2-13. OPERATION IN HIGH HUMIDITY OR SALTWATER.
a. Before operating the water distributor in high humidity or saltwater areas, inspect it for rust.
b. After operating the water distributor, rinse the tank and the water system thoroughly with salt-free water.
2-14. OPERATION IN HIGH ALTITUDES.
a. Clean and service the air cleaner more often than specified (see Chapter 3, Section 1).
b. Refer to paragraph 1-20 for de-rating engines for high altitudes.
2-15. OPERATION WITH DIRTY OR MUDDY WATER.
If dirty or muddy water was used in spraying operations, the following steps must be taken:
a. Clean the foot valve and pump strainers.
b. Fill the tank with clean water to rinse out any sand or mud.