1-19/64 id x 7/64
thk preformed packing from filter bowl.
the flame heater fuel filter assembly.
105
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