4.4.4
Contamination Precautions
Maneuvers such as skidding are likely to contaminate the aircraft while spraying and should be avoided. Spillage
of ORANGE in loading areas should also be held to a minimum especially where asphalt or macadam may be splashed
because these paving materials deteriorate under continued exposure. ORANGE can best be flushed from the spray
system or wiped from contaminated aircraft using an organic solvent such as #2 diesel fuel oil. Final cleansing shall be
conducted by using normal aircraft cleaning procedures.
4.5
SUPPLEMENTARY OPERATIONAL AND MAINTENANCE INFORMATION
General operating and maintenance instruction are contained in Sections 3.0, 4.0 and 5.0 of this manual.
Supplementary information is provided here for herbicide application operations.
4.5.1
Nozzle Configuration
The herbicide nozzle kit when installed will consist of 56 each of brass nipples (P/N W33254)nozzles (P/N 8355-
1/4) w/orifice (P/N 2530) and Teflon diaphragms (P/N 6227-TEF).
CAUTION: Both Teflon and viton diaphragms must be used.
The kit shall be installed on the spray booms in the following order:
1.
Starting outboard after coating with thread compound, install brass nipples (P/N W3325-4) in each boom
opening excepting positions where pipe plugs are installed in the first holes inboard of the two boom clamps (P/N 3031)
and in the last five positions nearest the helicopter fuselage.
CAUTION:
Tighten each nipple securely with a short wrench of appropriate size.
DO NOT TORQUE HEAVILY
2. Install, by hand, nylon nozzles (P/N 8355-1/4) complete with tip, making sure that rotation is clockwise and
only until orifice is pointed downward. Use 2510 or 2560 tip as required for desired application according to table H or
29c
