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Page Title:
FUEL FILTER HOSES |
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 214. FUEL FILTER HOSES
aged threads. Inspect fuel return tubes
for cracks and evidence of leaking
Note. The key letters shown below in paren-
around sleeves (A-2) and nuts (A-1).
these refer to figure 407 except where other-
Inspect nuts for stripped and damaged
wise indicated.
threads. Inspect tees (A) for stripped or
damaged threads. Replace tees as an
a. Cleaning and Inspection.
assembly with sleeves (A-2) and nuts
(A-1) when stripped.
(1) Cleaning. Clean fuel filter outlet-to-fuel
injection pump hose (BB), fuel injection
N o t e . When fuel return tubes (D, E,
pump overflow and fuel return-to-fuel
and AH) are damaged and require re-
filter hose (CC), fuel supply pump-to-
placement, tees (A) must also be re-
fuel filter hose (VV), and fuel injection
placed. The tees are supplied with
pump oil inlet hose (AM) (par. 152 e).
sleeves (A-2) and nuts (A-1) which are
used with the fuel return tubes.
(2) Inspection. Inspect hoses (BB, CC, VV,
b . Repair. The only repairs recommended
and AM) for cracks, damaged connector
threads; and deterioration. Replace all
for the fuel injection tube assemblies (G, H,
h o s e s when deteriorated and when
J, K, AS, and AT) are minor repairs to coupling
threads are stripped or show evidence
nut threads and minor straightening of tubes.
of leaking.
Replace tube assemblies damaged beyond minor
repairs. Replace tube tees (A) and fuel return
tubes (D, E, and AR) when damaged. The four
b . Repair. Repair minor thread damage on
fuel return tubes (D) are 4.380-inches long and
connector ends of fuel filter outlet-to-fuel in-
jection pump hose (BB), fuel injection pump
the fuel return tube (E) is 4.880-inches long.
overflow and fuel return-to- fuel filter hose
Cut tubes from stock to length and install
sleeves (A-2) and nuts (A-1), which are part
(CC), fuel supply pump-to-fuel filter hose (VV),
and fuel injection pump oil inlet hose (AM). Re-
of tee, as the return tubes are installed on
place hoses when threads are damaged beyond
engine.
minor repair.
216. FUEL INJECTION PUMP ATTACHING
PARTS
TURN TUBES, TEES, AND CLAMPS
Note. The key letters shorn, below in paren-
Note. The key letters shown below in paren-
these refer to figure 407 except where other-
these refer to figure 407 except where other-
wise indicated.
wise indicated.
a. Cleaning and Inspection.
a. Cleaning and Inspection.
(1) Cleaning. Clean fuel injection pump
(1) Cleaning. Clean fuel injection tube as-
driven gear retaining plate (AG), fuel
semblies (G, H, J, K, AS, and AT) or
injection pump driven gear (AF), and
the fuel return tubes (D and E), and
fuel injection pump brackets (EE and
fuel return-to- fuel injection pump over-
RR) as directed in paragraph 152.
flow valve tube (AR) as directed in
(2) Inspection. Inspect fuel injection pump
high pressure type flushing device nor-
driven gear (AF) as directed in para-
mally used for this type of operation.
graph 152 e and brackets (EE and RR)
Be certain all obstructions are removed
as directed in paragraph 153 d . Check
from the tubes. Seal the tube ends,
threads in fuel injection pump driven
after flushing, to prevent the entrance
gear hub (AE) for good condition. Stud
of dirt.
(EE-2) in injection pump bracket must
be tight and in good condition.
(2) Inspection. Inspect fuel injection tube
Note. On early model injection pumps,
assemblies for cracks, dents, splits,
and evidence of leaking around coupling
check keyway in gear hub and on shaft
nuts. Inspect nuts for stripped or dam-
for damage. Check key for damage.
256
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