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TM 5-4930-237-10
Section III. OPERATION UNDER USUAL CONDITIONS
WARNING
Aviation fuel is highly flammable. No smoking or open flames are permitted
during fueling operations or near refueling areas. Failure to comply can result
in injury or death to personnel.
Proper eye protection must be worn. Failure to comply can result in loSS of
eyesight.
Ensure tanker grounding rod is installed and tanker is grounded prior to as-
sembling HTARS eystem.
Failure to comply can result in injury or death
to personnel.
NOTE
The following procedures are for operation of four refueling hoses. If fewer
lines are required, the quantity of parts must be adjusted.
2-4. Connection of System Components. (See Figure 2-1.)
(1) To install the grounding rod (55) use the striker assembly (56) to drive the grounding rod (55)
into the ground approximately 10 feet back from the refueling nozzle.
Table 2-2.
Required Depths for Ground Rods.
NOTE
In cases where the conductivity of the soil is questionable, chemicals can be
used to condition the soil and raise the conductivity. Refer to FM 10-68,
Chapter 7, Section III, for specific procedures and chemicals required.
Type of soil
Depth of Ground Rod
Course ground, cohesionless sands, and gravels.
6 feet
Inorganic clay, claying gravels, gravel-sand-clay,
claying sands, sandy clay, gravelly clay, and
silty clay,
4 feet
Silty gravel, gravel-sand-silt, silty sand,
sand, silt, peat, muck, and swamp soil.
3 feet
(2)
Ensure that the grounding rod (55) is driven into the ground at least
Table 2-2.
(3)
Move the refueling nozzle and hose assembly back to the point where
can be hung on the grounding rod (55).
(4) Hang the refueling nozzle on the hanger assembly
(5) Loop the last 10 feet of hose back over itself.
the hanger assembly (57).
3 feet, as shown in
the refueling nozzle
(57).
No portion of the hose should extend past
2-12 Change 1
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