TM 10-4610-241-24
TO 40W4-13-42
2-70. DIAPHRAGM VALVE REPAIR - continued.
b.
c.
d.
e.
Cleaning.
(1)
Wash all components with water and detergent.
(2)
Rinse components in clear water and dry with wiping rags.
Inspection.
Inspect all parts, threaded areas, and attaching parts for damage and corrosion.
Repair.
(1)
Replace packing and gaskets.
(2)
Replace defective components.
Assembly.
(1)
(2)
(3)
(4)
(5)
(6)
Install packing (23) and valve seat (22) in body (24). Use gland removal tool to tighten seat.
Install flat washer (20), disk retainer (19), disk (18), disk plate (17) and nut (16) on shaft (21).
Position shaft (21) and attached parts in body (24) on valve seat (22).
Position packing (14 and 15) on packing retainer (13).
Install packing retainer ( 13) over shaft (2 1) and into body (24). Use gland removal tool to tighten retainer.
Install gasket (12), washer (1 1) and gasket ( 10). (Washer and gasket are only on Models WPES- 10,
WPES-20 and WPES-30).
(7)
Install spring (9), lower diaphragm plate (8), diaphragm (7) and upper diaphragm plate (6) on shaft (21).
(Spring is only on Models WPES-10, WPES-20 and WPES-30).
(8)
Install nut (5) on shaft (21), holding shaft with screwdriver to keep it from turning.
(9)
Aline bolt holes in diaphragm (7) with bolt holes in body (24) and install cap (4), tag (3), four screws (2)
and nuts (1).
2-274 Change 1
