TM 5-3740-218-13&P
Section III. OPERATION UNDER USUAL CONDITIONS
Each PDU comes in three crates. Two of the crates, one containing the spray booms, the other containing the
subassemblies, remote control, sling, and spare parts, should be reserved for storing and transporting components not in
use. The PDU will normally have been unpacked by unit support personnel and will come to operations on its dolly. If
you are uncrating the PDU, observe the following:
a. Save all cushioning material.
b. When uncrating spray boom and struts, separate left and right LV spray boom parts by using code system
stamped on parts.
CAUTION
Spray nozzle and rotary atomizers are delicate. Handle parts carefully to avoid damaging equipment.
c. Uncrate spray nozzle and rotary atomizers carefully.
d. Inspect all components for damage using table 2-4. Check for missing parts using Appendix C, Components of
End Item and Basic Issue Items Lists.
2-9. PREPARATION FOR USE
Assemble the PDU for low volume (LV) system, ultra-low volume (ULV) system, or dry (SD) system operation in
accordance with the following paragraphs.
a. Perform all before (B) PMCS from table 2-4 to ensure all fluid levels are up and equipment is in ready status
before operation of PDU. Performing all (B) PMCS represents pre-start instructions.
b. Ensure engine is OFF and tail fin is installed.
c. Open petcock (1, figure 2-4) on fuel strainer (2).
d. Prep and install battery.
(1) Remove battery cover (1, figure 2-5) by removing two nuts (2) and two washers (3).
(2) Disconnect two battery cables (4) from battery (5) by removing two locknuts (6).
(3) Remove four jam nuts (7), two flat washers (8), and two insulator washers (9) from two holddown bolts (10).
