3-48. CONTROL VALVE REPAIR (MODELS WPES-10, WPES-20 AND WPES-30).
This task consists of:
General Mechanics Tool Kit (Appendix 8, Section III, Item 4)
Torque Wrench (Appendix B, Section 111, Item 3)
Gland Removal Tool (Appendix F)
Detergent (Appendix C, Section II, Item 5)
Gaskets and Packing (TM 10-4610-241-24P)
Multimedia Filter Control Valve removed (Paragraph 2-69).
Control valve can be repaired in place.
Remove four screws (l), washers (2) and cartridge cap (3).
Remove cartridge assembly (6 thru 19) from control assembly (20) as a unit.
Using gland removal tool as illustrated, remove valve seat (4) and gasket (5).
Remove packing (6) from bottom of diaphragm housing.
It will be necessary to hold shaft ( 19) with a screwdriver, in the screwdriver slot at top of
shaft, to loosen nuts (7 and 13).
Remove nut (7), lockwasher (8), washer (9) diaphragm (10) and diaphragm keeper (11) from diaphragm
housing ( 12).
Remove diaphragm housing (12) from shaft (18).
There are six cartridges in the multimedia filter control valve. All are disassembled
the same. One is shown.
3-272.6 Change 1