The following safety precautions should be observed when operating the PDU. Failure to observe these safety
precautions may result in serious injury to personnel or damage to equipment.
a. Personnel handling solid or liquid pesticides shall use appropriate personal protective equipment consisting of
respirators, coveralls, rubber gloves, goggles, etc., as required by type of pesticide used and in accordance
with manufacturer's label directions. Observe all warnings on label. Handle pesticide in well-ventilated area.
b. Handle pesticide in a well-ventilated area only.
Gasoline vapor is highly flammable. Do not fill gas tank while engine is running. Refuel only in a well-
d. Do not run engine in an enclosed area.
e. Battery electrolyte is an acid, and is highly corrosive. Wear rubber gloves, face shield, and apron. Do not spill
on clothing, skin, or PDU.
Ear protection should be worn by ground personnel during ground operation of PDU.
g. Helicopter shall not exceed airspeed of 90 knots.
h. Helicopter shall approach PDU only after pesticide loading is completed and filler openings are secured.
Pull-apart connector in control cord must always be used and not be defeated by any means.
Do not operate pump when hydraulic reservoir is empty. Add approximately five quarts hydraulic fluid to
hydraulic reservoir to prevent pump seal damage.
During ground tests, do not exceed 30-minute operating time.
Check that gas, oil, hydraulic fluid, and battery electrolyte levels are at operating minimums prior to operation.
m. When not in use, key switch on side of engine must be OFF to prevent battery drain.