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Page Title:
Fuel Injection Lines and Fittings (cont). |
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 TM 10-3930-638-24&P
3-6. FUEL SYSTEM MAINTENANCE (cont)
a. Fuel Injection Lines and Fittings (cont).
REMARKS
ITEM
ACTION
LOCATION
STEP
CLEANING (cont)
WARNING
Wear safety glasses when drying parts with compressed air.
Failure to do so could cause serious injury to eyes and possible
blindness. If you hurt your eyes or if a foreign object is blown into
your eyes, seek medical attention immediately.
Flush with clean diesel fuel to remove all
All tubes, lines and fittings Flush
6
traces of cleaning solvent. Dry
thoroughly with compressed air
INSPECTION
Inspect
Replace if cracked, kinked, dented, split,
7
Tube assemblies (3, 4, 8
or if inlet fittings damaged
and 13)
Replace if cracked, damaged, or threads
All other parts
Inspect
8
worn
INSTALLATION/ REPLACEMENT
Install and
Tighten sealing nut (23) to 20 pounds
Fuel injection
a. Sealing nut (23) and
9
foot torque
tighten
tee (22)
pump
Position
On tee (22)
b. Leak-off tube (4)
Install and
c. Sleeve (21) and tube
nut (20)
tighten
Position
On injection pump and fuel injector
d. Injection tube (8)
Tighten hand-tight only
Fuel injector
Inlet fitting on injection
Connect and
10
tighten
tube (8)
Fuel injection
11
pump
CAUTION
Do not tighten connector bolts (15) unless copper washers (16)
are in place. If copper washers are not used, pump seizure could
result due to connector bolt going too deep into pump body.
a. Connector bolt (15)
Install and
Tighten to 35 pounds foot torque
tighten
and two new copper
washers (16)
b. Sealing nut (14) and
Install and
Tighten sealing nut (14) to 20 pounds
elbow (12)
foot torque
tighten
Install
To secure tubes (8)
c. Tube clamps (18), nuts
(19) and screws (17)
d. Fuel inlet line (13)
Position
On fuel filter and injection pump
e. Tube nut (11)
Install and
To secure line (13)
tighten
3-74
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