VII. SERVICE AND MAINTENANCE

FILTERS CONTINUED

Suction Filter

Remove and install a new 10 Micron rated suction filter (fig. 7.24, item 3) at the end of the first 50 hours of use; subsequently, replace the filter every 250 hours, or once a year, whichever comes first.

Charge Pressure Filter

Remove and install a new 4 Micron rated charge pressure filter (fig. 7.24, item 2) at the end of the first 50 hours of use; subsequently, replace the filter every 250 hours, or once a year, whichever comes first.

Return Filter

Remove and install a new 10 Micron rated return filter (fig. 7.24, item 1) at the end of the first 50 hours of use; subsequently, replace the filter every 250 hours, or once a year, whichever comes first.