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Page Title:
Section XVI. OVERHAUL OF CRANKCASE BREATHER TUBES, FIRE EXTINGUISHER TUBE, INJECTION PUMP ELECTRICAL LEAD, AND MANIFOLD HEATE... |
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 Section
XVI.
OVERHAUL
OF
CRANKCASE
BREATHER
TUBES,
FIRE
EXTINGUISHER
TUBE,
INJECTION
PUMP
ELECTRICAL
LEAD,
AND
MANIFOLD
HEATER
FUEL
TUBES,
FILTER
AND
ELECTRICAL
COMPONENTS
6-63. General
Specific instructions on disassembly, cleaning,
inspection, repair, and assembly accompany the
This section covers the overhaul of the crank-
case breather tubes, fire extinguisher tube, in-
overhaul operations. Refer to the following table
jection pump electrical lead, and manfiold heater
(table 6-45) for applicable illustrations
and
fuel tubes, filter, and electrical components.
instructions for overhaul operations.
Injection Pump Electrical Lead, and Manifold Heater Fuel Tubes,
Filter, and Electrical Components
Repair
Assembly
Disassembly
Component
Cleaning
Inspection
C r a n k c a s e Breather
Tubes, Fire Ex-
tinguisher Tube,
and Pump Eletri-
cal Lead
M a n i f o l d Heater
Fuel Tubes, Fil-
ter, and Electri-
cal Components
Overhaul
of
Crankcase
Breather
bent, or dented condition. Check spray holes in
Tubes,
Fire
Extinguisher
Tube,
tube for obstructions and corrosion. Inspect tube
and
EIectrical
Lead
fittings (25 and 26) for cracks and for stripped
or
damaged
threads.
Pressure
check
tube
to
withstand
a
maximum
working
pressure
of
25
fire extinguisher tube, and electrical lead were
psi. Replace tube when cracked, badly bent, or
disassembled during engine disassembly,
when spray holes cannot be cleaned. Replace
fittings
when
cracked
or
when
threads
are
b. Cleaning, Inspection, and
Repair. R e f e r
damaged.
to paragraphs 6-2 through 6-4.
(3) Pump electrical lead. Inspect pump
(1) Breather
tubes
and
tee.
Inspect
electrical lead (51, fig. B-11) for cracked, frayed,
breather tubes (10, 11, 30, 36, and 43, fig. B-11)
and breather tube tee (16) for cracked, bent, or
or deteriorated
insulation. Inspect lead for
continuity with
a low voltage circuit tester.
dented
condition
and
for
warping
of
tube
Inspect
electrical
connectors
for
stripped
or
mounting surface. Replace when cracked or
damaged threads. Replace electrical lead when
badly dented or bent, or when mounting surfaces
insulation
is
cracked
or
broken,
connector
are badly warped. Straighten bent tubes to as
near original shape as possible. Remove minor
threads are damaged, or when low voltage tester
warpage of mounting surfaces by rubbing across
indicates
a
failure,
abrasive cloth held tightly on a surface plate or
c. Assembly. The crankcase breather tubes,
similar
flat
surface.
fire extinguisher tube, and electrical lead are
assembled
during
engine
assembly,
(2) Fire extinguisher tube. Inspect fire
extinguisher tube (24, fig. B-11) for cracked,
6-213
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