Table 6 (Continued)
Clean, repair, or replace if torn or clogged.
Water use for
Make certain water for bearing lubrication
and pump priming are from a safe supply
and that cooling water for engines and
Air intakes on
Screen air intake if necessary; clean and
replace air filters; blow down air storage
tanks to remove accumulated oil.
Bored wells: casing
If water is turbid, the screen is defective;
remove and replace.
Dug wells: silt
Clean as necessary; repair cracked walls;
increase capacity if necessary by driving
horizontal collector pipes.
Driven well: decrease
in water yield; screen
Clean as necessary; add new gravel as
silt clogging of screen
required to keep the level at proper
and gravel pack; gravel
(1) M = Monthly; Q = Quarterly; SA = Semiannually; V = Variable,
as conditions may indicate.
(2) The frequencies shown are suggested frequencies that may
be modified by local command, as individual installation conditions warrant.