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 (5) Add oil as required to bring oil up to
c. Intake Manifold Flame Heater Operation.
level observed on gage ((2) above),
Place hand on the intake manifold elbow. Turn
on flame heater fuel pump. When heater is
carefully measuring amount added.
operating, heat will be felt at the intake mani-
(6) Maximum allowable oil consumption
fold elbow. When no heat is felt, check wiring
at 2600 rpm, with OE-30 (MIL-L-2104)
harness, heater spark plug, ignition unit, and
is 1.4 pounds (approximately 0.75 quarts
lead for faulty connections. Inspect flame heater
per hour).
fuel pump and manifold heater nozzle and holder
assembly for proper operation. Repair faulty
(7) Install oil level gage and screw in tight.
connections, or replace flame heater fuel pump
or heater nozzle.
e. Lubricating Oil Temperature. Lubricating
oil temperature outlets are provided in the
Caution: Do not operate heater unless engine
is cranking or idling.
main oil gallery line on right side of engine
for the installation of thermocouples.
d. Oil Consumption Check.
f . Coolant Temperature. Engine coolant
temperature can be taken by removing pipe
(1) Operate engine and inspect for leaks.
plug from intake manifold and installing ther-
mocouple.
(2) Idle engine for 5 minutes to allow en-
g. Induction Air Temperature. Induction air
gine to cool. Shut off engine. Allow
temperature can be taken by placing a thermo-
engine to set approximately one minute.
couple in front of the turbosupercharger air
Check and note oil level.
inlet opening.
Note. Do not screw gage in for oil
level check.
h . Manifold Pressure. Manifold pressure
can be taken by removing flame heater spark
plug and installing a suitable adapter and pres-
(3) Operate engine for 5 hours at 2600
sure gage.
rpm and maximum horsepower.
i. Preparation of Engine for Storage. When
(4) Idle engine for 5 minutes to allow en-
engine assembly is to be stored or shipped,
gine to cool. Shut off engine. Allow
engine should be processed in accordance with
engine to set approximately one minute
instructions provided in Specification MIL-E
to allow oil to settle. Check oil level
10062.
((2) above).
331
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