2-15. Replace Impact Sprinkler. (FIGURE 2-10)
This task covers:
Tool kit, general mechanic's,
System flushed with water
Electrical power OFF and tagged
to the unit
Screen assembly removed (paragraph
Pipe thread lubricant, teflon,
Item 2, Appendix C
Impact sprinkler P/N 3500042-003
Warning tags, Item 10, Appendix C
Toxic and flammable vapors are generated in the , sewage system. Provide
ventilation from outside source before removing treatment tank covers. Avoid
open flames and prolonged breathing of fumes.
The sprinkler head is located inside the treatment tank (1, FIGURE 2-10).
Remove the treatment tank cover and gasket (paragraph 2-11).
Disconnect the sprinkler coupling (2). Remove the sprinkler (1).