TM 10-4320-345-13
4-16.
DISTRIBUTION NOZZLE(I 1/2-INCH) REPAIR.
(13) Loosen packing nut (20) and pull stem (23) from body (26).
(14)
Remove packing nut (20) and packing gland (21) from body (26).
(15)
Remove stuffing box (24) from body (26).
(16)
Remove packing (22) from bottom of stuffing box (24).
(17)
Unscrew tube and adapter (25) from body (26)
b
Cleaning.
(1)
Wash all components with clean water and detergent.
(2)
Rinse components in clean water and dry with wiping rag.
c
Inspection.
(1)
Inspect body (26) for cracks and stripped or damaged threads.
(2)
Inspect handle (9) for cracks.
(3)
Inspect tube and adapter (25) for bends, cracks, and deformation.
(4)
Inspect stem (23) for scoring Check that stem is straight.
d.
Repair.
Replace damaged parts and all sealing components.
e.
Assembly.
Refer to figure 4-5.
(1)
Screw tube and adapter (25) into body (26).
(2)
Install packing (22) in stuffing box (24), then screw stuffing box down into body (26).
(3)
Push stem (23) in through body (26) and into stuffing box (24).
(4)
Place packing gland (21) and packing nut (20) over stem (23). Tighten packing gland onto
body (26)
(5)
Position disc (19) and washer (18) on holder (17). Screw disc nut (16) into holder (17).
(6)
Position assembled components (16 through 19) in body (26).
(7)
Position small disc (14) on disc holder (13) Screw disc guide (15) into disc holder.
(8)
Position assembled components (13, 14 and 15) in body (26).
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