DMS-R-IM
Preventive Maintenance
April 7, 2021
Digital Modular System - Rinse
6-23
6.13
PM For CDA FR (Filter Regulator)
(Optional Item)
Item
PM Activity/Schedule
CDA FR
Drain water out from filter regulator regularly.
W
(D–daily; W–weekly; M–monthly;, Q–quarterly; HY–half-yearly; Y–yearly; TBD–to be determine)
Figure 6-17: CDA FR unit
Step
Description
1
Before maintenance work being performed, disconnect
pneumatic
Clean Dry Air (CDA) supply to filter regulator unit. Depressurize unit
0 psig before removing guard and/or bowl.
2
Inspect the bowl weekly. If water accumulates, remove bowl to drain
the water.
3
Occasionally remove bowl and bowl guard, baffle, element, adapter,
valve spring and valve assembly, and clean valve assembly, body and
valve seat.
4
Clean the area after drained.
Vent Valve