14 Service and Maintenance continued
High Capacity Inlet Filter Replacement
The 4000TOCe Sensor includes a high capacity filter (shown below) containing a filter
element that should be replaced (p/n 58 091 551, package of 2) every 6 months or so-
oner, depending on water quality conditions. Detailed instructions to replace this filter are
included in the replacement package.
TO 4000TOCe
TO 4000TOCe
REPLACING THE FILTER ELEMENT FOR THE HIGH CAPACITY INLET FILTER
PLACE 3/4" WRENCHES HERE
FILTER HOUSING
FILTER
(B)
UNSCREW INLET NUT
INLET SIDE OF HOUSING
COMPRESSION NUT (A)
OPEN
END
SPRING
15