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⑨
Battery
1) Check the color of the hydrometer attached to the
battery top to charge or replace the battery.
Green … Good
Black … Discharged too much
White … Checking required
2) Retighten any loose terminal. Apply grease or vaseline
to the terminals to retard rusting
(3) Every 250 hours
⑧
Sprinkler pipe, nozzle
1) Pipe
Remove the cap from both ends of each sprinkler pipe.
Operate the sprinkler pump to wash out dust from
inside the pipe.
2) Nozzle
• Remove the nozzles from the sprinkler pipes and separate the filter from each nozzle.
• Clean the filters. Use a needle or the like to clean nozzle hole. Refit the filters to the
nozzles.
• Fit the nozzles to the pipes so that the water is sprayed in the form of a hand fan in parallel
with the pipe.
NOTE: Clean the nozzle as necessary even before the next inspection time comes.
Cap
Filter
Hydrometer