TM 55-1520-240-23-1
1-51.1
GRAVITY REFUELING
1-51.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Refueling Vehicle with D1 Nozzel, Parked at Least 10
Feet From Helicopter Rotor Blades, and Grounded
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
Fuel JP-4 or JP-5 (E182) or JP-8 (E182.1) or Jet
A/A-1 (E182.2) (As Required)
Cloth, Cleaning (E120)
Gloves (E184.1)
Goggles (E473)
Personnel Required:
Petroleum Supply Specialist
CH-47 Helicopter Repairer
Equipment Condition:
Helicopter Parked on Level Ground at Least 50 Feet
From Hangar or Structure (Task 1-25)
Battery Connected (Task 1-39)
Electrical Power Off
Helicopter Grounded (Task 1-29)
Refueling Vehicle Grounded to Helicopter
General Safety Instructions:
WARNING
JP-4/JP-5/Jet A/A-1 is combustible
and toxic. It can irritate skin and
cause burns. Use only with adequate
ventilation, away from open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
WARNING
Proper electrical grounding is
essential to prevent damage to
equipment and injury to personnel.
WARNING
All regulations and instructions
for handling fuels shall be strictly
observed.
WARNING
Fuel Jet A-1 shall not be added to
tanks containing JP-4 unless it can
be assured that Jet A-1 contains
conductivity additive in the correct
proportions; otherwise, vapor ignition
could result. No additive is needed
when mixing Jet A-1 with JP-5/JP-8.
Change 3
1-201