Service and Maintenance: Strainer Maintenance Procedure 67
SERVICE AND MAINTENANCE
STRAINER MAINTENANCE PROCEDURE
The strainer must be cleaned and inspected periodically or when system performance degrades. Refer to the
following procedure to disassemble and maintain the strainer to ensure that the AccuFlow system is operating
properly.
1. Refer to the Discharging the AccuFlow™ System and ensure that all NH
3
has evaporated and vapors have been
exhausted before proceeding.
2. Remove the strainer cap and remove the ceramic magnets, teflon washer and strainer screen (not shown).
FIGURE 4. Y-Strainer Components
3. Clean the ceramic magnets to remove excess grit or debris.
4. Clean and inspect the teflon gasket and strainer screen and replace as necessary.
5. Replace strainer screen and ceramic magnets into strainer body.
6. Place the teflon gasket onto the strainer cap.
7. Thread the strainer cap into the strainer body.
IMPORTANT: Avoid strainer damage. Use care to align strainer in housing and turn strainer cap all the way by hand. Do
not force with pipe wrench or strainer screen can be crushed.
8. Tighten the cap using a pipe wrench to secure the strainer assembly before operating the AccuFlow system.
DANGER
Anhydrous ammonia can cause severe burning,
blindness, or death. Refer to Discharging the
AccuFlow™ System section on page 5 or page 61
and follow the procedure for bleeding the
AccuFlow system before beginning maintenance.
Strainer
Body
Ceramic
Magnets
Teflon
Gasket
Strainer
Cap
Strainer Plug or
Bleeder/
Hydrostat
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