TM 55-1520-228-BD
EXTERNAL STORES
Prior to any helicopter maintenance functions that require external stores be
removed, JETTISON cartridge shall be removed. To prevent injury to personnel
and damage to equipment, remove jettison cartridges from stores ejection device
prior to placing helicopter in a hangar.
All ground safety pins must be removed before flight.
Failure to do so will prevent
emergency jettison of stores.
FIRE EXTINGUISHER
Exposure to high concentrations of monobromotrifluoromethane (CF
3 BR) extinguishing
agent or decomposition products should be avoided.
The liquid should not be allowed
to come into contact with the skin, as it may cause frost bite or low temperature
burns.
FUELING AND FUEL REPAIRS
When refueling helicopter,
the refueling vehicle must be parked a minimum of 20 feet
from the helicopter. Before starting the fueling operation, always insert fueling
nozzle grounding cable of fuel truck into GROUND HERE receptacle.
Refer to FM
10-68. When defueling,
turn off all electrical switches and disconnect external
power from the helicopter.
The helicopter must be electrically grounded prior to
defueling.
Fuel line and tank repairs often involve handling of highly flammable material.
Mishandling can result in serious injury or death.
GROUNDING HELICOPTER
The helicopter should be electrically grounded when parked to dissipate static
electricity.
Turn off all power switches before making electrical connections or
disconnections.
HIGH PRESSURE
Extremely high pressure can occur during and after operation of certain equipment.
If this pressure is not relieved before working on this equipment, serious injury or
death may occur.
Be sure to open all drains and vents before beginning disassembly.
HYDRAULIC FLUID
Prolonged contact with liquid or mist can irritate eyes and skin. Wear rubber
gloves when handling liquid. After contact with skin, inmmediately wash contacted
area with soap and water. If liquid contacts eyes,
flush immediately with clear
water. If liquid is swallowed, do not induce vomiting, get immediate medical atten-
tion. If prolonged exposure with mist is likely, wear an appropriate respirator.
When fluid is decomposed by heating, toxic gases are released.
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